Cooking & Kitchen Tools

Free cooking and kitchen calculators that run entirely in your browser — recipe scaler, cups-to-grams by ingredient, air-fryer and oven/gas-mark conversion, cake-pan sizing, baker's percentage and hydration, pizza dough, coffee ratios, roast and turkey times, safe meat temperatures, ingredient substitutions and more. Nothing is uploaded.

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Recipe Scaler / Multiplier

Scale any recipe up or down by a factor or by servings — quantities re-render as clean fractions.

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Cups to Grams Ingredient Converter

Convert cups, tablespoons and teaspoons to grams and ounces using per-ingredient baking densities.

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Air Fryer Conversion Calculator

Convert an oven temperature and time to air-fryer settings: lower the heat and cut the cook time.

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Oven Temperature Converter (°C / °F / Gas Mark)

Convert oven temperatures between Celsius, Fahrenheit and UK gas mark, with fan-oven equivalent.

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Baking / Cake Pan Size Converter

Swap cake pan sizes safely: compare pan volumes and get the exact factor to scale your recipe.

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Baker's Percentage / Hydration Calculator

Convert bread formulas between baker's percentages and gram weights and read the dough hydration.

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Pizza Dough Calculator

Work out flour, water, salt, yeast and oil for any number of pizza dough balls at your chosen hydration.

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Coffee-to-Water Ratio Calculator

Work out how many grams of coffee and how much water for any brew method — drip, pour-over, French press, AeroPress, cold brew or espresso.

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Roast & Turkey Cooking Time Calculator

Estimate roasting time for turkey, chicken, beef, pork, ham or lamb by weight — plus the clock time to put it in the oven.

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Meat Doneness & Safe Internal Temp Guide

Look up safe internal cooking temperatures for chicken, beef, pork, fish, lamb and ham in °F and °C, with doneness levels.

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Ingredient Substitution Finder

Out of an ingredient? Search common baking and cooking substitutions with exact quantities — buttermilk, eggs, baking powder, butter and more.

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Butter Converter (Sticks, Cups, Grams, Tbsp, Oz)

Convert butter between sticks, cups, tablespoons, grams and ounces instantly — enter any amount and see all units at once.

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Yeast Converter (Active Dry, Instant, Fresh)

Convert between active dry, instant (rapid-rise) and fresh cake yeast by weight — enter grams of one and get the equivalents.

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Rice & Grain Water Ratio Calculator

Get the right water amount, cook time and cooked yield for rice and grains — white, basmati, brown, quinoa, barley and more.

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Turkey Thaw & Roast Time Calculator

Enter turkey weight and stuffed or unstuffed to get refrigerator and cold-water thaw times, the roast time at 325°F, and a start time to hit your serving hour.

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Perfect Boiled Egg Timer

Get the exact soft, medium, or hard boiled-egg cook time adjusted for egg size, whether eggs start cold or at room temperature, and your cooking altitude.

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Brine Salt Calculator

Calculate the exact salt and optional sugar weight to hit a target brine strength for your water volume, with an equilibrium mode that also factors in the meat weight.

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Fresh ↔ Dried Herb Converter

Convert a fresh-herb amount to the equivalent dried amount (or the reverse) using the standard 3-to-1 potency ratio, in teaspoons and tablespoons.

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Cold Brew Coffee Calculator

Compute the coffee grounds and water for cold brew at any concentrate strength or ready-to-drink, and estimate the finished yield after the grounds absorb water.

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