Free baking tools

Sourdough calculators.

Work out your dough ingredients or your next starter feed. Every calculation includes the flour and water in your starter.

A large round artisan loaf with a golden, crackled crust, held in a cloth against a dark background.01 / FORMULA

Dough calculator

Calculate flour, water, salt and starter from your target dough weight. Set hydration and prefermented flour to match your formula.

Calculate ingredients ↗
A crusty sourdough loaf opened to reveal a light crumb with large, irregular air pockets.02 / FEEDING

Starter feeding calculator

Choose a seed : flour : water ratio, work out each weight and keep a reserve for your next feed.

Calculate a feed ↗
03 / SCHEDULE

Bake-day planner

Enter the time you want to put the loaf in the oven. Work backwards using your own estimates for each stage, then download the plan.

Sketch a schedule ↗
04 / OBSERVATIONS

Your bake log

Keep ingredients, temperatures, stage timings and your next change on one page. Download your record or print a blank sheet.

Record a bake ↗