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All calculators and guides

Every free tool and reference page on Ingredient Calculator, 39 in all, grouped by the job it does. All of them run in your browser with no account.

Scale a recipe

Recipe scaler, unit converter, substitutions and nutrition

Scale any recipe, convert cooking units, find ingredient substitutions, and estimate nutrition. Free, no signup required.

Serving Size Calculator

Type your recipe, set how many people you are feeding, and every ingredient rescales in cups or grams. Party mode for 25, 50 and 100 guests. Free.

How to Scale a Recipe

Paste your ingredient list and scale it. Leaveners, salt and strong spices get their own multiplier instead of one blanket factor, with the Culinary Institute of America rules, pan area math and baking time curves shown for every line.

Scale a recipe, weigh a cup, match a pan

Scale a recipe up or down, convert cups to grams, and match pan sizes by area. Honest salt, spice, and leavening math with sources shown next to every result.

Recipe yield calculator

Weigh a batch before and after cooking, enter both numbers, and get yield percent, loss, portion count, and cost per finished pound in your browser.

Vegetable Yield Percentage

Enter raw weight and cleaned, trimmed weight to get the yield percentage for any vegetable. Then see exactly how much extra to buy so the recipe gets what it needs.

Convert units

Cups to Grams Converter

Flour, sugar, butter and 32 more weigh differently per cup. Pick the ingredient, type any amount like 1 3/4 cups, and get grams. Full 35-ingredient chart.

Cups to Ounces

Convert cups to ounces for 35 ingredients. A cup is 8 fluid ounces by volume but only 4.23 ounces of flour by weight. Free, ingredient aware, sources shown.

Millilitres to Cups

Convert millilitres to cups for the US customary cup (236.59 ml), the US legal cup (240 ml), metric (250 ml), imperial and Japanese. Shows what using the wrong cup costs in grams.

Grams to Ounces

Convert grams to ounces and back with 2 decimal precision. 100 g of flour is 3.53 ounces, and a fluid ounce is not an ounce of weight. Free, instant, no sign up.

Grams to Tablespoons

One tablespoon of butter weighs 14 grams, but a tablespoon of flour weighs about 7.5, so the answer depends on the ingredient. Convert either direction for 28 common ingredients.

Tablespoons to Grams

Convert tablespoons to grams for 30 ingredients. One tablespoon of butter is 14 grams and a tablespoon of honey is 21 grams, so the ingredient decides the answer.

Flour grams per cup

Flour grams per cup by type, from 113 g whole wheat to 127 g bread flour, with a converter that turns cups into grams and ounces.

Sugar grams, per cup

A cup of granulated sugar weighs 200 grams. Brown sugar packed into the same cup weighs 213 grams and powdered sugar only 120. Converter plus tables for every sugar type.

Half cup in grams, by ingredient

Half a cup of all-purpose flour weighs 60 g, granulated sugar 100 g and butter 113 g, with a picker for 35 ingredients and every common fraction.

Recipe Unit Converter

Free recipe unit converter. Convert between cups, grams, ounces, milliliters, tablespoons, teaspoons, Fahrenheit, Celsius and more. US, metric, and imperial cooking measurements.

US to Metric Recipe Converter, Ingredient-Aware Unit Conversion

Free US to metric recipe converter with ingredient-aware rounding. Paste any recipe to auto-convert cups, tablespoons, teaspoons, ounces, and Fahrenheit to grams, milliliters, and Celsius. Smart density-based conversion for accurate baking.

Cooking Measurement Converter, Ingredient-Specific Weights

Free smart cooking measurement converter with ingredient-specific weights. Convert between cups, tablespoons, teaspoons, ounces, grams, milliliters, and more with density-aware calculations for 70+ ingredients. Instant bidirectional conversion.

Baking and bread

Baking Ratios Calculator

Free baking ratios calculator. Scale classic baking formulas, pound cake, cookie dough, pie crust, bread, biscuits and more. Enter total weight and get exact ingredient amounts.

Baker's Percentage Calculator, Hydration Analysis

Free baker's percentage calculator with hydration analysis. Enter flour weight, get all ingredient amounts via baker's percentages. Presets for sandwich bread, sourdough, pizza, brioche, and focaccia.

Baker's Percentage

Turn any recipe into baker's percentages: each ingredient as a share of the flour weight, flour always 100. Scale any formula to any batch size.

Sourdough Hydration

Work out true sourdough hydration with the starter counted. Handles any starter hydration including above 100 percent, shows the flour and water split, and gives the salt weight. Sources shown.

Sourdough starter feeding calculator

Plan single or linked starter feedings in grams, size the initial seed for your recipe plus reserve, and track flour and water through each feed under full-carryover assumptions.

Egg Size Conversion Calculator

Convert a number of eggs from one size to another by edible weight. Uses the USDA FoodData Central portions for small, medium, large, extra large and jumbo eggs, and shows the USDA weight classes.

Cost

Recipe ingredient cost calculator

Plan recipe ingredient costs across batches, use pantry stock once, and compare new package spending, cost per serving and leftovers.

Recipe Cost Per Serving

Price any recipe per serving from your own receipt. Enter what you paid for each ingredient, how much you actually used, and get a true cost per plate.

Meal Prep Cost Calculator, Homemade vs Delivery vs Meal Kit

Free meal prep cost comparison calculator. Compare the true cost of homemade cooking vs meal kit delivery vs restaurant delivery vs fast food. Includes grocery costs, time value, equipment amortization, and annual savings projections.

Substitutes and allergens

Egg Substitute Calculator

Free egg substitute calculator for baking. Find the perfect egg replacement, flax eggs, applesauce, banana, aquafaba, and more. Vegan and allergy-friendly options with exact measurements.

Allergen-Free Ingredient Substitutes Calculator

Find safe allergen-free ingredient substitutes for dairy, eggs, gluten, nuts, and soy. Interactive calculator with 30+ substitutions, exact ratios, and taste notes for baking and cooking.

Food Allergen Cross-Reactivity Database, Interactive Allergy Risk Assessment

Free food allergen cross-reactivity database with interactive risk assessment. Explore cross-reactive relationships between 14 major allergen groups, check ingredient safety, and understand which foods may trigger reactions based on your known allergies.

Dietary Restriction Guide, Interactive Ingredient Checker & Substitutions

Free dietary restriction guide with interactive ingredient checker. Select vegan, gluten-free, dairy-free, nut-free, kosher, halal, keto, or paleo restrictions. Scan recipes for restricted ingredients and get safe substitution suggestions.

Nutrition

Recipe Nutrition Estimator, Paste Any Recipe, Get Nutrition Facts

Free recipe nutrition estimator. Paste any recipe to get estimated calories, protein, carbs, fat, fiber, and sodium per serving. Auto-detects ingredients and quantities with a built-in USDA nutrition database.

Macronutrient Calculator, Daily Macro Targets & Meal Plan

Free macronutrient calculator to find your daily protein, carbs, and fat targets. Enter your stats, get personalized TDEE, macro split, and meal timing suggestions for weight loss, maintenance, or muscle gain.

Smoothie Recipe Builder, Nutrition Balancing & Custom Blends

Free smoothie recipe builder with real-time nutrition balancing. Build custom smoothies from 60+ ingredients, see calories, protein, carbs, fat, and fiber update live, then copy your recipe. Includes preset smoothie templates for post-workout, green, tropical, and protein smoothies.

Portion Size Guide, Visual Serving Sizes & Calorie Estimator

Free interactive portion size guide with visual comparisons. Deck of cards = 3oz meat, tennis ball = 1 cup. Calorie estimator per portion, meal plate builder with protein, carbs, and vegetable zones.

Glycemic Index Calculator, GI/GL with Meal Planning Optimization

Free glycemic index calculator with glycemic load per serving, meal GL optimizer, traffic light system, daily GL tracker, and side-by-side food comparison. Build low-GI meals backed by a 50+ food database.

Daily Vitamin & Mineral Intake Tracker, With Food Source Suggestions

Free interactive daily vitamin and mineral tracker. Track your intake of 25+ essential nutrients, get personalized food source suggestions, and see how your diet measures up against recommended daily values.

Protein Calculator Daily Protein Needs by Body Weight & Goal

Free protein calculator: enter your body weight and fitness goal to get your exact daily protein target in grams. Includes meal distribution across 3 to 6 meals and top food sources with protein per serving.

Hydration Calculator How Much Water You Need Daily

Free hydration calculator: find out how much water you need each day based on your weight, activity level, climate, and caffeine intake. Includes hourly drinking timeline and exercise adjustments.