Volume & Capacity

US Cups to Milliliters

Convert us cups to milliliters instantly. 1 cup = 236.5882365 mL. Includes the exact factor, a conversion table of common values and the definition of both units.

cup
Milliliters

How to convert us cups to milliliters

To convert us cups to milliliters, multiply by 236.5882365. 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.

mL = cup × 236.5882365

US Cups to Milliliters conversion table

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

US CupsMilliliters
1 cup236.588236 mL
2 cup473.176473 mL
3 cup709.764709 mL
5 cup1,182.94 mL
10 cup2,365.88 mL
20 cup4,731.76 mL
25 cup5,914.71 mL
50 cup11,829.41 mL
100 cup23,658.82 mL
500 cup118,294.12 mL
1,000 cup236,588.24 mL

What is a us cup?

8 US fluid ounces. The standard American recipe measure.

What is a milliliter?

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

The formula

mL = cup × 236.5882365

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 US Cups to Milliliters

  1. Type the number of us cups you want to convert.
  2. Read the result in milliliters 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 milliliters to us cups page.

US Cups to Milliliters — frequently asked questions

How many milliliters are in a us cup?

One us cup equals 236.5882365 mL. mL = cup × 236.5882365

What is the formula to convert us cups to milliliters?

The formula is mL = cup × 236.5882365. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.

How do I convert milliliters back to us cups?

Divide instead of multiplying: one milliliter is 0.0042267528 cup. 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 us cups to milliliters 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.

What people search for

This page answers each of these searches. They are the exact phrases visitors use to find the us cups to milliliters.

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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