Kubernetes Cost Calculator
Kubernetes monthly spend.
Calculate monthly Kubernetes cluster cost including worker nodes, control plane, and add-on services like ingress and monitoring.
What this tool does
This calculator models your Kubernetes cluster's monthly operational cost by combining three primary cost components. It multiplies your worker node count by the per-node fee, then adds your managed control plane charges and any additional services such as ingress controllers, monitoring tools, or storage solutions. The result shows your estimated total monthly spend in your currency. Worker node count and per-node cost typically drive the largest portion of the total, though control plane and add-on expenses vary significantly depending on cluster scale and feature selection. This calculation assumes stable pricing and steady usage patterns; it does not account for variable consumption charges, discounts, or future price changes. The output is for cost estimation purposes and reflects a simplified model of cluster expenses.
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Formula Used
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Calculations or display — let us know.
Disclaimer
Results are estimates for educational purposes only. They do not constitute financial advice. Consult a qualified professional before making financial decisions.
Kubernetes cost has three parts: worker nodes (compute instances), managed control plane (EKS/GKE/AKS fee), and additional services (load balancers, ingress, monitoring, logging). Typical cluster: 50-300/month for small workload (3-5 nodes), 2,000-10,000/month for mid-scale production (20-50 nodes), 50k+ for large enterprise.
10 nodes × 100/month + 75 managed control plane + 200 add-on services = 1,275/month. 15,300 annually. Mid-sized production setup. Most teams underestimate add-on services (load balancers, monitoring stack, storage) which often match node cost in large clusters.
Cost optimization: right-size nodes (stop using 16GB instances for 4GB workloads), use spot instances for non-critical (50-90% cheaper), cluster autoscaling, deprovision dev/test clusters outside working hours, consolidate workloads per node. Combined FinOps programmes typically cut cluster costs 30-50%.
Quick example
With worker nodes of 10 and cost per node monthly of 100 (plus managed control plane of 75 and additional services of 200), the result is 1,275.00. Change any figure and watch the output shift — it's often more useful to see the pattern than to memorise the formula.
Which inputs matter most
You enter Worker Nodes, Cost per Node Monthly, Managed Control Plane, and Additional Services.
What's happening under the hood
Total monthly = (nodes × per-node) + control plane + additional services. The formula is listed in full below. If the number looks off, you can retrace the calculation by hand — that's the point of showing the working.
Using this as a check-in
Re-run this every three months. A single reading tells you where you stand; four readings tell you whether things are improving. The trend matters more than any individual snapshot.
What this doesn't capture
The score is a composite of the inputs you provide. Life context — job security, family obligations, health, housing — doesn't appear in the math but shapes the real picture. Use the number as a prompt, not a verdict.
10 × ££100 + ££75 + ££200 = 1,275.00.
Inputs
This example uses typical values for illustration. Adjust the inputs above to match a specific situation and see how the result changes.
Sources & Methodology
Methodology
The calculator computes total monthly Kubernetes spend by multiplying the number of worker nodes by the monthly cost per node, then adding fixed charges for the managed control plane and any additional services. The model treats all cost components as constant across the calculation period and assumes per-node pricing remains stable regardless of node count or usage patterns. It does not account for volume discounts, reserved instance pricing, variable utilization costs, or service-level adjustments that may apply in production environments. Results represent a simplified linear projection suitable for baseline budgeting purposes.
References
Frequently Asked Questions
Self-managed vs managed Kubernetes?
Spot vs on-demand?
Is Kubernetes worth it for small teams?
FinOps for Kubernetes?
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