Sourdough Starter Calculator

Calculate flour and water in a starter by hydration.

Estimated result

How this calculator works

Calculate flour and water in a starter by hydration.

Starter flour = total starter ÷ (1 + hydration ÷ 100)

Baking note

Ingredient densities, ovens and fermentation conditions vary. Use these results as practical estimates and adjust for your recipe, equipment and environment.