Sourdough Baking Calculators

Free, no-signup calculators for Sourdough Baking. Pick a tool below - every formula is explained on its page and every reference value is sourced.

Bread hydration including starter, or solve for water to hit a target.

Feeding amounts for any ratio, or work back from a recipe target.

Water temperature for target dough temperature plus bulk time shifts.

Total dough weight, or scale a recipe to a target weight for pans and buns.

Bulk or proofing time at your kitchen temperature from a recipe reference.

Blend two flours to hit a target protein percentage.

Turn recipe weights into baker's percentages, or scale a percentage formula into gram amounts.

Staged builds from the starter you have to the levain a recipe needs, with flour and water per stage.