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About this tool
Compute Google Cloud Run cost from requests, CPU, memory, concurrency and min instances — free tier and idle rates included.
This calculator estimates a Google Cloud Run service's monthly bill under request-based billing: vCPU-seconds at $0.000024, GiB-seconds at $0.0000025 and requests at $0.40 per million (Tier 1 regions), after the monthly free tier of 180,000 vCPU-seconds, 360,000 GiB-seconds and 2 million requests. It models the details that change the answer — 100 ms billing increments, request concurrency sharing one instance, and warm min instances billing at idle rates around the clock.
Open GCP Cloud Run Cost Calculator on AltFTool — it loads instantly in your browser.
Enter the values you already know.
Fine-tune the options to match your scenario.
Read the result and use it in your planning or reporting.
The 180k vCPU-s, 360k GiB-s and 2M request monthly allowances are deducted first.
Concurrent requests share one instance's clock, exactly as Cloud Run bills it.
Min instances are priced at the idle rates of $0.000018/vCPU-s and $0.000002/GiB-s.
Under request-based billing you pay for vCPU-seconds ($0.000024), memory GiB-seconds ($0.0000025) and requests ($0.40 per million) in Tier 1 regions, rounded up to 100 ms per request. Instance-based billing instead charges the whole instance lifetime at lower rates ($0.000018/vCPU-s) with no per-request fee.
Often, yes. Every month the first 180,000 vCPU-seconds, 360,000 GiB-seconds and 2 million requests are free in Tier 1 regions — enough for roughly 600,000 requests at 300 ms on a 1 vCPU service before any compute charge appears.
Directly: Cloud Run bills instance time, not per-request time, so 80 requests handled concurrently on one instance cost roughly 1/80th of the compute of handling them serially. Raising concurrency is usually the biggest single cost lever, limited by how CPU-bound each request is.
A warm idle instance bills at the idle rates — $0.000018 per vCPU-second and $0.000002 per GiB-second in Tier 1 regions — which comes to about $50 per month for a 1 vCPU / 512 MiB instance kept warm around the clock. That is the price of eliminating cold starts.
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