- Sourdough Schedule Calculator: Plan Your Bake Backward from the OvenPick the time your loaf goes in the oven and your kitchen temperature. Get when to feed the starter, mix, shape and chill, scaled from your own last bake.
- Baker's Percentage Calculator for Sourdough (Grams to % and Back)Convert a sourdough recipe between grams and baker's percentages. Flour is always 100%; every other ingredient is a percent of the flour weight.
- Sourdough Hydration Calculator (Including the Starter)Calculate the true hydration of a sourdough dough, counting the flour and water inside your starter, for any starter hydration.
- Sourdough Starter Feeding Ratio Calculator (1:1:1, 1:2:2, 1:5:5)What feeding ratios like 1:1:1 and 1:5:5 mean, and how much starter, flour and water to mix to end up with exactly the amount of starter you need.
- How Much Sourdough Starter to Use (Calculator by Flour Weight)Work out how many grams of starter a recipe calls for from its percentage of the flour, and how much flour and water that starter adds to the dough.
- Sourdough Fermentation Temperature: What 64–86 °F DoesHow kitchen temperature speeds up or slows down sourdough, from a published model of sourdough yeast and bacteria, with a time-factor table from 64 to 86 °F.
- Desired Dough Temperature Calculator: What Water Temperature to UseFind the water temperature that gets your sourdough to the dough temperature you want, from flour, room and starter temperatures. Includes the friction factor.
- How Much Salt in Sourdough? Salt Percentage CalculatorTurn a salt percentage into grams for your flour weight, or grams back into a percentage, counting the flour in your starter if you choose. Includes the math.
- Sourdough Bulk Fermentation Time at Different TemperaturesEnter how long your bulk fermentation took and its temperature. See how long it would take at other dough temperatures, from a model of sourdough yeast growth.
- Sourdough Recipe Scaler: Scale Any Recipe Up or DownScale a sourdough recipe to a different number of loaves or a target dough weight. Every ingredient changes by the same factor, so baker's percentages stay put.
- Starter Hydration Converter: Change a 100% Starter to 50%, 75% or 125%Work out how much water to add to your starter and flour to move it from one hydration to another, such as 100% to 75%, and what that does to your dough.
- Sourdough Discard Calculator: How Much to Keep and FeedFind how much starter to keep, discard and feed each time, and how much flour a week of feedings uses, for any feeding ratio like 1:1:1 or 1:5:5.
- Sourdough Starter Not Rising? Check Temperature, Ratio, FlourA practical checklist for a sluggish sourdough starter, with temperature context from a published sourdough growth model.
- Levain Build Calculator: How Much to Build for a RecipeWork out how much levain a recipe needs from its percentage of the flour, then how much starter, flour and water to mix, and what that levain adds to the dough.
- Sourdough Pizza Dough Calculator: Ingredients for Any Number of PizzasEnter how many dough balls you want and what each weighs, plus your water, starter and salt percentages. Get the grams of flour, water, starter and salt.
Every calculator shows its formula and its source. Dough varies, so use the results as a plan to adjust, not a guarantee.