Hydration × flour
70% Hydration Spelt Flour
Medium cells with some larger bubbles. Noticeable holes appearing. Chewy, moist, balanced.
✓ Within Spelt Flour's workable range (60–70%)
Is 70% hydration right for Spelt Flour?
Spelt Flour's workable hydration range is 60–70%. Its absorption multiplier is 0.96× bread flour. At 70%, you are in the sweet spot — the dough will handle predictably and produce the crumb described above.
Absorption math for Spelt Flour at 70%
A recipe written for bread flour at 70% hydration, when substituted with 100% Spelt Flour, becomes 67% effective hydration (because Spelt Flour absorbs 4% less water). Short autolyse (20-30 min max). Gentle stretch-and-folds (2 sets). Shorter bulk ferment (15-20% less time than bread flour). Spelt over-proofs quickly — watch for signs and shape slightly underproofed. Cold retard is essential for handling.
Technique at 70% hydration
Dough becomes visibly softer and stickier. Use wet hands or bench scraper. Starts requiring more careful handling to avoid degassing. Autolyse 45-60 min helps develop structure.
Worked water math for a 500 g batch
| Spelt Flour | 500 g (100%) |
| Water | 350 g (70%) |
| Salt | 10 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 70% exactly.
What Spelt Flour gives you at 70%
At 70% hydration you can expect an open, custardy crumb with irregular holes and good chew. 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.
Spelt Flour at 70% — FAQ
How much water do I use for Spelt Flour at 70% hydration?
Multiply the flour weight by 0.7. For a 500 g batch of Spelt Flour that's 350 g water, plus about 10 g salt (2%). Spelt Flour absorbs 0.96× as much water as white bread flour, so it will feel a touch wetter than the 70% number suggests.
Is 70% hydration right for Spelt Flour?
Yes — Spelt Flour's workable range is 60–70%, and 70% sits inside it, so the dough handles predictably and gives an open, custardy crumb with irregular holes and good chew.
What crumb will Spelt Flour at 70% give me?
Expect an open, custardy crumb with irregular holes and good chew. Medium cells with some larger bubbles. Noticeable holes appearing. Chewy, moist, balanced.
Is Spelt Flour at 70% beginner-friendly?
This hydration is rated intermediate. 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 70%
Weights below assume 100% Spelt Flour. For blends, use the main calculator on a recipe page.
- Flour to add
- 450 g
- Water to add
- 300 g
- Salt
- 10 g
- Levain @ 100%
- 100 g
- Total dough
- 860 g
- Effective hydration
- 70%
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.