Cooking Calculators

Kitchen & Cooking Calculators

Whether you need to double a recipe for a dinner party, convert oven times for an air fryer, or nail the gravity readings on your next homebrew batch, these calculators handle the kitchen math so you can focus on cooking. Every tool runs in your browser and gives results instantly.

What You Can Calculate

  • Recipe Scaling: Multiply or divide any recipe by servings, with automatic unit conversions between metric and imperial
  • Air Fryer Conversions: Convert traditional oven temperatures and cook times to air fryer settings
  • Homebrew Math: ABV, IBU bitterness, SRM colour, and yeast pitching rates for beer and cider
  • Baking Ratios: Baker's percentages, hydration levels, and sourdough starter calculations

Built for Real Kitchens

All calculators work on your phone, tablet, or laptop. No app to install, no account to create. Tap in your numbers and get accurate results while you cook.

AF

Air Fryer Calculator

Type in your oven temperature and cook time, pick the food type, and this calculator gives you the exact air fryer settings with tips for perfect results every time.

Convert to Air Fryer
OG

Homebrew ABV Calculator

Plug in your original and final gravity readings to calculate alcohol content, apparent attenuation, estimated calories, and IBU bitterness from your hop schedule.

Calculate Brew
4×28

Recipe Scaler Calculator

Enter your ingredients, pick a target serving size, and this calculator multiplies everything proportionally so your dish turns out right every time.

Scale Recipe
67%

Sourdough Bread Calculator

Dial in your flour, water, starter, and salt quantities using baker's percentages so every sourdough loaf comes out exactly the way you want it.

Calculate My Recipe