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Baker's bench

A confident sourdough rhythm.

Calculate sourdough hydration, starter, salt, and a practical fermentation window for your home kitchen.

Free to use — no sign-in required.

Quick Kitchen Summary & Pro Tips

Start with this formula, then let the dough lead: warmer kitchens ferment faster, and a dough with visible bubbles and a soft rise is more informative than any timer.

Set your dough

Adjust the four levers below.

Your formula is saved privately on this device. Clear saved data restores the starter values.