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

About the Author
Written by an artisan sourdough enthusiast with years of home-baking experience. This guide is based on professional baker's percentage methodology and extensive testing with various flour types and hydration levels.

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.

Ready to calculate? Use our free sourdough hydration calculator to get exact ingredient weights for your next bake.