Required amount of water for the sourdough

Calculate the water amount needed for making sourdough usually for bread - based on starter amount, flour amount and desired hydration percentage of sourdough.

Assuming that starter is made of 100% hydration (same amount of water and flour).

Starter weight

Total amount of starter in grams - usually a combination of water and flour

Flour weight

The total amount of flour you want to use in grams

Desired percentage

Desired percentage of sourdough hydration

Water amount

The amount of water in grams that needs to be added to achieve the desired percentage of hydration of the sourdough.