Kubernetes Calculators
40 free kubernetes calculators in DevOps. The first 1 has a full write-up: the method, a worked example and questions specific to that calculator.
- Cluster Health Score CalculatorGenerate an overall health score for a Kubernetes cluster from key operational metrics.
- API Server Request CalculatorEstimate the request rate hitting the Kubernetes API server from controllers and clients.
- Cluster Autoscaler CalculatorCalculate how many nodes the Cluster Autoscaler will add or remove under load.
- Cluster Upgrade Time CalculatorEstimate total time to upgrade a Kubernetes cluster across control plane and nodes.
- ConfigMap Size CalculatorCheck whether a ConfigMap's data stays within Kubernetes' 1MiB size limit.
- Control Plane Resource CalculatorSize control plane CPU and memory for the API server, scheduler and controller manager.
- CronJob Schedule CalculatorCalculate next run times and overlap risk for a Kubernetes CronJob schedule.
- DaemonSet Capacity CalculatorEstimate total cluster-wide resource consumption of a DaemonSet across all nodes.
- Deployment Capacity CalculatorCalculate total serving capacity of a Kubernetes Deployment across its replicas.
- Endpoint Distribution CalculatorCalculate how evenly traffic spreads across Service endpoints as replicas scale.
- etcd Storage Growth CalculatorProject etcd database growth as cluster objects and revision history accumulate.
- HPA Target CalculatorCalculate the ideal Horizontal Pod Autoscaler target utilization and replica range.
- Ingress Capacity CalculatorCalculate the request throughput an Ingress controller can sustain under load.
- Job Completion Time CalculatorEstimate total completion time for a Kubernetes Job given parallelism and completions.
- LimitRange CalculatorDetermine default and boundary values for a Kubernetes LimitRange policy.
- Namespace Resource CalculatorSum up total CPU and memory consumption across all workloads in a namespace.
- NetworkPolicy CalculatorEstimate how many pod-to-pod connection paths a NetworkPolicy will allow or block.
- Node Affinity CalculatorEstimate how many nodes match a given nodeAffinity rule across your cluster.
- Node Capacity CalculatorCalculate how many pods and how much workload a Kubernetes node can host.
- 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.
- Pod CPU Limit CalculatorSet a safe CPU limit for a pod that avoids throttling while capping burst usage.
- Pod CPU Request CalculatorDetermine the right CPU request value for a pod based on average utilization.
- Pod Density CalculatorEstimate the maximum number of pods packed per node given resource requests.
- Pod Eviction CalculatorEstimate which pods are at risk of eviction under node memory or disk pressure.
- Pod Memory Limit CalculatorSet a memory limit that prevents OOMKills while leaving headroom for spikes.
- Pod Memory Request CalculatorCalculate the memory request for a pod that reflects real working-set usage.
- Pod Resource CalculatorCalculate optimal CPU and memory requests/limits for a Kubernetes pod.
- PV Capacity CalculatorCalculate total PersistentVolume capacity needed across all cluster claims.
- PVC Size CalculatorSize a PersistentVolumeClaim correctly based on data growth and application needs.
- Replica CalculatorDetermine the number of replicas needed to handle expected traffic and failover.
- ResourceQuota CalculatorCalculate the right ResourceQuota limits for CPU, memory and object counts per namespace.
- Rolling Update Duration CalculatorCalculate how long a rolling update will take given maxSurge and maxUnavailable.
- Scheduler Capacity CalculatorEstimate how many pods per second the Kubernetes scheduler can place on a cluster.
- Secret Size CalculatorCheck whether a Kubernetes Secret's encoded data fits within size constraints.
- Service Load CalculatorEstimate per-pod load distribution behind a Kubernetes Service under a given traffic rate.
- StatefulSet Capacity CalculatorCalculate storage and compute requirements for a StatefulSet's ordered replicas.
- StorageClass Performance CalculatorCompare IOPS and throughput characteristics across Kubernetes StorageClasses.
- Taints Tolerations CalculatorDetermine which pods can schedule onto tainted nodes given their tolerations.
- VPA Recommendation CalculatorEstimate Vertical Pod Autoscaler recommended requests based on historical usage.