This sourdough starter feeding reference table shows the flour to add for a range of starter weight values, assuming a flour ratio of 1 and a water ratio of 1. Every figure is computed with the same engine that powers our Sourdough Starter Feeding Calculator, so the numbers are exact.
| Starter weight | Flour to add | Water to add | Total after feeding |
|---|---|---|---|
| 13 g | 13 | 13 | 39 |
| 25 g | 25 | 25 | 75 |
| 38 g | 38 | 38 | 114 |
| 50 g | 50 | 50 | 150 |
| 75 g | 75 | 75 | 225 |
| 100 g | 100 | 100 | 300 |
| 150 g | 150 | 150 | 450 |
| 250 g | 250 | 250 | 750 |
| 350 g | 350 | 350 | 1,050 |
| 500 g | 500 | 500 | 1,500 |
How to use this table
Find the row closest to your starter weight and read across to the flour to add. For a value between two rows, the real figure sits between them — or enter your exact numbers in the Sourdough Starter Feeding Calculator for a precise answer.
Need a value that is not in the table? — the Sourdough Starter Feeding Calculator does it instantly, for free, with the formula and a worked example built in.
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