Free baking calculators, no fluff
Every tool here runs instantly in your browser. No signup, no popups, no 30-paragraph life story before the recipe. Just the math bakers actually need.
Recipe Scaler
Paste any ingredient list and scale it to a different number of servings — fractions handled for you.
Sourdough Hydration Calculator
Work out your true dough hydration including the starter, or find how much water hits a target hydration.
Baker's Percentage Calculator
Convert a formula to baker's percentages, or turn percentages into gram weights for any batch size.
Cake Pan Size Converter
Recipe written for a 9-inch round but you only have an 8×8 square? Get the exact scaling factor.
Cups to Grams Converter
Convert cups, tablespoons and teaspoons to grams for flour, sugar, butter and 15+ other baking staples.
Why these tools exist
Baking is chemistry, and chemistry is ratios. Scaling a recipe by hand, guessing what "1 cup of flour" weighs, or converting a loaf formula between pan sizes is where most home bakes quietly go wrong. Each calculator here does one job, does it accurately, and shows its work so you learn the ratio instead of just the answer.
Everything is free and always will be. If a tool saved your bake, you can leave a small tip — but you never have to.