I want to make a preferment

Make room for a poolish, biga or levain.

Start with the flour weight and hydration of the complete recipe, then choose how much of the flour ferments in advance.

Total flour and water stay the same; only their distribution changes.

Divide your recipe

What does your dough look like?

At 20% prefermented flour, one fifth of all flour moves into the preferment. The required water moves with it.

Which preferment do you want?
Use a different hydration

Leave blank to use the usual hydration for the selected type.

Your split

Make the preferment first

Total preferment400 g
Flour in preferment
200 g
Water in preferment
200 g
Preferment hydration
100%

Add later to the final dough

Add flour
800 g
Add water
500 g

Yeast or starter quantity and ripening time depend on your schedule and temperature. This converter only divides the flour and water in your formula.

Complete the rest of your formula

Add salt, yeast or starter and then scale the full dough with the advanced calculator.

Open advanced