Hydration × flour

80% Hydration High-Extraction Flour

Very open irregular crumb with large holes. Very moist, glossy. Focaccia-like texture when pan-baked.

✓ Within High-Extraction Flour's workable range (7282%)

Is 80% hydration right for High-Extraction Flour?

High-Extraction Flour's workable hydration range is 7282%. Its absorption multiplier is 1.03× bread flour. At 80%, you are in the sweet spot — the dough will handle predictably and produce the crumb described above.

Absorption math for High-Extraction Flour at 80%

A recipe written for bread flour at 80% hydration, when substituted with 100% High-Extraction Flour, becomes 82% effective hydration (because High-Extraction Flour absorbs 3% more water). Autolyse 45-60 min. 3-4 stretch-and-folds. Supports 78-80% hydration reliably. Excellent base for country-loaf-style hearth breads.

Technique at 80% hydration

Dough is sticky and slack. Requires 4+ coil folds. Wet hands throughout all handling. Shape only after cold retard. Free-form shaping becomes difficult — consider pan shapes.

Calculator pre-set to 80%

Weights below assume 100% High-Extraction Flour. For blends, use the main calculator on a recipe page.

Flour to add
450 g
Water to add
350 g
Salt
10 g
Levain @ 100%
100 g
Total dough
910 g
Effective hydration
80%
How the math works

Total water = flour × hydration %. Your levain contributes 50 g flour + 50 g water — both count toward the totals. You add only the remainder as fresh flour and water.

Salt % is computed on total flour weight, not final-dough flour.

Open 80% hydration guide →

Sources: Central Milling — Artisan Bakers Craft Plus (T85 equivalent); Hamelman, Bread (3rd ed.); Robertson, Tartine Bread.