Kitchen math, measured out for you.

The Well-Marinated Figures for the Seasoned Cook. 76 free calculators for converting, scaling, roasting, and hosting — no sign-up, no guesswork.

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An overhead spread of fresh bread, tomatoes, mozzarella, prosciutto, and produce on a kitchen counter

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Seven categories covering everyday cooking math, party-size planning, and substitutions.

Measurement & Conversion photo
10 calculators

Measurement & Conversion

Convert cups to grams, ovens to air fryers, cans to cups, and metric to imperial without the guesswork.

Recipe Scaling & Baking photo
9 calculators

Recipe Scaling & Baking

Scale recipes up or down, work in baker's percentages, swap pan sizes, and dial in bread hydration.

Meat & Doneness photo
10 calculators

Meat & Doneness

Safe internal temperatures, roast and turkey timing, smoking schedules, and sous vide settings.

Entertaining & Party Planning photo
25 calculators

Entertaining & Party Planning

How much food and drink to buy for a crowd — cake, pizza, wine, ham, prime rib, pulled pork, and wings.

Drinks & Coffee photo
4 calculators

Drinks & Coffee

Dial in your coffee-to-water ratio and scale cocktail recipes up to batch size.

Kitchen Planning & Reference photo
7 calculators

Kitchen Planning & Reference

Cost out a recipe, check how long food keeps, and figure out how to safely reheat leftovers.

Substitutions & Special Diets photo
11 calculators

Substitutions & Special Diets

Out of eggs, buttermilk, or heavy cream? Swap in the right substitute at the right ratio for baking, dairy-free, and vegan cooking.

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The most-used calculators on ChefCalcs.

Measurement & Conversion

Cups to Grams Converter

Convert cups of flour, sugar, butter and more into grams.

Meat & Doneness

Meat Internal Temperature Guide

USDA-safe minimum temperatures by meat type and doneness.

Meat & Doneness

Turkey Cooking Time Calculator

Estimate roasting time by weight, stuffing, and oven temperature.

Entertaining & Party Planning

Wedding Alcohol Calculator

Figure out how much wine, beer, and liquor to buy for a wedding.

Drinks & Coffee

Coffee Ratio Calculator

Get the right coffee-to-water ratio for your brew method.

Substitutions & Special Diets

Egg Substitute Calculator

Find the right egg substitute and ratio for baking, binding, or leavening.

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