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Cup (US customary) (cup)

Exactly 1/16 of a US gallon (8 US fluid ounces).

What is a US cup?

Symbol
cup
Quantity
Volume
Unit system
US customary
Definition
Exactly 1/16 of a US gallon (8 US fluid ounces).
Exact
Yes, the value is exact by definition
Source
NIST Special Publication 811 (2008), Appendix B.8 (US liquid measures derive from the exact 231 cubic inch gallon)

Common applications

Used in US recipes. One US customary cup equals eight US fluid ounces.

Cup (US customary) in other volume units

Cup (US customary) quick reference

Cup (US customary) in other units
Cup (US customary)MilliliterLiterGallon (US liquid)
1 cup= 236.5882365 mL= 0.2365882365 L= 0.0625 gal
10 cup= 2365.882365 mL= 2.365882365 L= 0.625 gal
100 cup= 23658.82365 mL= 23.65882365 L= 6.25 gal
1000 cup= 236588.2365 mL= 236.5882365 L= 62.5 gal

Where the US cup fits

The next smaller volume unit is the US fluid ounce (fl oz). 1 cup = 8 fl oz, and 1 fl oz = 0.125 cup.

The next larger volume unit is the US pint (pt). 1 cup = 0.5 pt, and 1 pt = 2 cup.

Frequently asked questions

How many milliliters are in one US cup?
One US cup = 236.5882365 mL (milliliters).
How many liters are in one US cup?
One US cup = 0.2365882365 L (liters).
How many US gallons are in one US cup?
One US cup = 0.0625 gal (US gallons).