Dough Hydration Calculator

Hydration of bread or sourdough dough, including the starter.

Runs in your browser — nothing is uploaded

—

How to use Dough Hydration Calculator

  1. Enter your values — the unit for each field is shown next to it.
  2. The result updates instantly as you type.
  3. Copy the results, or change inputs to compare scenarios.

Formula & assumptions

Hydration = total water ÷ total flour × 100 (starter split by its own hydration)