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About this tool
Estimate monthly GitHub Actions cost from job counts and durations, with Linux, Windows 2x and macOS 10x runner multipliers.
This calculator estimates your monthly GitHub Actions bill from job counts and average durations, applying GitHub's documented billing rules: each job rounds up to a whole minute, Windows minutes count 2x and macOS minutes 10x against your plan's included allowance, and overage is charged from $0.008 per Linux minute. It is for engineering leads sizing a CI budget or hunting down why the Actions line item suddenly grew.
Open GitHub Actions Minutes 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.
Linux $0.008, Windows $0.016 and macOS $0.08 per minute, with the 1x/2x/10x allowance multipliers applied.
A 90-second job bills as 2 minutes — the estimate rounds up exactly as GitHub's metering does.
Included allowances for Free (2,000), Pro and Team (3,000) and Enterprise Cloud (50,000) private-repo minutes.
On standard GitHub-hosted runners, Linux costs $0.008 per minute, Windows $0.016 and macOS $0.08, billed only after your plan's included minutes are used. Included allowances for private repos are 2,000 minutes on Free, 3,000 on Pro and Team, and 50,000 on Enterprise Cloud.
Yes — standard GitHub-hosted runners are free without a minute cap for public repositories. Larger runners (4-core and up) are always billed regardless of repository visibility, and self-hosted runners are free to connect on any repo.
Because of the 10x multiplier: one macOS minute consumes ten included minutes, so a 15-minute iOS build eats 150 minutes of allowance. Windows carries a 2x multiplier and Linux 1x, which is why moving jobs to ubuntu-latest is the single biggest lever on an Actions bill.
Each job is rounded up to the nearest whole minute individually — a job that runs 61 seconds bills as 2 minutes. Many short jobs therefore cost more than one long job of the same total duration, which is worth knowing before splitting a workflow into micro-jobs.
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