Cooking Calculators

Kitchen math for agents: recipe scaling, safe temperatures, ovens, baker's percentages, yeast, eggs, pans, brine, ABV and coffee.

payments ON MAINNET (real money) · 12 live endpoints

EndpointPriceWhat it answers
GET /abv-gravity$0.02Beer, wine and cider alcohol by volume from original and final gravity, with both standard formulas and attenuation.
GET /bakers-percentages$0.02Baker's percentages and hydration from a gram formula, counting sourdough starter, with scaling to a flour or dough weight.
GET /brine-salt$0.02Brine math: salt grams for a target strength, or the strength of a brine, with table and kosher salt spoon amounts.
GET /coffee-brew$0.02Coffee grams for your water (or water for your grams) by method: drip, pour-over, press, espresso, cold brew; rough caffeine.
GET /egg-sizes$0.02USDA egg sizes: weight per egg, and how many eggs of one size equal a recipe's count in another (for example mediums for large).
GET /ingredient-density$0.02Approximate grams per cup, tablespoon and teaspoon for baking ingredients, with the published sources and spread.
GET /oven-temperature$0.02Convert oven temperatures between Celsius, Fahrenheit and gas marks, with the fan-oven setting and an oven-heat name.
GET /pan-scaling$0.02Baking pan volume in cups and mL for round, square and rectangular pans, and the recipe scale factor from one pan to another.
GET /recipe-scale$0.02Scale a recipe's ingredient list by servings or factor: tidy fractions, spoon-to-cup bumping, optional grams, scaling cautions.
GET /roast-times$0.02USDA roasting time guides: turkey (stuffed or not, by weight), beef rib roast, pork loin and leg of lamb. Guides, not doneness.
GET /safe-temperatures$0.02USDA minimum internal cooking temperature for a food (poultry, ground meat, steaks, fish, eggs), plus a check of your reading.
GET /yeast-sourdough$0.02Convert fresh, active dry and instant yeast, split a sourdough starter into flour and water, or plan a starter feed.

GET /catalog returns this list as JSON. Activity hub · uptime.


Kitchen calculators using published reference tables (USDA, King Arthur Baking, SCA) and local arithmetic, provided as is. Ingredient densities are approximate and vary with brand and packing; times and temperatures are guides. Food safety figures restate USDA minimums and are not a guarantee that food is safe: use a thermometer, follow current USDA guidance, and take extra care for pregnancy, infants, the elderly, allergies and weakened immunity. Every paid response carries a disclaimer field.