⎈ K8sCalc
Free calculators and tools for Kubernetes, DevOps, AI infrastructure, and self-hosting. Cluster cost estimators, VRAM calculators, Longhorn storage planners, config generators, and provider comparisons.
$ ls ./calculators
K8s Cluster Cost
Calculate the monthly cost of running a Kubernetes cluster on Hetzner Cloud. Choose server types for control planes, workers, and load balancers with HA mode.
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Longhorn Storage
Calculate the total storage required for Longhorn distributed block storage, including replica overhead, snapshot retention, and S3 backup sizing on Hetzner Object Storage.
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AI VRAM
Calculate the GPU VRAM required to run any LLM locally or on cloud GPU. Supports all quantization levels — FP32, FP16, INT8, INT4, and GGUF variants.
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GPU Cloud Cost
Compare GPU cloud rental costs across RunPod, Lambda Labs, and Vast.ai. Calculate monthly spend for LLM inference, fine-tuning, and ML training workloads.
ai-gpu →
K8s Node Sizing
Calculate the right number and size of Kubernetes worker nodes for your workloads. Supports Hetzner Cloud and Vultr with verified pricing.
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k3s Resources
Calculate RAM and CPU requirements for a k3s cluster. k3s has 5–10× lower overhead than full Kubernetes — see exactly how much your server and agent nodes need.
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