Cloud Computing Calculators
AWS, Azure, Google Cloud and OCI sizing and cost, virtualization, Kubernetes platforms, FinOps, CDN and edge.
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AWS Compute
EC2 Instance Cost CalculatorTurn an EC2 on-demand hourly rate and a running schedule into hourly, daily, monthly and annual fleet cost.EC2 Monthly Cost CalculatorBuild a full monthly EC2 bill from compute hours, attached EBS storage and data transfer out, and see what dominates.Reserved Instance Savings CalculatorCompare an EC2 Reserved Instance against on-demand: effective hourly rate, discount, term savings and upfront break-even.Savings Plan CalculatorSize an AWS Savings Plan hourly commitment, then see covered spend, on-demand overflow, waste and net monthly saving.Spot Instance Savings CalculatorPrice EC2 Spot capacity against on-demand and discount the saving by the work lost to interruptions.EC2 CPU Utilization CalculatorConvert CloudWatch CPU averages into busy vCPUs, idle headroom and the monthly cost of the capacity you never use.EC2 Memory Utilization CalculatorWork out real memory utilisation after OS overhead, the GB per vCPU ratio, and the memory a target utilisation needs.EC2 Instance Right-Sizing CalculatorPick the smallest instance size that still clears your CPU and memory peaks with headroom, and price the change.EC2 Auto Scaling CalculatorCompute the desired Auto Scaling capacity from a target-tracking policy and see how long a full scale-out takes.EC2 Instance Density CalculatorFind how many containers or VMs pack onto one EC2 instance after reservations, and which dimension binds first.EC2 vCPU Requirement CalculatorSize vCPUs from request rate and CPU time per request, including peak factor, target utilisation and spare instances.EC2 Network Throughput CalculatorModel an EC2 transfer across burst and baseline network bandwidth, with protocol overhead, to get a real transfer time.EC2 EBS Bandwidth CalculatorFind whether volume throughput, volume IOPS or the instance EBS-optimised limit caps your storage performance.EC2 Boot Time CalculatorAdd up provisioning, snapshot hydration, OS boot, user-data and warm-up to find when an EC2 instance truly serves traffic.EC2 Storage Requirement CalculatorSize EBS volumes per instance from OS, application and retained data, add growth headroom, and price the fleet.EC2 Elastic IP CalculatorCost public IPv4 addresses now that every one bills hourly, isolate idle waste, and compare against a NAT gateway.EC2 AMI Storage CalculatorCost AMI generations as incremental EBS snapshots across regions and see how much block-level dedupe saves.EC2 Placement Group CalculatorCheck a fleet against cluster, spread and partition placement group limits and see the blast radius each strategy gives.EC2 Fleet Capacity CalculatorSplit an EC2 Fleet target capacity into on-demand base and Spot instances, then price the blended result.EC2 Health Score CalculatorScore an EC2 instance out of 100 on utilisation balance, disk queueing, status checks, patch age and backup coverage.
AWS Storage
S3 Storage Cost CalculatorPrice an S3 bucket across the 50 TB and 500 TB volume tiers and see the blended rate you actually pay per GB.S3 PUT Request Cost CalculatorCost S3 upload requests including the extra PUTs that multipart uploads generate for every part of every object.S3 GET Request Cost CalculatorWork out S3 GET request and egress cost after a CDN absorbs most reads, and see which of the two dominates.S3 Lifecycle Savings CalculatorNet the storage saved by a lifecycle transition against the per-1,000-object transition charge and find the break-even.S3 Glacier Cost CalculatorCost a Glacier archive with per-object metadata overhead, retrieval fees and the early-deletion minimum duration.S3 Intelligent Tiering CalculatorCompare Intelligent-Tiering against all-Standard, including the per-1,000-object monitoring charge and the 128 KB rule.EBS Volume Cost CalculatorSplit a gp3 volume bill into capacity, IOPS above the free 3,000 and throughput above the free 125 MB/s.EBS IOPS CalculatorCheck whether a volume can actually deliver the IOPS you want given the 500:1 IOPS-per-GiB ratio and the type ceiling.EBS Throughput CalculatorSize an st1 or sc1 volume from its MB/s per TiB baseline and see whether your workload lives inside it or bursts.EFS Storage CalculatorCost an EFS file system across Standard, Infrequent Access and Archive tiers including the per-GB read charge.EFS Performance CalculatorModel EFS bursting credits: baseline throughput, burst ceiling and how long the credit bucket lasts under load.FSx Storage CalculatorCost an FSx file system from SSD capacity, throughput capacity, backups, Multi-AZ and deduplication savings.Backup Storage CalculatorSize a grandfather-father-son backup footprint from change rate and retention, split across warm and cold storage.Snapshot Cost CalculatorPrice EBS snapshots as the incremental blocks they really are, and compare that with full-size Snapshot Archive copies.Snapshot Growth CalculatorForecast how an incremental snapshot chain grows as the protected volume itself grows month over month.Data Transfer Cost CalculatorPrice AWS egress across the tiered internet schedule plus inter-AZ and cross-region traffic in one bill.Cross Region Replication CalculatorCost S3 Cross-Region Replication on both sides: inter-region transfer, destination requests, storage and optional RTC.Cloud Storage Growth Forecast CalculatorCompound a storage footprint forward month by month and cost it at a blended hot and cold tier rate.Archive Cost CalculatorCompare two archive tiers over a full retention period including per-object overhead and restore charges.Storage Optimization Score CalculatorScore AWS storage hygiene across six waste levers and estimate the monthly spend each one is quietly consuming.
AWS Networking
VPC CIDR CalculatorSize an Amazon VPC CIDR block, see its usable range, how many subnets it yields and what the five AWS reservations cost you.AWS Subnet CalculatorWork out usable IPs per AWS subnet after the five reserved addresses, and check a multi-AZ, multi-tier layout fits the VPC.NAT Gateway Cost CalculatorEstimate NAT Gateway hourly and per-GB charges, the saving from gateway VPC endpoints, and the 55,000-connection limit.Internet Gateway Capacity CalculatorCheck whether your instance fleet can carry peak internet egress through an internet gateway, including the single-flow limit.Transit Gateway Cost CalculatorModel Transit Gateway attachment-hour and per-GB charges, and compare against the peering mesh it replaces.Route Table CalculatorCount the route tables, routes and subnet associations a VPC design needs and check them against the AWS route quota.Security Group Rule CalculatorCount the security group rules a design needs from sources and port combinations, and check the 60-rule and per-ENI budgets.NACL Rule CalculatorSize a stateless network ACL: rules per direction including ephemeral return traffic, rule numbering and the 20-rule quota.Elastic Load Balancer Cost CalculatorSplit an Elastic Load Balancing bill into fixed hourly charges and capacity-unit charges, with every rate editable.Application Load Balancer Capacity CalculatorCompute all four ALB LCU dimensions, see which one you are billed on, and price the resulting capacity-unit charge.Network Load Balancer Capacity CalculatorWork out NLCU consumption for TCP, UDP or TLS listeners, spot the billing dimension and price the monthly charge.Gateway Load Balancer CalculatorSize and price a Gateway Load Balancer inspection path, including endpoint hours, per-GB charges and GLCU consumption.VPC Peering CalculatorCount the peering connections, route entries and cross-region transfer cost of a VPC mesh, and test the per-VPC quota.PrivateLink Cost CalculatorPrice AWS PrivateLink interface endpoints across Availability Zones, including the per-ENI hours and per-GB processing.VPN Throughput CalculatorWork out how many Site-to-Site VPN tunnels and ECMP connections your throughput target needs, and what they cost.Direct Connect Bandwidth CalculatorSize Direct Connect ports with 50% redundancy headroom and price port hours plus data transfer out.CloudFront Cost CalculatorEstimate CloudFront delivery, request and origin fetch charges, and the origin egress your cache hit ratio avoids.Route 53 Query Cost CalculatorPrice Route 53 hosted zones, tiered DNS queries and health checks, allowing for alias records that answer free.DNS Failover CalculatorEstimate Route 53 failover time from health check interval, failure threshold, record TTL and resolver propagation.AWS Network Health Score CalculatorScore an AWS network design out of 100 on resilience, quota headroom and security, and see which area is the weakest.
AWS Databases
RDS Cost CalculatorEstimate a monthly Amazon RDS bill from instance hours, Multi-AZ, gp3 storage and backup storage beyond the free allowance.RDS Storage CalculatorSize an RDS volume from current data, growth rate and free-space headroom, and see the monthly storage cost.RDS IOPS CalculatorWork out the IOPS and throughput an RDS volume needs, what is billable above the gp3 baseline, and whether the IOPS-to-GB ratio is legal.Aurora Cost CalculatorCompare Aurora Standard against Aurora I/O-Optimized on instance, storage and I/O charges, and find the break-even I/O volume.Aurora Storage CalculatorProject the Aurora cluster volume in billed 10 GB increments, its I/O charges, and how much of the 128 TiB ceiling you use.Aurora Replica CalculatorSize Aurora read replicas for a target query rate and utilisation, check the 15-replica limit and price the reader fleet.DynamoDB Capacity CalculatorConvert a DynamoDB read and write workload into RCUs and WCUs, then compare provisioned capacity against on-demand pricing.DynamoDB Read Capacity CalculatorCalculate RCUs for a read workload including burst headroom and autoscaling target, and price provisioned against on-demand.DynamoDB Write Capacity CalculatorCalculate WCUs for a write workload including global secondary index amplification, transactions and on-demand comparison.ElastiCache Memory CalculatorSize ElastiCache nodes from dataset size plus key overhead, fragmentation, replicas and reserved-memory headroom.DocumentDB Cost CalculatorEstimate an Amazon DocumentDB bill across instance hours, cluster storage, I/O requests and backup beyond the free allowance.Neptune Cluster CalculatorSize an Amazon Neptune cluster from graph size and query rate, then price instances, cluster storage and graph I/O.Redshift Storage CalculatorProject Redshift storage after columnar compression and growth, and compare RA3 managed storage against DC2 local capacity.Redshift Cluster Cost CalculatorPrice a Redshift cluster across node hours, managed storage, concurrency scaling above the free credits and Spectrum scans.Glue Job Cost CalculatorPrice AWS Glue ETL jobs per DPU-hour with the 1-minute minimum billing, worker types, retries and monthly run count.Athena Query Cost CalculatorModel Athena cost per TB scanned and see how partition pruning, column projection and Parquet compression cut the bill.EMR Cluster Cost CalculatorPrice an EMR cluster across EC2 instance hours, the per-instance EMR surcharge, Spot task nodes and prorated EBS volumes.Database Backup CalculatorSize backup storage from database size, retention window, daily change rate and manual snapshots, and price the billable excess.Database Growth CalculatorProject compound plus flat database growth, find the doubling time and the month the allocated storage runs out.Database Health Score CalculatorScore a managed database out of 100 from CPU, cache hit ratio, replica lag, connections, IOPS and storage headroom.
AWS Serverless
Lambda Cost CalculatorPrice an AWS Lambda function from memory, duration and invocations in GB-seconds, including the free tier and Arm savings.Lambda Duration CalculatorBlend warm and cold invocations into an average billed duration, GB-seconds and timeout headroom for a Lambda function.Lambda Memory CalculatorModel the Lambda memory-versus-speed trade-off: predict duration at a new memory size and see whether the cost moves up or down.Lambda Concurrency CalculatorApply Little's law to size Lambda concurrency against the 1000-per-region account limit, with reserved and provisioned capacity.Lambda Cold Start EstimatorEstimate Lambda cold-start latency from runtime, package size, VPC attachment and init code, and see which factor dominates.API Gateway Cost CalculatorCompare REST, HTTP and WebSocket API Gateway costs including data transfer, caching and the saving from moving to HTTP APIs.AWS API Gateway Throughput CalculatorCheck peak API Gateway traffic against the account RPS quota and burst allowance, and see requests in flight and spare headroom.Step Functions Cost CalculatorCompare Step Functions Standard state-transition pricing against Express request plus GB-second pricing for the same workflow.SNS Cost CalculatorPrice SNS fan-out from publish volume, payload size and delivery protocol, with 64 KB request chunking and the free tier.SQS Cost CalculatorPrice an SQS queue from message volume, payload size and batch size, and quantify how much batching up to 10 messages saves.EventBridge Cost CalculatorPrice EventBridge custom events, Scheduler invocations, Pipes requests and archives, with 64 KB event chunk billing.SES Cost CalculatorPrice Amazon SES outbound and inbound mail with attachment data, dedicated IPs, and a bounce and complaint rate check.Kinesis Throughput CalculatorSize Kinesis Data Streams shards against the 1 MB/s and 1000 record/s ingest limits and the 2 MB/s per-shard read limit.Firehose Buffer CalculatorWork out which Firehose buffer hint fires first, the resulting delivery latency and object size, and the 5 KB record rounding cost.AppSync Request CalculatorPrice AppSync GraphQL operations, real-time subscription updates, connection minutes and caching from your client behaviour.CloudWatch Log Cost CalculatorSplit a CloudWatch Logs bill into ingestion, archived storage and Logs Insights data scanned, and compare log classes.CloudWatch Metrics CalculatorCount unique CloudWatch custom metrics from resources and dimensions, then price metrics, alarms, dashboards and API calls.CloudTrail Storage CalculatorSize CloudTrail data event charges, compressed S3 storage across a retention window, extra trail copies and Lake ingestion.X-Ray Trace Cost CalculatorPrice AWS X-Ray from request volume and sampling rate, and find the sampling percentage that fits a tracing budget.Serverless Health Score CalculatorScore a serverless workload out of 100 on errors, throttles, latency margin, cold starts, memory fit and observability.
Microsoft Azure
Azure VM Cost CalculatorPrice an Azure VM fleet across 730 monthly hours with reserved-instance terms, Windows licensing and Azure Hybrid Benefit.Azure VM Right-Sizing CalculatorSize an Azure VM down to the vCPU and memory it actually needs from observed peaks plus a headroom target.Azure Managed Disk CalculatorCost Azure managed disks including P-series size snapping, snapshot storage and the GiB you pay for but never use.Azure Blob Storage CalculatorModel Blob Storage across hot, cool and archive tiers with operation charges and archive rehydration costs.Azure Files CalculatorSize an Azure file share and derive premium baseline IOPS, burst IOPS and throughput from the provisioned GiB.Azure Disk IOPS CalculatorFind the real IOPS and throughput of an Azure disk layout after P-series limits, striping and the VM cap are applied.Azure SQL Cost CalculatorCompare Azure SQL Database DTU and vCore purchasing models including Business Critical replicas and backup storage.Azure Cosmos DB RU CalculatorConvert reads, writes and queries into Cosmos DB request units and price provisioned, autoscale and multi-region throughput.Azure App Service Cost CalculatorCost an App Service plan from its instance rate, autoscale range and average load, with reserved-instance discounts.Azure Functions Cost CalculatorPrice the Functions consumption plan in GB-seconds and executions, including the monthly free grants.Azure Kubernetes Service (AKS) CalculatorSize AKS node pools from pod requests, applying Azure's CPU and memory reservations and the pods-per-node ceiling.Azure Virtual Network PlannerPlan an Azure VNet address space with the five reserved addresses per subnet and check the design actually fits.Azure Load Balancer CalculatorCost a Standard Load Balancer from its rule count, processed data and the public IP addresses attached to it.Azure Application Gateway CalculatorWork out Application Gateway v2 capacity units from connections and throughput, then price the fixed and CU charges.Azure VPN Gateway CalculatorCheck a VPN Gateway SKU against your throughput and tunnel needs, then cost the gateway and its egress data.Azure ExpressRoute CalculatorCompare metered and unlimited ExpressRoute circuits, find the break-even traffic volume and add the gateway cost.Azure Firewall CalculatorSplit Azure Firewall cost into its fixed hourly deployment fee and the per-GB data processing charge.Azure Monitor Cost CalculatorPrice Log Analytics ingestion across pay-as-you-go and commitment tiers, with basic logs and extended retention.Azure Backup CalculatorEstimate Azure Backup cost from protected-instance fees plus the vault storage a grandfather-father-son schedule keeps.Azure Site Recovery CalculatorCost Azure Site Recovery protection and check whether your replication bandwidth can keep up with daily churn.Azure Availability Set PlannerPlan availability set fault and update domains so a rack failure or maintenance wave still leaves enough capacity.Azure Availability Zone PlannerSize a zone-redundant deployment for N+1 zone loss and compare the composite SLA against a single-zone design.Azure Scale Set CalculatorModel a Virtual Machine Scale Set with a daily peak window and a Spot mix, and compare it to a fixed fleet.Azure Storage Growth CalculatorProject Azure storage capacity and cost forward at a compound growth rate with a lifecycle tiering policy applied.Azure Network Cost CalculatorAdd up Azure data transfer charges across internet egress, inter-region traffic, VNet peering and NAT Gateway.Azure DNS CalculatorCost Azure DNS public and private zones with the 25-zone price break and volume-banded query charges.Azure CDN Cost CalculatorPrice Azure CDN or Front Door egress and requests, and value the origin bandwidth your cache hit ratio saves.Azure Advisor Savings CalculatorTurn Azure Advisor cost recommendations into a realised monthly saving after an honest adoption rate.Azure Reserved VM Savings CalculatorTest whether a reserved VM instance pays off at your real utilisation, and find the break-even usage point.Azure Health Score CalculatorScore an Azure subscription across reliability, cost, security and operations, and see which pillar to fix first.
Google Cloud
Compute Engine Cost CalculatorPrice a Compute Engine fleet from custom vCPU and memory rates with sustained use, committed use and Spot discounts.Persistent Disk CalculatorSize a Persistent Disk and see the IOPS and throughput its capacity earns before the instance vCPU limit clips it.Cloud Storage Cost CalculatorCost a Cloud Storage bucket across Standard, Nearline, Coldline and Archive with retrieval, operations and early-delete fees.Cloud SQL Cost CalculatorPrice a Cloud SQL instance from per-vCPU and per-GB rates, then add high availability, read replicas and backups.Cloud Spanner Cost CalculatorSize a Spanner instance in nodes and processing units from read QPS, write QPS and storage, then price it.BigQuery Cost CalculatorCompare BigQuery on-demand per-TiB scanning against slot capacity pricing, with pruning and long-term storage.Bigtable Capacity CalculatorWork out how many Bigtable nodes your QPS, row size and stored data need, and what the cluster costs per month.Pub/Sub Cost CalculatorPrice Pub/Sub throughput per TiB including the 1,000-byte minimum message size and per-subscription delivery.Cloud Functions Cost CalculatorEstimate Cloud Functions cost from invocations, memory and duration with 100 ms rounding and the free tier applied.Cloud Run Cost CalculatorModel Cloud Run vCPU-second and GiB-second billing with concurrency, minimum instances and request-based pricing.Google Kubernetes Engine (GKE) CalculatorCompare GKE Autopilot per-pod billing with Standard node billing, including the cluster fee and the 110-pod ceiling.GCP VPC Network PlannerPlan GCP subnets and GKE secondary ranges, allowing for the four reserved addresses and the per-node pod CIDR.Cloud Load Balancer CalculatorPrice a Google Cloud load balancer from forwarding rules, data processed and egress, and size it against peak traffic.Cloud CDN CalculatorModel Cloud CDN cost and savings from a cache hit ratio, cache fill, lookup requests and invalidations.Cloud NAT CalculatorSize Cloud NAT ports and addresses from VM count and price gateway uptime plus per-GB data processing.Cloud Armor CalculatorPrice Cloud Armor policies, rules and request volume, and compare pay-as-you-go with a Managed Protection subscription.Filestore Capacity CalculatorSize a Filestore instance against its tier minimum and capacity step, and see the throughput and IOPS you get.Memorystore Capacity CalculatorSize Memorystore for Redis from your dataset plus fragmentation headroom, then price replicas and high availability.Cloud Monitoring Cost CalculatorEstimate Cloud Monitoring cost from time series, sampling period and sample size across the tiered per-MiB rates.GCP Logging Cost CalculatorCost Cloud Logging ingestion after exclusion filters and the free tier, plus retention beyond the default 30 days.Artifact Registry Storage CalculatorEstimate Artifact Registry storage from image size, retained versions and layer sharing, plus egress and scanning.Container Registry Migration CalculatorPlan a Container Registry to Artifact Registry move: copy time, dual-running cost and the change in monthly storage bill.Secret Manager Cost CalculatorPrice Secret Manager from active versions, replica locations and access operations, and see what version pruning saves.GCP IAM Policy Size CalculatorEstimate the byte size of a GCP allow policy against the size and principal limits before a binding is rejected.Cloud Scheduler Cost CalculatorPrice Cloud Scheduler jobs plus the downstream invocations they trigger, and check for overlapping cron runs.Dataflow Cost CalculatorPrice a Dataflow pipeline across worker vCPU, memory, shuffle data processed and Streaming Engine.Dataproc Cluster Cost CalculatorCost a Dataproc cluster including the per-vCPU premium, Spot secondary workers and disk, with idle time exposed.Vertex AI Cost CalculatorEstimate Vertex AI spend across generative token usage, custom training node-hours and always-on prediction endpoints.Cloud Build Cost CalculatorCost Cloud Build minutes by machine type after cache savings and the free tier, and check concurrency queueing.GCP Health Score CalculatorScore a Google Cloud estate on cost, reliability, security and operations, and see which pillar to fix first.
Oracle Cloud
OCI Compute Cost CalculatorPrice OCI flexible shapes from separate OCPU-hour and GB-hour meters, including Ampere A1 and the Always Free grant.OCI Block Volume CalculatorCost OCI block volumes by capacity plus VPUs per GB, and see the IOPS and throughput each performance level buys.OCI Object Storage CalculatorPrice OCI Object Storage across Standard and Infrequent Access with requests, the 31-day minimum and free 10 TB egress.OCI Archive Storage CalculatorPrice OCI Archive Storage with the 90-day minimum retention, restore fees and the saving against Standard.OCI VCN CIDR CalculatorCarve an OCI VCN into subnets and count usable hosts after the three addresses Oracle reserves in every subnet.OCI Load Balancer CalculatorPrice the OCI flexible load balancer from its base hour plus the bandwidth it bills between the minimum and maximum shape.OCI FastConnect CalculatorCost FastConnect ports, which bill per port-hour with no per-GB charge, and value the internet egress they displace.OCI VPN CalculatorSize OCI Site-to-Site VPN tunnels for a throughput target and price the egress, since the VPN service itself is free.OCI Autonomous Database CalculatorPrice Autonomous Database on ECPUs with auto-scaling to three times the base, storage and BYOL licensing.OCI MySQL HeatWave CalculatorSize MySQL HeatWave analytics nodes from compressed data volume and price the database, storage and cluster together.OCI Kubernetes Engine (OKE) CalculatorSize an OKE node pool against pod CPU, memory and the 110-pods-per-node ceiling, then price basic against enhanced clusters.OCI File Storage CalculatorPrice OCI File Storage including the snapshot capacity that daily change and retention quietly accumulate.OCI Monitoring CalculatorCount the datapoints your OCI resources emit and price ingestion and retrieval above the generous free allowances.OCI Logging Cost CalculatorPrice OCI Logging and Logging Analytics from daily volume, retention and the free 10 GB of monthly log storage.OCI IAM Policy CalculatorCount the IAM policy statements a compartment design implies, check the limits and price the review effort.OCI Resource Manager CalculatorQuantify the time Resource Manager saves over manual provisioning, including drift detection, and cost the difference.OCI Backup CalculatorSize incremental block volume backups from change rate and retention, and price cross-region copies and the RPO you get.OCI Disaster Recovery CalculatorCost an OCI standby region at pilot-light, warm or hot capacity and check the bandwidth your RPO actually needs.OCI Cost Optimization CalculatorStack the main OCI savings levers — idle resources, right-sizing, Ampere migration and commitments — into one number.OCI Health Score CalculatorScore an OCI tenancy across resilience, cost, security and operations, and see which pillar to fix first.
Virtualization & Private Cloud
VMware VM Density CalculatorWork out how many VMs an ESXi cluster really holds once CPU overcommit, host memory overhead and per-VM VMX overhead are applied.VMware vCPU Overcommit CalculatorCheck your vCPU to physical CPU ratio against workload-appropriate limits and read it against observed CPU ready time.VMware Memory Overcommit CalculatorMeasure ESXi memory overcommit and see which reclamation stage it triggers: page sharing, ballooning, compression or host swap.VMware Datastore Capacity CalculatorSize a VMFS or NFS datastore for VMDKs, swap files, snapshot growth and the free space vSphere needs to stay healthy.VMware Cluster Capacity CalculatorTotal up a vSphere cluster's usable CPU and memory after failover reservation and see how many average VMs it carries.vSAN Storage CalculatorConvert vSAN raw disk capacity into effective usable capacity after RAID overhead, slack space and dedupe or compression.vMotion Network CalculatorSize vMotion bandwidth and estimate live-migration time from VM memory, dirty-page rate and concurrent migration limits.VMware HA Capacity CalculatorCheck vSphere HA admission control: how much capacity a percentage or N+1 slot policy reserves and whether restarts actually fit.OpenStack Nova Capacity CalculatorSize Nova compute capacity using the cpu and ram allocation ratios, reserved host memory and a chosen flavor.OpenStack Cinder Storage CalculatorConvert Cinder volume demand into raw backend capacity including Ceph replication, snapshot deltas and a free-space reserve.OpenStack Neutron Network CalculatorPlan Neutron tenant networks: usable addresses per subnet, port counts, floating IP demand and VXLAN segment usage.OpenStack Swift Storage CalculatorSize a Swift object ring: raw capacity for the replica count, drive count, object count and partitions per drive.OpenStack Keystone Resource CalculatorEstimate Keystone identity load: users, role assignments, service catalog endpoints and token validations per second.OpenShift Node Capacity CalculatorTurn raw node CPU and memory into allocatable capacity after system-reserved, kube-reserved and the eviction threshold.OpenShift Pod Density CalculatorCompare the 110 default and 250 maximum pods per node against the 4-pods-per-vCPU guideline and your DaemonSet overhead.OpenShift Route Capacity CalculatorSize the OpenShift ingress router: routes and connections per router pod, TLS handshake rate and connection-limit utilisation.OpenShift Registry Storage CalculatorSize the internal image registry from image streams, tags retained, shared base layers and daily build churn.OpenShift Project Quota CalculatorTotal ResourceQuota requests and limits across projects and read the resulting cluster overcommit ratio.OpenShift Cluster Health CalculatorScore OpenShift cluster health from node readiness, pod failures, etcd fsync latency, API latency and degraded operators.OpenShift Upgrade Time CalculatorEstimate an OpenShift upgrade window from operator rollout, serial control-plane updates and worker drain and reboot waves.Hypervisor Consolidation CalculatorWork out how many hypervisor hosts replace a fleet of physical servers, and the capex and power that consolidation changes.Virtualization Ratio CalculatorMeasure the three ratios that describe a virtual estate: VMs per host, vCPU per core and allocated versus physical memory.Cluster Expansion CalculatorFind when a virtualization cluster hits its utilisation threshold and when to order hardware given procurement lead time.Host Failure Impact CalculatorQuantify a host failure: VMs affected, capacity lost, post-failure utilisation, restart window and the availability cost.Infrastructure Utilization CalculatorScore CPU, memory, storage and network utilisation together to find stranded capacity and the annual cost of the waste.
Multi-Cloud & FinOps
Multi-Cloud Cost Comparison CalculatorPrice the same workload on AWS, Azure and Google Cloud across compute, storage, egress and support to find the cheapest home.Cloud Migration Cost CalculatorCost a migration wave from the 6 Rs — rehost, replatform, refactor, repurchase, retire and retain — with dual-run overlap.Cloud ROI CalculatorTurn cloud benefits and costs into ROI, net present value at your discount rate and a payback period in months.Cloud TCO CalculatorCompare a fully loaded cloud bill against on-premises capex, power, cooling, rack space and staff on one monthly basis.Reserved vs On-Demand CalculatorFind the utilisation at which a reservation beats on-demand, including any up-front payment spread across the term.Cloud Carbon Footprint CalculatorEstimate the emissions of a cloud estate from vCPU hours, PUE and grid carbon intensity, and what a greener region saves.Data Egress Cost CalculatorPrice internet egress through the tiered per-GB bands, with CDN offload and cross-zone traffic counted separately.Cross-Cloud Replication CalculatorCost replicating a dataset between two clouds, counting the seed transfer, duplicated storage, requests and egress at both ends.Cloud Availability CalculatorCombine multi-region redundancy with a serial dependency chain to get the availability a user actually experiences.Cloud SLA CalculatorWork out the service credit an SLA breach earns and compare it against what the downtime actually cost the business.Cloud Disaster Recovery CalculatorTest whether a backup, pilot light, warm standby or active-active design actually meets your RTO and RPO, and what it costs.Cloud Backup Cost CalculatorSize a backup estate from change rate, deduplication and a daily-weekly-monthly retention scheme, then price hot and archive tiers.Cloud Compliance Cost CalculatorCost a compliance programme from control count, evidence automation, audit and pen-test fees and mandated log retention.Cloud Resource Utilization CalculatorBlend CPU, memory and storage utilisation into one figure, then size the fleet the observed peak actually needs.Cloud Waste CalculatorAdd up idle instances, unattached volumes, orphaned snapshots, over-provisioning, unused commitments and untagged spend.Idle Resource Cost CalculatorPrice instances sitting below a CPU threshold plus their attached disks and idle addresses, and what scheduling would save.FinOps Savings CalculatorModel the savings from commitment coverage, utilisation, right-sizing, storage tiering and scheduling as one ranked plan.Cloud Budget Forecast CalculatorProject the rest of the year from spend to date, month-on-month growth and a new workload, then test it against the budget.Cloud Spend AnalyzerBreak a monthly cloud bill into categories, measure month-on-month movement and flag concentration and anomalies.Cloud Efficiency Score CalculatorScore a cloud estate on unit cost movement, utilisation, commitment coverage and waste to see if efficiency is improving.Cloud Optimization Score CalculatorScore how well a team turns optimisation recommendations into realised savings, and value the backlog left on the table.Resource Tagging Coverage CalculatorMeasure coverage of the mandatory tag set, find the weakest tag and size the remediation effort and unallocatable spend.Chargeback CalculatorAllocate 100% of a cloud bill onto consuming teams, spreading shared platform and untagged cost by even, proportional or weighted keys.Showback CalculatorReport a team's fully loaded cloud cost, its share of the bill, its unit cost and its trend, without moving any budget.Cloud Governance Score CalculatorScore cloud governance across cost allocation, policy control, commitment management and automation, and get one next action.
CDN, Edge & DNS
CDN Cache Hit Ratio CalculatorTurn edge hits and misses into a cache hit ratio, origin offload and the origin egress the cache actually avoids.CDN Bandwidth CalculatorSize CDN and origin bandwidth from visitors, page weight and a peak-to-average ratio instead of a monthly average.Edge Compute Cost CalculatorCost an edge function platform on per-million requests plus CPU milliseconds, after the allowances your plan includes.Edge Storage CalculatorSize and cost cached data at the edge, including the replication amplification of pushing hot objects to every location.Cloudflare CDN Cost CalculatorEstimate a Cloudflare bill from plan fee, Argo smart routing and the origin egress that caching still leaves behind.Cloudflare Workers Cost CalculatorPrice Cloudflare Workers on requests plus CPU milliseconds and check whether the free daily allowance still covers you.Cloudflare R2 Storage CalculatorCompare R2's zero-egress storage plus Class A and Class B operation charges against S3 storage plus per-GB egress.Cloud DNS TTL CalculatorSee how a DNS TTL trades resolver cache hit ratio and query spend against how fast a record can fail over.DNS Propagation Time CalculatorWork out the worst-case time a DNS change takes to reach every resolver, including the TTL you lowered beforehand.Global Latency CalculatorEstimate round-trip latency from distance using the speed of light in fibre, plus per-hop and processing overhead.Regional Traffic Distribution CalculatorSplit monthly traffic across world regions, find the busiest one and size its peak bandwidth from the share.Geo-Replication CalculatorSize cross-region replication bandwidth, storage and transfer cost from a daily change rate and compression.Anycast Coverage CalculatorCheck per-location load on an anycast prefix and whether the survivors absorb the traffic when a location withdraws.Edge Location PlannerWork out how many edge locations a latency target needs, from the distance budget the speed of light allows.API Response Latency CalculatorBreak an API response into DNS, TCP, TLS, server and transfer time, then project the p95 and p99 tail.Global Load Balancer CalculatorDerive failover time from health-check interval, failure threshold, DNS TTL and draining, and price the DNS queries.Regional Failover CalculatorTest whether surviving regions absorb the load when one fails, and price the standby capacity that makes it possible.Traffic Routing CalculatorSplit traffic across weighted origin pools and see the blended latency, plus what happens when a pool drops out.Edge Performance Score CalculatorScore an edge delivery setup on cache efficiency, tail latency, reliability and protocol adoption, then rank the weakest.Cloud Readiness Assessment CalculatorScore how ready an estate is for cloud and edge delivery, then estimate migration waves and elapsed months.