Cups to ML Converter

Type a number of US cups and see it in milliliters at once — for American recipes.

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How to convert US cups to milliliters

One US cup is 236.6 milliliters (half a US pint). Many other countries use a metric cup of 250 ml, so check where your recipe comes from — the difference is about 5%.

Formula: ml = US cups × 236.588

Example: 2 cups × 236.6 = 473.2 ml

cup to ml table

US cups (cup)Milliliters (ml)
0.12529.6
0.2559.1
0.33378.8
0.5118.3
0.667157.8
0.75177.4
1236.6
1.5354.9
2473.2
2.5591.5
3709.8
4946.4
51,182.9
61,419.5
81,892.7

Values are rounded to 1 decimal place.

Recipe measures

  • 1 cup = 16 tablespoons = 48 teaspoons
  • 1 tablespoon (US) = 14.8 ml; 1 teaspoon = 4.9 ml
  • Metric cup (UK, Australia, Canada…) = 250 ml
  • Flour by cup is unreliable: 1 cup weighs 120–140 g depending on how you fill it — weigh it if you can

How to use it

  • Type a number in the From box — the answer appears straight away
  • Click Swap (⇄) to convert the other way, from milliliters to US cups
  • Change the units or the category to convert anything else — length, weight, temperature, volume, speed and more

Frequently asked questions

How many ml is 1 cup?

236.6 ml for a US cup; 250 ml for a metric cup.

How many ml is half a cup?

118.3 ml (US).

Is a cup of flour the same as a cup of water?

In volume yes, in weight no: a cup of water weighs about 237 g, a cup of flour about 125 g.

Is my data sent anywhere?

No. The conversion runs in your browser, on your own device.

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