Convert cups to milliliters

1 cup=240ml

Use the converter below to change any cups value into milliliters instantly — with formula, conversion table, and real-world examples.

You have

Equals

240

Conversion formula

Forward

milliliters = cups × 240

Reverse

cups = milliliters × 0.004167

Example: 10 cup × 240 = 2,400 ml.

About both units

From

Cup

cup

The US cup equals 240 millilitres in common usage (legally defined as 236.588 ml). The metric cup (Australia, NZ) is 250 ml; the UK "cup" is 284 ml but rarely used in recipes. Cooking recipes from the US dominate online, so 240 ml is the safe default for "cup".

Real-world: 1 cup of water = 240 g = 240 ml. 1 cup of all-purpose flour weighs about 125 g. A Starbucks Tall is 12 fl oz = 1.5 cups.

Read full cup reference →

Milliliter

The millilitre equals one thousandth of a litre, identical to one cubic centimetre (1 cc). Essential in medicine, cooking and science. A standard teaspoon holds about 5 ml; a tablespoon 15 ml. Medication syringes and baby-formula measures are in ml.

Real-world: A teaspoon holds about 5 ml. An espresso shot is 25–30 ml. An insulin pen delivers 0.1 ml increments.

Read full milliliter reference →

Cup to Milliliter conversion table

Common cups to milliliters values for quick reference.

Cup (cup)	Milliliter (ml)
1 cup	240 ml
2 cup	480 ml
5 cup	1,200 ml
10 cup	2,400 ml
20 cup	4,800 ml
50 cup	12,000 ml
100 cup	24,000 ml
200 cup	48,000 ml
500 cup	120,000 ml
1,000 cup	240,000 ml

Tips & common mistakes

Quick tips

US cup = 240 ml common; 236.6 ml legal; UK cup = 284 ml; metric cup (AU/NZ) = 250 ml.
Weights (grams) are more reliable than cups — a cup of flour can vary 30% depending on how packed.
For baking, always use the recipe author's country convention.

Avoid these

Using a UK 284 ml cup for a US recipe calling for 240 ml — 18% overshoot.
Treating all dry ingredients as 1 cup = 240 g — only true for water.
Using a coffee mug as a "cup" — mugs vary 200–400 ml.

Frequently asked questions

How many milliliters in a cup?

One cup equals 240 milliliters.

How do I convert cups to milliliters?

Multiply the cup value by 240 to get the equivalent in milliliters.

What is 100 cups in milliliters?

100 cups equals 24,000 milliliters.

Is a cup bigger than a milliliter?

Yes. 1 cup equals 240 milliliters, so one cup is larger.

How to convert cups to milliliters without a calculator?

Multiply by 240 for a quick estimate; use a calculator for precise results.

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Convert cups to milliliters

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