Find out exactly when your sourdough starter will be ready to bake with based on feeding ratio, temperature, flour type, and feeding time.

Create custom sourdough feeding ratios and calculate exact flour, water, and total starter amounts. Supports fully customizable starter, flour, and water ratios.

Calculate the ideal sourdough starter feeding ratio based on when you need your starter to peak. Instantly determine how much starter, flour, and water to use for any baking schedule.

Estimate when your sourdough starter will reach peak activity based on feeding ratio, temperature, and flour type.

Plan when to feed your sourdough starter so it reaches peak activity exactly when you are ready to bake.