Bread hydration calculator

Calculate dough hydration and baker's percentages, including what your starter contributes.

Dough ingredients

Flour (g) Water (g) Salt (g) Yeast (g)

Optional starter

Starter (g) Starter hydration (%)

Target hydration (optional) Target hydration (%)

How starter is counted

The flour and water in your starter are included in the totals. Baker's percentages use total flour as 100%. Flour absorption varies, so hydration is a useful comparison rather than a guarantee of dough texture.

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Related free tools

Bread dough formula builder Turn total flour and baker's percentages into a complete weighed dough formula. Yeast converter Convert a yeast weight between fresh, active dry and instant dry forms. Metric recipe scaler Scale ingredient quantities up or down while keeping fractions readable.

Free baking tools, made by BatterBee.
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