About SourdoughCalc

Baker's percentage made easy.

SourdoughCalc (sourdough-calc.com) is a free, browser-based calculator for sourdough bakers. Enter a flour weight or total dough weight and get the exact water, salt, and starter amounts for your loaf — with hydration presets and real-time results.

What It Does

• Baker's percentage math from total flour weight or total dough weight
• Hydration presets for classic loaves (60%, 70%, 75%, 80%+)
• Adjustable salt and starter percentages
• A free companion guide covering starter care, shaping, and baking

Privacy First

Everything runs in your browser — nothing you type is transmitted or stored by us. See our Privacy Policy for details.

Contact

Found a bug or have a feature idea? Email [email protected].