Feed, time & convert your sourdough starter
When you mix the feed (defaults to now).
When you'll mix your dough — the starter should be at its peak then.
When you set off. The starter is prepared before this.
When you'll mix your first dough after getting back.
Mature Starter
7g
Flour
36g
Water
Expected Peak
17:30today
Notes
Nick's Sourdough Starter Calculator · drye.co.uk
Flour to Add
0g
Water to Add
New Total
Wholegrain and rye flours ferment faster.
Total After Feed
100g
Discard
Seed vs Flour
20%
Total Flour
50g
Total Water
Peak Window
7–10h
Times are estimates for a healthy, active starter. Every starter is different — note how yours behaves and adjust.