Baking and cooking math, done for you
Thirty-five free calculators and reference guides for the kitchen math that actually matters — from baker's percentages to how much soup to make for a crowd.
New to Cooking or Baking?
Start here — no experience needed. What to buy, the techniques that matter, and what to make first.
Find It on Amazon
Search Amazon directly for kitchen tools, bakeware, and appliances.
From Our Kitchen
Soup, Stew & Chili Recipe Book
50 recipe spreads, with the stock, thickening, and chili style guides built in.
Air Fryer Recipe Book
50 recipe spreads, plus cook times, the oven conversion rule, and a cleaning guide.
BBQ Recipe Book
50 recipe spreads, plus rub ratios, wood pairings, and smoker temperature guides.
Slow Cooker Recipe Book
50 recipe spreads, plus oven-to-slow-cooker conversion times and serving guides.
Family Recipe Keeper
50 recipe spreads for everything else — the general keeper for family favorites.
Baking Recipe Book
50 recipe spreads, plus pan size conversions, baker's percentages, and flour types.
Baking Math
Baker's Percentage Calculator
Ingredient weights from flour weight and percentages, or work backward from a target dough weight.
Recipe Scaling Calculator
Scale any ingredient amount up or down between two yields.
Hydration Percentage Calculator
Find your dough's hydration, or the water needed to hit a target.
Sourdough Starter Feeding Calculator
Exact flour and water for any starter feeding ratio.
Yeast Conversion Calculator
Convert between active dry, instant, and fresh yeast by weight.
Pizza Dough Calculator
Flour, water, salt, and yeast weights for any number of dough balls.
Pizza Dough Recipe Generator
A complete recipe — ingredients plus method — for your style and schedule.
Bread Proofing Time Estimator
Adjust a recipe's proof time for a warmer or cooler kitchen.
Conversions & Substitutions
Volume to Weight Converter
Cups to grams (or back) for flour, sugar, butter, and more.
Pan Size Conversion Calculator
Adjust a recipe for a different pan, based on surface area.
Oven Temperature Conversion
Fahrenheit, Celsius, and UK gas mark, converted instantly.
Egg Size Substitution Calculator
Convert a recipe's egg count between small, medium, large, and jumbo.
Butter Substitution Calculator
Convert butter to oil, shortening, margarine, or coconut oil.
Herb Substitution Chart
Fresh to dried conversion, plus common herb-for-herb swaps.
Spice Conversion Chart
Whole to ground spice conversion, and why the ratio isn't 1:1.
Dry to Cooked Rice Calculator
Convert dry rice to cooked (or back), by rice type.
Flour Types Explained
What separates AP, bread, cake, pastry, and 00 flour — and when to use each.
Ingredient Substitution Finder
Buttermilk, cake flour, baking powder, and other common swaps.
Meat & Roasting
Internal Meat Temperature Guide
USDA safe minimums, plus common beef doneness temperatures.
Turkey Cooking Time Calculator
Estimated roasting time by weight, stuffed or unstuffed.
Brine Calculator
Salt (and sugar) by weight and target salinity, not guesswork.
Meat Thawing Time Estimator
Refrigerator or cold water thawing time by weight.
Vegetable Roasting Times
Typical roast times by vegetable at 400–425°F.
Grilling & BBQ
Grill & Smoker Temperature Guide
Smoker temp, target internal temp, and approximate time for brisket, pulled pork, ribs, and more.
Rub Ratio Calculator
How much dry rub to use for any cut of meat, by weight.
Wood Pairing Chart
Which smoking wood pairs with which meat, and why.
Soups, Stews & Chili
Thickening Calculator
How much cornstarch, flour, arrowroot, or potato starch to thicken a soup, stew, or chili.
Stock & Broth Ratio Guide
Bones-to-water ratios and simmer times for chicken, beef, vegetable, and fish stock, plus bone broth.
Chili Style Guide
Texas, Cincinnati, New Mexico, Midwest, white chicken, and vegetarian chili, compared side by side.
Serving & Meal Planning
Pasta Serving Calculator
How much dry pasta to cook for a given number of people.
Soup Serving Calculator
Batch size for a crowd, as a main course or a starter.
Chili Serving Calculator
How much chili to make, from a family dinner to a cook-off.
Leftover Calculator
Servings remaining, plus how long common leftovers stay safe.
Coffee Ratio Calculator
Coffee-to-water ratio by weight, either direction.
Appliance Conversions
Air Fryer Conversion Chart
Convert oven temperature and time to air fryer settings.
Air Fryer Cook Times Chart
Temperature and time for chicken, steak, seafood, frozen foods, and vegetables.
Slow Cooker Conversion Chart
Convert oven or stovetop time to slow cooker Low or High.
Dutch Oven Size Guide
Common sizes, typical diameter, and what each is good for.
From Our Kitchen: Recipe Books
Write-in recipe books with room for every ingredient, cook time, and note — plus the reference charts from this site built right in.
Soup, Stew & Chili Recipe Book
Air Fryer Recipe Book
BBQ Recipe Book
Slow Cooker Recipe Book
Family Recipe Keeper
Baking Recipe Book
Why weight-based baking math, not just recipes
Cups and tablespoons are convenient, but they're not consistent — the same "1 cup of flour" can vary by 10-20% in actual weight depending on how it's measured. Every calculator on this site that touches baking works in weight and percentages wherever it matters, the way professional bakers actually think about a formula, so the numbers hold up whether you're making one loaf or ten.
Reference numbers, not a guarantee
Every calculator here is built on standard, commonly published reference data — but your specific oven, ingredients, altitude, and equipment all introduce real variation. Use these as a solid starting point and confirm doneness (with a thermometer, a toothpick, or your own judgment) rather than trusting a number alone.