Cooking Tools
Sourdough Starter Feeding Calculator
Enter how much starter you're keeping and your feeding ratio to calculate flour and water needed.
250g
flour to add
250g
water to add
Total after feeding: 550g. A 1:5:5 ratio (the default) is common for once-daily feeding at room temperature; a smaller ratio like 1:1:1 is common for twice-daily feeding or a more sluggish starter.
How to use this tool
- 1Enter the amount of starter you're keeping.
- 2Enter your feeding ratio (starter:flour:water).
- 3See flour and water needed.
Frequently asked questions
What ratio should I use?+
1:1:1 is common for twice-daily feeding of an active starter; 1:5:5 or higher is common for once-daily feeding or a slower rise.