DevOps Calculators
Docker, Kubernetes, Helm, Jenkins, Git, Terraform, Ansible, monitoring and observability.
200 of 200 available now
Docker
Docker Image Size CalculatorEstimate the final size of a Docker image from its base image and added layers.Docker Layer Size CalculatorBreak down how much each Dockerfile instruction adds to your final image layers.Docker Container Memory CalculatorCalculate how much memory to allocate per container based on workload profile.Docker CPU Limit CalculatorConvert CPU shares, quotas and cores into the right Docker CPU limit settings.Docker Storage Driver Overhead CalculatorCompare overlay2, aufs and devicemapper storage driver overhead for your workload.Docker Build Time EstimatorEstimate total docker build duration from layer count, cache hits and build steps.Docker Pull Time CalculatorCalculate how long a docker pull will take given image size and network bandwidth.Docker Push Time CalculatorEstimate docker push duration to a registry based on image size and upload speed.Docker Registry Storage CalculatorProject storage needs for a private Docker registry from image count and retention.Docker Volume Size CalculatorSize persistent Docker volumes correctly based on data growth and retention needs.Docker Network Throughput CalculatorEstimate achievable network throughput between containers on a Docker network.Docker Overlay Network CalculatorCalculate overlay network overhead and capacity across a Docker Swarm cluster.Docker Bridge Network CalculatorCalculate how many containers a Docker bridge network's subnet can support.Docker Container Density CalculatorDetermine how many containers can run per host given CPU, memory and overhead.Docker Log Growth CalculatorProject disk usage growth from container logs based on volume and retention settings.Docker Restart Policy EstimatorEstimate container restart counts and backoff delays under different restart policies.Docker Image Compression CalculatorEstimate compressed vs uncompressed image size savings across registry transfers.Docker Cache Efficiency CalculatorMeasure how much build time you save from Docker layer cache hits versus misses.Docker Multi-stage Build Savings CalculatorCompare final image size before and after adopting multi-stage Docker builds.Docker Container Startup Time CalculatorEstimate container cold-start time from image pull, init process and healthcheck delay.
Kubernetes
Pod Resource CalculatorCalculate optimal CPU and memory requests/limits for a Kubernetes pod.Pod CPU Request CalculatorDetermine the right CPU request value for a pod based on average utilization.Pod CPU Limit CalculatorSet a safe CPU limit for a pod that avoids throttling while capping burst usage.Pod Memory Request CalculatorCalculate the memory request for a pod that reflects real working-set usage.Pod Memory Limit CalculatorSet a memory limit that prevents OOMKills while leaving headroom for spikes.Node Capacity CalculatorCalculate how many pods and how much workload a Kubernetes node can host.Pod Density CalculatorEstimate the maximum number of pods packed per node given resource requests.Namespace Resource CalculatorSum up total CPU and memory consumption across all workloads in a namespace.Replica CalculatorDetermine the number of replicas needed to handle expected traffic and failover.Deployment Capacity CalculatorCalculate total serving capacity of a Kubernetes Deployment across its replicas.DaemonSet Capacity CalculatorEstimate total cluster-wide resource consumption of a DaemonSet across all nodes.StatefulSet Capacity CalculatorCalculate storage and compute requirements for a StatefulSet's ordered replicas.Job Completion Time CalculatorEstimate total completion time for a Kubernetes Job given parallelism and completions.CronJob Schedule CalculatorCalculate next run times and overlap risk for a Kubernetes CronJob schedule.HPA Target CalculatorCalculate the ideal Horizontal Pod Autoscaler target utilization and replica range.VPA Recommendation CalculatorEstimate Vertical Pod Autoscaler recommended requests based on historical usage.Cluster Autoscaler CalculatorCalculate how many nodes the Cluster Autoscaler will add or remove under load.PVC Size CalculatorSize a PersistentVolumeClaim correctly based on data growth and application needs.PV Capacity CalculatorCalculate total PersistentVolume capacity needed across all cluster claims.StorageClass Performance CalculatorCompare IOPS and throughput characteristics across Kubernetes StorageClasses.Node Affinity CalculatorEstimate how many nodes match a given nodeAffinity rule across your cluster.Pod Affinity CalculatorCalculate pod co-location outcomes when podAffinity rules are applied to a cluster.Pod Anti-Affinity CalculatorEstimate pod spread outcomes across nodes when podAntiAffinity rules are enforced.Taints Tolerations CalculatorDetermine which pods can schedule onto tainted nodes given their tolerations.ResourceQuota CalculatorCalculate the right ResourceQuota limits for CPU, memory and object counts per namespace.LimitRange CalculatorDetermine default and boundary values for a Kubernetes LimitRange policy.NetworkPolicy CalculatorEstimate how many pod-to-pod connection paths a NetworkPolicy will allow or block.Ingress Capacity CalculatorCalculate the request throughput an Ingress controller can sustain under load.Service Load CalculatorEstimate per-pod load distribution behind a Kubernetes Service under a given traffic rate.Endpoint Distribution CalculatorCalculate how evenly traffic spreads across Service endpoints as replicas scale.ConfigMap Size CalculatorCheck whether a ConfigMap's data stays within Kubernetes' 1MiB size limit.Secret Size CalculatorCheck whether a Kubernetes Secret's encoded data fits within size constraints.API Server Request CalculatorEstimate the request rate hitting the Kubernetes API server from controllers and clients.Scheduler Capacity CalculatorEstimate how many pods per second the Kubernetes scheduler can place on a cluster.Control Plane Resource CalculatorSize control plane CPU and memory for the API server, scheduler and controller manager.etcd Storage Growth CalculatorProject etcd database growth as cluster objects and revision history accumulate.Cluster Upgrade Time CalculatorEstimate total time to upgrade a Kubernetes cluster across control plane and nodes.Rolling Update Duration CalculatorCalculate how long a rolling update will take given maxSurge and maxUnavailable.Pod Eviction CalculatorEstimate which pods are at risk of eviction under node memory or disk pressure.Cluster Health Score CalculatorGenerate an overall health score for a Kubernetes cluster from key operational metrics.
Helm
Helm Release Size CalculatorEstimate the total manifest size of a Helm release stored in cluster secrets.Helm Chart Dependency CalculatorMap out total dependency count and depth across a Helm chart's subcharts.Helm Upgrade Time CalculatorEstimate how long a helm upgrade will take based on resource count and hooks.Helm Rollback Duration CalculatorCalculate expected duration of a helm rollback to a previous release revision.Helm Values Size CalculatorMeasure the size and complexity of a Helm values.yaml file across environments.Helm Manifest Size CalculatorCalculate the rendered manifest size produced by a Helm chart's templates.Helm Repository Storage CalculatorProject storage needs for a Helm chart repository as versions and charts accumulate.Helm Template Rendering CalculatorEstimate template rendering time for a Helm chart based on template count and complexity.Helm Revision CalculatorCalculate how much release history storage accumulates across Helm revisions.Helm Package Size CalculatorEstimate the packaged .tgz size of a Helm chart including all subcharts.Helm Chart Version CalculatorDetermine the correct next semver version for a Helm chart based on change type.Helm OCI Registry Storage CalculatorProject OCI-based Helm chart registry storage needs as chart artifacts accumulate.Helm Release History CalculatorCalculate storage and lookup overhead from retaining many Helm release history entries.Helm Hook Execution CalculatorEstimate total execution time added by pre/post-install and upgrade Helm hooks.Helm Chart Complexity ScoreScore a Helm chart's overall complexity from templates, values and dependencies.
Jenkins
Build Duration CalculatorEstimate total CI build duration from stage times, parallelism and queue delay.Build Queue CalculatorCalculate expected wait time in a Jenkins build queue given executor availability.Executor Requirement CalculatorDetermine how many Jenkins executors you need to meet target build throughput.Pipeline Runtime CalculatorCalculate total runtime of a CI/CD pipeline across sequential and parallel stages.Parallel Stage Time CalculatorEstimate time savings from running pipeline stages in parallel versus sequentially.Agent Capacity CalculatorCalculate how many concurrent jobs a fleet of Jenkins agents can support.Artifact Storage CalculatorProject artifact repository storage growth from build frequency and artifact size.Workspace Size CalculatorEstimate disk space consumed by Jenkins job workspaces across concurrent builds.Build Success Rate CalculatorCalculate the percentage of CI builds that pass over a given time window.Pipeline Failure Rate CalculatorCalculate how often a CI/CD pipeline fails across recent runs to spot flakiness.Pipeline Cost CalculatorEstimate compute cost of running a CI/CD pipeline based on runtime and agent pricing.Concurrent Build CalculatorCalculate the maximum number of builds that can run concurrently given resources.Test Execution Time CalculatorEstimate total test suite execution time given test count and parallel workers.Pipeline Throughput CalculatorCalculate how many pipeline runs per hour your CI/CD system can sustain.Deployment Frequency CalculatorCalculate how often your team ships deployments to production over time.Rollback Time CalculatorEstimate how long it takes to roll back a failed deployment to a previous version.Release Time CalculatorCalculate end-to-end release time from build trigger through production deployment.Pipeline Health Score CalculatorGenerate an overall health score for a CI/CD pipeline from speed, stability and success.Node Label Distribution CalculatorCalculate how build jobs distribute across labeled Jenkins agent pools.Plugin Dependency CalculatorMap out dependency count and version conflicts across installed Jenkins plugins.
Git & GitHub
Repository Size CalculatorEstimate total Git repository size including history, objects and packfiles.Clone Time CalculatorCalculate how long a git clone will take based on repo size and network speed.Fetch Time CalculatorEstimate git fetch duration based on new commits, objects and network conditions.Branch Divergence CalculatorCalculate how many commits two Git branches have diverged from a common ancestor.Merge Conflict Probability CalculatorEstimate the likelihood of merge conflicts based on branch divergence and file overlap.Commit Frequency CalculatorCalculate average commit frequency per contributor or repository over time.Release Frequency CalculatorCalculate how often a repository publishes tagged releases over a given period.Contributor Activity CalculatorMeasure contributor activity levels from commits, PRs and reviews over time.Git LFS Storage CalculatorProject Git LFS storage and bandwidth usage from large binary file tracking.Repository Growth CalculatorProject how a Git repository's size will grow over time based on commit trends.Pull Request Review Time CalculatorCalculate average time from PR open to approval across your review process.Code Churn CalculatorCalculate code churn rate from lines added, modified and deleted over time.Commit Velocity CalculatorTrack commit velocity trends across a team or repository over multiple sprints.Branch Lifetime CalculatorCalculate the average lifetime of feature branches from creation to merge.Git Repository Health Score CalculatorGenerate an overall health score for a Git repository from activity and quality signals.
Terraform
Terraform State Size CalculatorEstimate Terraform state file size based on managed resource count and attributes.Terraform Plan Complexity CalculatorScore the complexity of a Terraform plan from resource changes and dependencies.Terraform Apply Time CalculatorEstimate how long terraform apply will take based on resource count and parallelism.Terraform Drift CalculatorCalculate the percentage of resources that have drifted from their Terraform state.Terraform Resource Count CalculatorCount total managed resources across Terraform modules, workspaces and environments.Terraform Module Dependency CalculatorMap dependency depth and count across nested Terraform modules.Terraform Workspace CalculatorCalculate state storage and management overhead across multiple Terraform workspaces.Terraform Variable Size CalculatorMeasure the size and complexity of variable definitions across a Terraform configuration.Terraform Backend Storage CalculatorProject remote backend storage needs across all Terraform state files and versions.Terraform Lock Timeout CalculatorCalculate an appropriate state lock timeout based on team size and apply frequency.Terraform Refresh Duration CalculatorEstimate how long a terraform refresh will take based on resource count and API latency.Terraform Graph Complexity CalculatorScore the complexity of a Terraform dependency graph from nodes and edges.Terraform State Growth CalculatorProject how Terraform state file size will grow as infrastructure scales.Terraform Cloud Cost CalculatorEstimate Terraform Cloud/Enterprise costs based on workspace count and run volume.Terraform Infrastructure Score CalculatorGenerate a quality score for a Terraform codebase from structure, drift and coverage.
Ansible
Playbook Runtime CalculatorEstimate total Ansible playbook execution time across tasks, hosts and forks.Inventory Size CalculatorCalculate the size and structure of an Ansible inventory across groups and hosts.Host Parallelism CalculatorCalculate how many hosts Ansible will manage in parallel given fork settings.Task Execution Time CalculatorEstimate total time for Ansible tasks to complete across all target hosts.Role Dependency CalculatorMap dependency depth and count across Ansible roles and their meta dependencies.Variable Precedence CalculatorDetermine which Ansible variable source wins based on precedence order rules.Vault Encryption Size CalculatorEstimate encrypted file size overhead when using Ansible Vault for secrets.Ansible Forks CalculatorDetermine the optimal forks setting for Ansible based on control node resources.SSH Connection CalculatorCalculate concurrent SSH connection load generated by an Ansible run across hosts.Fact Gathering Time CalculatorEstimate time spent gathering facts across all hosts at the start of a playbook run.Idempotency Score CalculatorScore how idempotent an Ansible playbook is based on changed-task ratios across runs.Playbook Complexity CalculatorScore an Ansible playbook's complexity from task count, roles and conditional logic.Module Execution Time CalculatorEstimate execution time for a specific Ansible module across a batch of hosts.Inventory Growth CalculatorProject how an Ansible inventory will grow as infrastructure scales over time.Automation Coverage CalculatorCalculate the percentage of infrastructure tasks covered by Ansible automation.
Monitoring
Prometheus Storage CalculatorEstimate Prometheus disk storage needs from sample ingestion rate and retention.Prometheus Retention CalculatorCalculate how long Prometheus can retain metrics given available disk space.Prometheus TSDB Size CalculatorCalculate Prometheus TSDB block size based on series count and sample density.Scrape Interval CalculatorDetermine the right Prometheus scrape interval balancing granularity and storage cost.Metrics Cardinality CalculatorCalculate total time series cardinality from metric names and label combinations.Alert Frequency CalculatorCalculate how often alerts fire based on thresholds and metric volatility.Alert Noise Score CalculatorScore how noisy an alerting setup is from false-positive and repeat-alert ratios.Grafana Dashboard Load CalculatorEstimate query load a Grafana dashboard places on its underlying data sources.Dashboard Query Time CalculatorEstimate total query execution time for all panels on a monitoring dashboard.Alertmanager Capacity CalculatorCalculate how many alerts Alertmanager can process and route per minute.Metric Ingestion CalculatorCalculate total metric samples ingested per second across all monitored targets.Time Series Growth CalculatorProject how the number of active time series will grow as services and labels scale.PromQL Query Cost CalculatorEstimate the computational cost of a PromQL query based on range and series selected.Exporter Resource CalculatorEstimate CPU and memory overhead added by running Prometheus exporters on a host.Monitoring Coverage CalculatorCalculate the percentage of infrastructure and services covered by active monitoring.SLI CalculatorCalculate a service level indicator from successful events over total events.SLO Compliance CalculatorCheck whether current SLI performance is meeting your defined SLO target.Error Budget CalculatorCalculate remaining error budget based on your SLO target and current failure rate.MTTR CalculatorCalculate mean time to recovery from incident detection to full resolution.MTBF CalculatorCalculate mean time between failures from total uptime and failure count.
Logging & Observability
ELK Storage CalculatorEstimate Elasticsearch storage needs for an ELK stack from log volume and retention.OpenSearch Index Size CalculatorCalculate OpenSearch index size on disk from document count and field mappings.Log Retention CalculatorCalculate storage needed to retain logs for a given period at your ingestion rate.Log Ingestion CalculatorCalculate total log ingestion volume per day across all monitored services.Fluentd Buffer CalculatorSize Fluentd buffer chunks and queue length to avoid backpressure and log loss.Fluent Bit Throughput CalculatorEstimate the log throughput Fluent Bit can process given CPU and memory allocation.Log Compression CalculatorEstimate storage savings from compressing log data before archival or shipping.Tracing Storage CalculatorEstimate storage requirements for distributed tracing spans across a sampling rate.Jaeger Capacity CalculatorCalculate Jaeger collector and storage capacity needed for your trace volume.Zipkin Storage CalculatorEstimate backend storage needs for Zipkin trace data at a given span volume.OpenTelemetry Data Volume CalculatorCalculate total telemetry data volume from OpenTelemetry traces, metrics and logs.Log Search Performance CalculatorEstimate query response time when searching across a large log index.Observability Cost CalculatorEstimate total observability platform cost from logs, metrics and traces ingested.Distributed Trace Growth CalculatorProject how distributed trace volume will grow as microservices and traffic increase.Log Parsing Performance CalculatorEstimate log parsing throughput based on parser complexity and log line rate.
Service Mesh & API Gateway
Istio Sidecar Memory CalculatorEstimate memory overhead added by an Istio Envoy sidecar per pod.Istio Sidecar CPU CalculatorEstimate CPU overhead added by an Istio Envoy sidecar under request load.Envoy Proxy Capacity CalculatorCalculate the request throughput capacity of an Envoy proxy instance.Service Mesh Overhead CalculatorEstimate the latency and resource overhead a service mesh adds to your architecture.mTLS Performance CalculatorEstimate the latency and CPU cost added by enabling mutual TLS between services.Traffic Split CalculatorCalculate request distribution across service versions given traffic split weights.Canary Deployment CalculatorCalculate rollout timeline and exposure percentage for a staged canary deployment.Blue-Green Deployment CalculatorCalculate resource and downtime implications of a blue-green deployment switch.API Gateway Throughput CalculatorCalculate the maximum request throughput an API gateway instance can sustain.Ingress Controller Capacity CalculatorEstimate the concurrent connection capacity of an Ingress controller deployment.Rate Limit CalculatorCalculate appropriate API rate limit thresholds based on capacity and client demand.Circuit Breaker Threshold CalculatorDetermine circuit breaker error and latency thresholds to protect downstream services.Retry Policy CalculatorCalculate total retry latency and load amplification from a retry policy configuration.Timeout Configuration CalculatorDetermine appropriate request timeout values across a chain of dependent services.Service Mesh Health Score CalculatorGenerate an overall health score for a service mesh from latency, errors and mTLS coverage.
DevOps Metrics & DORA
Deployment Frequency CalculatorCalculate your DORA deployment frequency metric to benchmark delivery performance.Lead Time for Changes CalculatorCalculate the DORA lead time for changes from commit to production deployment.Change Failure Rate CalculatorCalculate the DORA change failure rate from deployments that caused incidents.Mean Time to Recovery MTTR CalculatorCalculate the DORA mean time to recovery metric from incident start to resolution.Release Velocity CalculatorCalculate release velocity trends across sprints to track delivery acceleration.Sprint Burndown CalculatorCalculate remaining sprint work and projected completion based on burndown rate.Team Capacity CalculatorCalculate available engineering team capacity for a sprint accounting for time off.DevOps Maturity Score CalculatorScore your organization's DevOps maturity across automation, culture and metrics.Platform Reliability Score CalculatorGenerate an overall platform reliability score from uptime, incidents and SLO adherence.Engineering Productivity CalculatorCalculate engineering productivity from throughput, cycle time and output metrics.