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About sourdoughy.com
sourdoughy.com is a free sourdough hydration calculator and educational resource for home bakers. We believe accurate calculations and clear methodology make better bread.
Our Mission
We provide free, accurate tools and guides so anyone can master sourdough baking. No signup, no ads—just the numbers and knowledge you need.
Methodology
Our calculator uses the industry-standard baker's percentage system. Every guide is based on professional methodology and tested with various flour types. See our methodology page for full transparency.
Editorial Standards
We fact-check all content against professional baking sources. Guides are updated when new best practices emerge. We cite methodology and welcome feedback.
Last updated: February 2026
Disclaimer: Baking results vary based on flour type, ambient temperature, starter health, and technique. Use this guide and our sourdough hydration calculator as a starting point, then adjust to your conditions.