RediCalc.com

Cooking Calculators

Free kitchen conversion and recipe tools

Last updated: June 1, 2026

From air fryer conversions to recipe scaling and measurement conversions, our cooking calculators take the guesswork out of the kitchen. Get instant, accurate results for all your cooking math needs — no sign-up required.

Oven to Air Fryer Conversion

Convert oven temperature and time to air fryer settings.

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Cooking Time Calculator

Estimate cooking time based on weight, meat type, and method.

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Recipe Scaler

Scale recipe ingredients up or down for any number of servings.

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Meat Defrost Time Calculator

Calculate safe defrost times for different thawing methods.

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Kitchen Unit Converter

Convert between cups, tablespoons, ounces, grams, and more.

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Baking Substitution Calculator

Find baking ingredient substitutions for butter, eggs, flour, and more.

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Turkey Cooking Time Calculator

Calculate turkey cooking time by weight, stuffed or unstuffed.

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Slow Cooker Conversion Calculator

Convert oven recipes to slow cooker times and temperatures.

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Yeast Conversion Calculator

Convert between active dry, instant, fresh, and sourdough yeast.

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Alcohol Unit Calculator

Calculate standard drinks, alcohol units, and calories in beverages.

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Coffee Ratio Calculator

Find the perfect coffee-to-water ratio for any brew method.

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Portion Size Calculator

Calculate how much food to prepare per person for any event.

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Baking Conversion Calculator

Convert baking measurements between cups, grams, ounces, and tablespoons.

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Caffeine Calculator

Calculate caffeine intake from coffee, tea, and energy drinks.

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Water Intake Calculator

Calculate daily water intake based on weight and activity.

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Cooking Guides & Articles

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Frequently Asked Questions

How do I convert oven recipes to air fryer?

The general rule is to reduce oven temperature by 25°F and cooking time by 20-25%. Use our Air Fryer Calculator for precise conversions.

How do I scale a recipe up or down?

Divide your desired servings by the original servings to get a scaling factor, then multiply every ingredient. Our Recipe Scaler does this instantly.

How many grams are in a cup?

It varies by ingredient: 1 cup of flour is about 120g, sugar is 200g, and butter is 227g. Use our Cooking Unit Converter for precise conversions.

What is the perfect coffee to water ratio?

The golden ratio is 1:15 to 1:18 (coffee to water by weight). For drip coffee, use about 2 tablespoons per 6 ounces of water.

Are your cooking calculators free?

Yes, all calculators are completely free with instant results. No account or sign-up required.