🌾Our Story & Mission

Bridging Ancient Fermentation with Digital Precision

SourdoughLab was born out of a simple passion: to make authentic artisan sourdough baking approachable, reproducible, and deeply rewarding for bakers of all skill levels.

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The Art & The Math

Sourdough baking is a delicate balance of biology, chemistry, and culinary instinct. While wild yeasts and lactic acid bacteria bring dough to life, inconsistent measurements in cups or volume often lead to flat loaves, gummy crumbs, or unpredictable fermentation.

We created SourdoughLab to give home bakers the same precision tools utilized by master artisan bakers worldwide—translating complex baker's math percentages and levain hydration into effortless, gram-accurate formulas.

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True Total Hydration

Most traditional calculators ignore the flour and water tucked away inside your active levain. When you add 100g of 100% hydration starter to your dough, you are adding 50g of flour and 50g of water that fundamentally shift your hydration.

Our engine recalculates both Baker's Formula Hydration and True Total Hydration down to the single gram, ensuring your dough feel matches your target every single time.

✨ What We Stand For

The Four Pillars of SourdoughLab

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Precision Without Complexity

We design tools that eliminate calculation errors while keeping the interface warm, intuitive, and welcoming.

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100% Free & Open Access

Great bread should be accessible to all. Our calculator, fermentation schedule, and flour compendium are free with zero paywalls.

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Privacy-First Architecture

Your custom recipe presets, unit preferences, and theme settings live locally in your browser. We never sell or track your personal data.

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Community Driven

Every tool and preset is refined based on real feedback from bakers around the world, from first-time bakers to seasoned micro-bakeries.

Ready to bake with confidence?

Calculate your next batch with precise baker's percentages, or plan your weekend fermentation timeline.

🍞 Open Sourdough Calculator ⏱️ View Bake Timeline 📬 Say Hello