Planning tool
Sourdough Calculator
Calculate flour, water, starter, salt, and final dough weight from baker's percentages.
Runs in your browserResult
- Flour to add
- 450 g
- Water to add
- 310 g
- Starter
- 100 g
- Salt
- 10 g
- Final dough weight
- 870 g
- Prefermented flour
- 10%
Total flour includes flour inside the starter. Flour absorption, temperature, fermentation schedule, and handling may call for hydration adjustments.
How to use this sourdough calculator
- Enter the flour or dough target, hydration, starter or yeast, salt, and batch size shown above.
- Review the calculated totals, units, and assumptions. Check the inputs and units before relying on the result.
- Change one input at a time to compare another case, then copy or save the result you plan to use.
About this sourdough calculator
Use the Sourdough Calculator to calculate flour, water, starter, salt, and final dough weight from baker's percentages. Change the inputs to compare another result.
You can also use it to compare results after changing one input.
Example
Enter the target flour, hydration, starter percentage, and salt to scale one loaf or a full batch by baker's percentage.
Common uses
- → calculate flour, water, starter, salt, and final dough weight from baker's percentages
- → compare results after changing one input
- → save an estimate for planning or comparison