Calculators

Run the numbers

Browser-based calculators for the metrics that actually predict whether a dev team is healthy. Paste your data, read the result, close the tab.

Deployment Frequency

How often you ship is the first number to fix.

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Lead Time for Changes

The time from idea to prod is where you win or lose.

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Change Failure Rate

Frequency only counts if you are not breaking things.

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PR Size Distribution

Big PRs get rubber-stamped. Small PRs get read.

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