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Cooking Conversion Calculator
Convert cups, spoons, millilitres, fluid ounces, grams and ounces with the right cup weight for each ingredient.
Convert any cooking measure
Result: —
In millilitres: — ml
One cup of all purpose flour weighs 120 g
How to use the Cooking Conversion Calculator
- Choose whether you are converting a named ingredient or a generic liquid.
- Enter the amount and pick the unit you have and the unit you want.
- Read the converted value, the millilitre equivalent and the cup weight table.
Features
- Cup weight for water, flour, sugar, butter, rice, oats, honey and milk
- Cups, tablespoons, teaspoons, millilitres and fluid ounces
- Grams and ounces, converted with the right density
- Runs locally, no uploads and no tracking
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Frequently Asked Questions
Common questions about the free online cooking conversion calculator.
A US cup of all purpose flour weighs about 120 g, which is much lighter than the 237 g a cup
of water weighs.
One US customary cup is about 236.6 ml, and a metric cup is 250 ml, so expect a small
difference between recipe sources.
A cup measures volume, and each ingredient has its own density, so flour, sugar, honey and
oats all weigh different amounts.
There are 16 tablespoons in a US cup, and each tablespoon holds 3 teaspoons, giving 48
teaspoons per cup.
Pick fluid ounce as the from unit and gram as the to unit with your ingredient selected, and
the density is applied for you.
An ounce is a unit of weight at about 28.35 g, while a fluid ounce is a unit of volume at
about 29.57 ml.
Yes. Choose the ingredient so the correct density is used, or use generic mode with a density
of one for water-like liquids.
No. All conversions run in your browser, so nothing you type or select is sent to a server.
Yes. It is completely free, needs no account and has no limit on how many conversions you
make.
Last updated: October 10, 2026