About the Baker's Percentage Calculator
Baker’s percentage expresses every ingredient as a percentage of the flour weight, so flour is always 100%. It makes recipes instantly comparable and trivially scalable — a 75% hydration dough means 75 g of water for every 100 g of flour, whether you are making one loaf or a hundred.
Also known as: bakers math, bread percentage calculator, flour percentage, dough formula calculator.
How to use this calculator
- Enter calculate, flour, water, salt and the other fields.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
ingredient % = ingredient weight ÷ flour weight × 100
Worked example
Using the values pre-filled in the calculator above:
- Calculate: Weights from percentages
- Flour = 1,000 g
- Water = 70
- Salt = 2
- Yeast = 1
- Starter or levain = 20
- Other (oil, sugar) = 0
the calculator returns:
- Total dough weight: 1,930 g
- Flour: 1000 g (100%)
- Hydration: 80 %
- Water: 700 g (70%)