Convert cups to ml

One cup equals 236.588236 milliliters. To convert any number of cups to milliliters, multiply by 236.5882365.

The converter above works in both directions and updates as you type. Below you will find the formula, a worked example and a reference table of common values.

Volume is the category where the US and imperial systems diverge most damagingly. Gallons, quarts, pints and fluid ounces all exist in two sizes that differ by up to 20%, and nothing in the name warns you which one a figure uses. Recipes, fuel economy figures and container capacities all cross borders regularly, so it is worth checking which system a source is using before converting rather than after.

cups to ml formula

To go the other way, use cup = milliliter ÷ 236.5882365.

About these units

The US customary cup is 236.6 millilitres. A metric cup is 250 ml and an old imperial cup was 284 ml, so recipes rarely travel cleanly between regions.

A millilitre is exactly one cubic centimetre. Because one millilitre of water weighs one gram, the unit doubles as a rough mass measure in the kitchen.

Cup is also written cups. Milliliter is also written millilitre, millilitres, milliliters and cc.

Sources

1. NIST Special Publication 811, Guide for the Use of the International System of Units (SI), 2008 edition — conversion factors for units outside the SI.