Hydration × flour

65% Hydration Medium Rye Flour

Moderate cells, fairly uniform. Balanced chew — not dense, not fluffy. Classic sandwich bread territory.

Outside Medium Rye Flour's typical range (80–95%) — read below for handling

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Is 65% hydration right for Medium Rye Flour?

Medium Rye Flour's workable hydration range is 80–95%. Its absorption multiplier is 1.08× bread flour. 65% is below Medium Rye Flour's typical range. The dough will be stiff and hard to fully develop. Consider moving up to 80% for better extensibility.

Absorption math for Medium Rye Flour at 65%

A recipe written for bread flour at 65% hydration, when substituted with 100% Medium Rye Flour, becomes 70% effective hydration (because Medium Rye Flour absorbs 8% more water). Do NOT knead rye dough (tears pentosan structure). Mix to incorporate, then rest. Very short bulk ferment (2-3 hours at 76°F) — rye ferments fast. Wet hands for shaping. Use a pan or tight banneton. Bake at higher initial temp (500°F) for 15 minutes, then reduce. Internal temp 205-210°F for doneness.

Technique at 65% hydration

The traditional baguette hydration. Dough feels firm and shapes easily. Good starting hydration for hearth loaves without extreme-open-crumb expectations. Autolyse 30 min, 2-3 stretch-and-folds.

Worked water math for a 500 g batch

Medium Rye Flour ingredient weights for 500 g flour at 65% hydration
Medium Rye Flour500 g (100%)
Water325 g (65%)
Salt10 g (2%)

Add your levain on top of these weights; the calculator below subtracts the flour and water it already contributes so the bench numbers land at 65% exactly.

What Medium Rye Flour gives you at 65%

At 65% hydration you can expect a moderately open, structured crumb with a crisp crust. A medium dough: three to four sets of stretch-and-folds in the first two hours build the structure, and a light dusting of flour is enough for shaping. It handles predictably.

Medium Rye Flour at 65% — FAQ

How much water do I use for Medium Rye Flour at 65% hydration?

Multiply the flour weight by 0.65. For a 500 g batch of Medium Rye Flour that's 325 g water, plus about 10 g salt (2%). Medium Rye Flour absorbs 1.08× as much water as white bread flour, so it will feel a touch stiffer than the 65% number suggests.

Is 65% hydration right for Medium Rye Flour?

65% is below Medium Rye Flour's usual 80–95% range — the dough will be stiff and hard to develop. Move up toward 80% for better extensibility.

What crumb will Medium Rye Flour at 65% give me?

Expect a moderately open, structured crumb with a crisp crust. Moderate cells, fairly uniform. Balanced chew — not dense, not fluffy. Classic sandwich bread territory.

Is Medium Rye Flour at 65% beginner-friendly?

This hydration is rated beginner. A medium dough: three to four sets of stretch-and-folds in the first two hours build the structure, and a light dusting of flour is enough for shaping. It handles predictably.

Calculator pre-set to 65%

Weights below assume 100% Medium Rye Flour. For blends, use the main calculator on a recipe page.

Flour to add
450 g
Water to add
275 g
Salt
10 g
Levain @ 100%
100 g
Total dough
835 g
Effective hydration
65%
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 65% hydration guide →

To bake this recipe you need

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The gear that makes the math work

A short, honest baking kit. The scale matters most — every weight on this page is in grams. The Dutch oven is what turns a good crumb into a great crust.

Affiliate links. As an Amazon Associate, SourdoughHydration earns from qualifying purchases at no extra cost to you.

  • Digital kitchen scale (0.1 g)Digital kitchen scale (0.1 g)

    Baker's percentage is by weight, not volume — a 0.1 g scale is what makes the math on this page accurate.

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  • Dutch oven / combo cookerDutch oven / combo cooker

    Traps steam for the first bake phase — the single biggest factor in oven spring and a blistered, glossy crust.

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  • Banneton proofing basketBanneton proofing basket

    Wicks moisture and holds shape during the final proof, so high-hydration dough doesn't spread flat.

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  • Bread lameBread lame

    A sharp lame scores clean ears — the cut that decides whether the loaf opens up or bursts at the side.

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  • Bench scraperBench scraper

    Steel scraper handles wet, sticky high-hydration dough without tearing the gluten you just built.

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  • High-protein bread flourHigh-protein bread flour

    The math assumes ~12–14% protein. Real bread flour absorbs the hydration you calculate — all-purpose won't.

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  • Danish dough whiskDanish dough whisk

    Mixes shaggy, high-hydration dough in seconds without the gluey mess of a spoon or your hands.

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Or learn the craft by ear

The numbers here are the what; a good baking book is the why. An Audible trial gets you any title free — Michael Pollan’s Cooked(the “Air” chapter is the best story ever told about why bread rises) is a perfect first listen.

Start a free Audible trial →

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Medium Rye Flour at every hydration level

Medium Rye Flour usually works between 80% and 95% hydration — drier gives a stiffer dough, wetter a slacker one. Tap a level for the technique, the absorption math and a calculator set to it.

Medium Rye Flour at each hydration level: water per 500 g of flour and how each level compares to its usual range.
HydrationWater per 500 gFor Medium Rye Flour
55%275 gDrier than usual
60%300 gDrier than usual
65%this page325 gDrier than usual
70%350 gDrier than usual
72%360 gDrier than usual
75%375 gDrier than usual
78%390 gDrier than usual
80%400 gIn its range
82%410 gIn its range
85%425 gIn its range
90%450 gIn its range
95%475 gIn its range

Sources: Central Milling — Organic Medium Rye specifications; Hamelman, Bread (3rd ed.); Robertson, Tartine Bread.