Beginner Guide
Sourdough Hydration Percentage Chart by Flour Type
A practical hydration chart for bread flour, whole wheat, rye, and ancient grains.
Sourdough hydration is water weight ÷ flour weight × 100; start around 70–75% for bread flour and add water for thirsty whole grains.
Quick hydration chart
| Flour blend | Suggested hydration | Feel |
|---|---|---|
| 100% bread flour | 68–75% | Manageable, classic |
| 80% bread / 20% whole wheat | 72–78% | Slightly stickier |
| 50%+ whole wheat | 78–85% | Soft, needs folds |
| Rye 20–30% | 75–80% | Sticky, less gluten |
| Beginner comfort zone | 70% | Best starting point |
Include flour and water from the starter/levain in baker's math.
How to adjust
Dough like concrete → raise water next time. Dough puddles → lower 2–3% or strengthen with folds. Always weigh in grams — cups make charts meaningless.
Open crumb vs sandwich loaf
Higher hydration often helps open crumb if strength and fermentation are solid. For sandwiches, 65–70% in a pan is more practical than chasing giant holes.
Why this matters for new bakers
Most first-loaf frustration is not a lack of talent — it is missing a clear checkpoint. When you know what "good enough" looks like at each stage, you stop changing five variables at once. Keep a simple note of room temperature, dough feel, and timing. That notebook (or app log) becomes more valuable than any single recipe screenshot.
A calm practice plan
- Repeat the same formula three times before innovating.
- Change only one variable per bake after that.
- Photograph crumb under consistent lighting so you can compare honestly.
- Celebrate edible, well-fermented bread before chasing perfect ears.
One thing to remember
When in doubt, give fermentation a fair window before blaming your oven or your scoring.
Common myth to ignore
You do not need a kitchen scale and a proofing box and a starter from a famous bakery on day one. A jar, flour, water, and a scale will take you surprisingly far. Complexity is easier to add later than it is to unlearn.
Starter patience
Bubbles are not the same as strength. A young starter can foam and still fail in dough. Wait for reliable doubling across days, then bake a simple white loaf before specialty flour experiments.
Field notes
The fastest way to improve at this is to pair the technique with the same base dough for several weekends. Whole-grain flour, warmer kitchens, and higher starter percentages all compress timelines — expect that interaction. Document one success in enough detail that you could hand the notes to a friend and they could reproduce it. When the basics feel boring, you are ready for variations — not before.
Also useful: weigh everything, preheat longer than you think, and cool fully before you judge crumb quality. Those three habits make every other tip more reliable.
Frequently asked questions
Does starter hydration count?
Yes — include starter water and flour, or use a calculator.
Is 100% hydration possible at home?
Yes for ciabatta-style doughs, if your handling skill matches.
Why does my 75% feel like 85%?
Whole grains, fresh-milled flour, or weak gluten change feel dramatically.
Use the hydration calculator at sourdoughai.app/tools/hydration-calculator, then log results in the app to dial your personal percentage.