70
%
863
g
10
g
2.5
g
58
%
40.6
%
70
%
863
g
10
g
2.5
g
58
%
40.6
%
The Bread Hydration Calculator helps you quickly determine the hydration level of any bread dough. Hydration is one of the most important variables in bread baking, describing the ratio of water to flour by weight. It influences everything from how the dough handles during mixing and shaping to the final texture, crumb structure, and crust of the baked loaf.
Hydration is always expressed as a baker's percentage: the weight of water divided by the weight of flour, multiplied by 100. A dough made with 500g of flour and 350g of water has a hydration of 70%. This simple calculation tells an experienced baker a great deal about what to expect from the dough and the finished bread.
Understanding hydration is critical for troubleshooting bread problems. If your dough is too sticky and impossible to shape, you may be working with higher hydration than your technique can handle. If your bread comes out dense and dry, you might need to increase hydration to improve crumb openness. This calculator helps you immediately see the hydration level so you can make informed adjustments.
Different bread styles call for different hydration levels. Dense, tight-crumbed breads like bagels are often made at 55-60% hydration to create a stiff dough that holds its shape perfectly during boiling. Rustic country loaves typically range from 70-75%. Open-crumbed sourdoughs and ciabatta can reach 80-90% hydration, requiring advanced handling techniques. Knowing exactly where your recipe falls on this spectrum guides your baking approach from the start.
This tool also shows flour and water as a percentage of the total dough weight, giving you additional perspective on dough composition. Professional bakers, culinary students, and home bread enthusiasts all use hydration calculations as a foundation for consistent, reproducible results every time they bake.
Bread hydration is calculated using the baker's percentage formula:
Hydration (%) = (Water Weight / Flour Weight) × 100
For example, 350g water ÷ 500g flour × 100 = 70% hydration. Total dough weight is simply the sum of all ingredients. The calculator also expresses flour and water as a percentage of the total dough weight using standard percentage calculation: (ingredient weight ÷ total weight) × 100.
Hydration guide: 55-60% stiff dough, ideal for bagels and pretzels. 60-65% firm dough, good for rolls, baguettes, and rustic loaves. 65-72% medium dough, versatile for most sandwich breads and artisan loaves. 72-80% slack dough, used for sourdough, ciabatta, and focaccia. 80-90%+ very wet dough, requires stretch-and-fold technique, bench scraper work, and often baking in a pan or Dutch oven for support.
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65% hydration is classic for soft sandwich bread. The dough is smooth and easy to knead by hand, producing a fine, even crumb with a soft crust.
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80% hydration sourdough creates a very open, irregular crumb structure. This dough requires wet hands, bench scrapers, and stretch-and-fold technique rather than traditional kneading.
Beginners should start at 65-68% hydration. Doughs in this range are soft and smooth but not overly sticky, making them manageable to knead and shape without special techniques. As your skills develop, you can explore higher hydration doughs.
Absolutely. Whole wheat and rye flours absorb significantly more water than white bread flour due to their bran content. Bread flour (higher protein) also absorbs more water than all-purpose flour. If you substitute flours in a recipe, you may need to adjust hydration by 5-10% to achieve the same dough consistency.
Hydration is just one factor. Water temperature, flour age, humidity, mixing method, rest time, and autolyse all affect dough feel. A 70% hydration dough after a 30-minute autolyse will feel much smoother than the same dough immediately after mixing.
Yes, experienced bakers call this 'bassinage' — holding back 5-10% of water and incorporating it gradually. It helps adjust consistency during mixing. However, adding water to fully developed gluten can be challenging; it is best to add any extra water during the initial mixing phase.
Higher hydration doughs typically produce crispier, crunchier crusts when baked in a dry oven because more steam is released during baking. Lower hydration doughs tend to produce softer crusts. Baking in a Dutch oven traps steam from high-hydration doughs, further enhancing crust development.
Too-low hydration produces dense, dry bread with a tight, compact crumb. The dough may tear during shaping and the finished loaf will stale quickly. If your bread always turns out dense, try increasing hydration by 3-5% and see if the crumb opens up.
Eggs and milk contain significant water (eggs are about 75% water, whole milk about 88%). In enriched breads, these liquid ingredients are often included in hydration calculations. Professional bakers either calculate the water content of each liquid ingredient or note whether the hydration figure includes or excludes liquid enrichments.
Dough hydration refers to the entire formula, while preferment hydration describes the ratio within a starter, poolish, or biga. A poolish is typically 100% hydration (equal weights flour and water). A stiff biga might be 50-60% hydration. The preferment's hydration affects its fermentation speed and flavor development.
Sourdough recipes often have two ways to express hydration: overall formula hydration (including all flour and water from the starter/levain) and final dough hydration (only flour and water added at mixing). The overall formula gives the true hydration of the baked loaf.
Convert all measurements to grams first. One cup of all-purpose flour weighs approximately 120-130g; one cup of water weighs 237g. However, cup measurements are imprecise for baking. For accurate hydration calculations, always weigh ingredients on a digital kitchen scale.
Roboculator Team
The Roboculator Team explains calculations, planning tools, and practical formulas in clear language for real-life situations.
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