Dough Hydration Calculator

Enter flour, water, starter mass, and starter hydration to calculate effective total hydration.

Flour (g)

Water (g)

Starter / levain (g)

Starter hydration (%)

—Effective dough hydration

—Total flour

—Total water

—Starter flour + water

How to use this Dough Hydration Calculator

Calculate dough hydration while accounting for flour and water contributed by starter. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.