Every kitchen calculation, one place.
Free cooking converters, recipe scalers, and kitchen calculators. No sign-up. Works on any device.
All Tools
Ranked by what home cooks search for most
Cups to Grams Converter
Convert between cups, grams, ounces, tablespoons, and ml — adjusted per ingredient. Flour, sugar, butter all weigh differently.
EssentialEgg Boiling Calculator
The #1 Googled cooking question. Perfect soft, medium, or hard boiled eggs — adjusted for size, altitude, and starting temp.
Must-HaveTemperature Converter
Fahrenheit, Celsius, and Gas Mark. Includes common baking temperature quick reference.
Top PickOven ↔ Air Fryer Converter
Convert both ways — oven to air fryer or air fryer to oven. Auto-adjusts temperature and cooking time.
TrendingIngredient Substitution Finder
"I don't have buttermilk" — find the right substitute with exact amounts for 25+ ingredients.
PopularRice-to-Water Ratio Calculator
Perfect rice every time. 10 rice types, 3 cooking methods. Get exact water ratio, yield, and instructions.
PopularSourdough Starter Calculator
Calculate flour-to-water ratio, feeding schedule, and total dough hydration for sourdough bread.
PopularPasta Calculator
How much pasta per person? Dry-to-cooked weight converter for 18 pasta shapes. Main, side, or kids portions.
PopularCooking Time by Weight
Enter the weight of your turkey, roast, ham, or chicken — get the exact cooking time and safe internal temperature.
PopularCoffee-to-Water Ratio Calculator
Perfect your brew. Calculate ratios for pour-over, French press, espresso, cold brew, and more.
PopularInstant Pot / Pressure Cooker Converter
Convert stovetop, oven, or slow cooker recipes to Instant Pot. Get time, pressure, and release method.
Recipe Scaler
Serves 4 but need 12? Paste your ingredients and scale any recipe up or down instantly.
Slow Cooker ↔ Oven Converter
Convert between slow cooker (low/high) and conventional oven time and temperature.
Pizza Dough Calculator
Baker's percentages for Neapolitan, New York, or pan pizza. Set number of dough balls and weight.
Party & BBQ Food Calculator
How much food for your party? Get a shopping list with meat, sides, drinks, and ice for any group size.
Baking Pan Size Converter
Switching pan sizes? Recalculate batter amounts and baking time for any pan shape.
Frequently Asked Questions
How many grams in a cup of flour?
One cup of all-purpose flour weighs approximately 125 grams (4.4 oz). This varies by ingredient — a cup of sugar is 200g, and a cup of butter is 227g. Use our cups to grams converter for accurate results.
How do I convert oven recipes to air fryer?
Reduce the oven temperature by 25°F (about 15°C) and reduce cooking time by 20%. For example, 400°F for 30 min becomes 375°F for 24 min. Try our air fryer converter.
How many tablespoons in a cup?
There are 16 tablespoons in 1 cup. Half a cup is 8 tablespoons, and a quarter cup is 4 tablespoons.
What can I substitute for buttermilk?
Add 1 tablespoon of lemon juice or white vinegar to 1 cup of regular milk. Let it sit 5 minutes before using. Find more in our substitution finder.
How long to boil eggs?
Soft boil: 6-7 minutes. Medium: 9-10 minutes. Hard boil: 12-13 minutes. Start timing once water reaches a full boil. Use our egg boiling calculator for adjustments based on egg size, altitude, and starting temperature.
What temperature is 180°C in Fahrenheit?
180°C equals 356°F (Gas Mark 4). This is a standard moderate oven temperature used in many European recipes. Use our temperature converter for more.