Key capabilities
- Process inputs locally without connecting to a cluster
- Start with a sample and review each result
- Explain modeled rules and unsupported behavior
- Export reviewable configuration and analysis
Kubernetes HPA Calculator & Simulator
Calculate CPU and memory utilization recommendations with replica bounds, stabilization windows and scaling policies. Replay CSV observations locally and export autoscaling/v2 YAML.
Your configuration stays in this browser
No cluster access, kubectl execution or configuration uploads. Anonymous operation events contain only operation types and size/time buckets, never input values.
Advanced scaling behavior
Scale up
Scale down
Start with a sample or enter your configuration, then run the tool.
Model boundaries
Deterministic aggregate CPU/memory utilization model, not a Kubernetes controller replica. Assumes all Pods ready with requests set. Does not model per-Pod missing metrics, readiness delays, scheduling, custom/external metrics or prehistory before the first row. Bounds, windows and policy event history are modeled.
About Kubernetes HPA Calculator & Simulator
Calculate replicas, replay utilization and generate HPA YAML. Calculate CPU and memory utilization recommendations with replica bounds, stabilization windows and scaling policies. Replay CSV observations locally and export autoscaling/v2 YAML. The core workflow is designed to run in your current browser.
Useful for
- Review a proposed configuration before applying it
- Understand a result using a reproducible offline example
Frequently asked questions
Is Kubernetes HPA Calculator & Simulator free to use online?
Yes. Kubernetes HPA Calculator & Simulator opens in a modern browser and does not require desktop software installation.
What is Kubernetes HPA Calculator & Simulator useful for?
Common use cases include Review a proposed configuration before applying it; Understand a result using a reproducible offline example.
Is my input or file uploaded?
The core processing workflow is designed to run locally in the browser. Key capabilities include Process inputs locally without connecting to a cluster, Start with a sample and review each result, Explain modeled rules and unsupported behavior; account, comments, and anonymous analytics may still create normal site requests.
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