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Cups to ML

Welcome to cups to mL, our article about the cups to milliliters conversion.

Here you can find everything about cups in mL, including useful information, the formula and a converter which can transform metric, United States customary, US legal, Canadian as well as Imperial cups to millilitres.

If you have found this page by looking for how many mL in a cup, then you have definitively come to the right place.

Read on to learn all about the cup mL conversion.



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How to Convert Cups to ML?

For the volume conversion it is fundamental to know which cup size you have, because cups vary from approximately 227 to 284 mL:

Metric cup ⇔ 250 mL
US customary cup ⇔ 236.5882365 mL
US legal cup ⇔ 240 mL
Canadian cup ⇔ 227.3045 mL
Imperial cup ⇔ 284.130625 mL

Thus, the cups to mL formula is a follows: [mL] = [cups] x cup size.

For example, to change 2 United States legal cups multiply 2 by 240 to obtain 480 milliliters as a result.

The United States “legal” cup is used for nourishment labeling.

It is about 1.45 percent (3.41 mL) more than the United States customary cup, so it may not make much of a difference.

In Canada, a cup might also denote 250 mL, a metric cup.

Yet, throughout our website we assume the CA cup to be 227.3045 milliliters.

Finally, the imperial cup is largely obsolete.

About our Cups to ML Converter

Our app is located at the top of this page.

The calculator defaults to Unites States legal cups; to change the unit use the drop-down arrows.

The results are rounded to seven decimal places.

All about mL to cups, such as the formula and converter, can be found on our home page.

Cups to Milliliters

The list of questions that are frequently asked about cups to milliliters includes, but is not limited, to:

  • How many mL in a cup? Answer: It depends on the size of the cup. There are 5 common units.
  • How many milliliters are in a cup? Answer: 236.5882365 mL if US customary cup.
  • How many mL is in a cup? Answer: In between 227.3 and 284.1 mL.

In case you have difficulties in coming up with the correct answers, then read our information once more carefully, right from the beginning.

If that doesn’t help get in touch with us.

Additional Information

Note that when it comes to cup measurement in mL, then it doesn’t matter which liquid or dry food is being converted, in contrast to grams to mL, where the density plays a role.

Therefore, for instance, the conversion result for water is the same as milk.

For the math, it is irrelevant which substance is being changed from one unit of measurement to the other.

Milli (m) stands for 1/1000, and for liter the character l is used, lowercase or uppercase L.

Thus, as abbreviation for milliliter, we have mL or mL, the latter is better for readability.

On our website we mainly use mL, capitalized as ML in titles.


Reading so far you have learned everything about cups in mL.

However, You may also be interested in our frequent volume conversions:

The following image is meant as a summary of our information:

We look forward to all feedback and questions.

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– Article written by Mark, last updated on March 13th, 2024