A little about us
About Sourdough Calculator
Less time doing the math. More time making bread.
A simple tool for home bakers
Sourdough Calculator is an independent, free online tool for home bakers. Choose your loaf quantity, dough weight and dough style to get a clear weighing list for flour, water, active starter and salt.
Our aim is to make recipe planning approachable, whether you are shaping your first loaf or adjusting the hydration of a familiar recipe. Advanced settings let you account for the flour and water already in your starter.
Who makes this website?
This website is created and maintained by its independent site owner, who can be reached at 719171130@qq.com. Questions, corrections and practical suggestions from bakers are welcome.
How the calculator works
The calculator uses total flour weight as the basis for baker’s percentages. It includes the flour and water in your starter, fixes salt at 2% of total flour, and rounds the ingredients to whole grams while keeping their sum equal to your target dough weight.
Your recipe inputs are processed in your browser. You do not need an account, and the calculator does not send your recipe inputs to a recipe server.
A starting point for your baking
Ingredient weights are just one part of making bread. Flour, starter activity, fermentation and technique all affect the result. Use the recipe as a starting point alongside a baking method you trust.