Free Cooking Calculators

Practical tools for the kitchen. No signup, no paywall — just useful math.

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Cups → Grams Converter

Convert any cooking ingredient between US, metric, and UK measurements. 60+ ingredients with density-accurate ratios.

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Recipe Cost Calculator

Pack-price or per-unit pricing, automatic cost-per-serving, pantry-staple exclusion, ranked ingredient-share bar chart, multi-currency, save/load.

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Calorie Estimator

USDA-derived 150+ food database. Density-aware unit conversion. Calories + macros per serving and total. Manual override for unmatched ingredients.

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Temperature Adjuster

Convert oven temps across °F, °C, gas marks, and air fryer equivalents. Adjusts for fan-forced vs conventional too.

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Storage Life Guide

Searchable database. "How long is opened mayo safe?" "Do eggs go bad?" Simple lookup, saves decisions.

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Ingredient Substitution Matcher

Searchable swaps. Buttermilk to yogurt, Greek yogurt to sour cream. 1:1 conversions with ratios where they differ. Allergen + use-case filters.

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Baking Ratio Calculator

Baker's percentages. Input flour weight, get exact grams for water, salt, yeast. Consistency across recipes.

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Seasoning by Weight Calculator

Replace "salt to taste" with exact gram amounts. 20 dish-type presets, intensity slider, salt-density-aware tsp conversion, two-stage dosing.

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Real-time Recipe Scaler

Load any recipe, drag a servings slider. Ingredients, total cost, and cost per serving update instantly. Saves locally.

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Pantry Inventory + Recipe Matcher

Tick what you have. Get a ranked list of recipes you can make right now from 200+ in the catalog. Photo-scan integration + custom items + strict-mode 100% match.