Volume & Capacity

Milliliters to US Cups

Convert milliliters to us cups instantly. 1 mL = 0.0042267528 cup. Includes the exact factor, a conversion table of common values and the definition of both units.

mL
US Cups

How to convert milliliters to us cups

To convert milliliters to us cups, divide by 236.5882365 (multiply by 0.0042267528). The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.

cup = mL × 0.0042267528

Milliliters to US Cups conversion table

The values people look up most often, rounded for reading. Use the calculator above for anything in between.

MillilitersUS Cups
1 mL0.004227 cup
2 mL0.008454 cup
3 mL0.01268 cup
5 mL0.021134 cup
10 mL0.042268 cup
20 mL0.084535 cup
25 mL0.105669 cup
50 mL0.211338 cup
100 mL0.422675 cup
500 mL2.113376 cup
1,000 mL4.226753 cup

What is a milliliter?

A thousandth of a litre, equal to one cubic centimetre.

What is a us cup?

8 US fluid ounces. The standard American recipe measure.

The formula

cup = mL × 0.0042267528

Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.

How to use the Milliliters to US Cups

  1. Type the number of milliliters you want to convert.
  2. Read the result in us cups straight away — there is no button to press.
  3. Check the table below for the values that come up most often, or reverse the conversion with the linked us cups to milliliters page.

Milliliters to US Cups — frequently asked questions

How many us cups are in a milliliter?

One milliliter equals 0.0042267528 cup. cup = mL × 0.0042267528

What is the formula to convert milliliters to us cups?

The formula is cup = mL × 0.0042267528. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.

How do I convert us cups back to milliliters?

Divide instead of multiplying: one us cup is 236.5882365 mL. The reverse converter is linked in the related tools list.

Is this conversion exact?

Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.

Is this milliliters to us cups free to use?

Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.

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About this calculator

Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.

Last reviewed August 15, 2026 · Calculation runs client-side · No data collected · Report an error