Sourdough Starter Calculator
Calculate flour, water, and starter amounts for feeding your sourdough starter. Adjust hydration, inoculation rate, and feeding schedule.
Inputs
Results
Flour
80 g
Water80 g
Existing Starter40 g
Est. Peak Time6 hrs
Actual Hydration100%
How to Use This Calculator
- Enter the target total weight of finished starter in grams.
- Set the desired hydration percentage (100% = equal flour and water by weight).
- Enter the inoculation percentage (existing mature starter as % of new batch).
- Select your feeding schedule (once or twice daily).
- The calculator shows flour, water, and existing starter amounts, estimated peak time, and actual hydration.
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