Cups to Fluid Ounces Conversion

Quick Answer

1 US cup = 8 US fluid ounces.

Calculator

=
8.0

Formula: Fluid Ounces = Cups × 8

Common Examples

cupsfl oz
0.252 fl oz
0.54 fl oz
0.756 fl oz
18 fl oz
1.512 fl oz
216 fl oz
324 fl oz
432 fl oz (1 quart)

Notes

  • This converts cups to fluid ounces (volume), not weight ounces.
  • 1 US cup = 8 US fluid ounces = 236.588 mL.

FAQ

Is a cup of water 8 ounces by weight?+
Almost! 8 fl oz of water weighs about 8.3 oz by weight (236 g). For water, fluid ounces and weight ounces are very close but not identical.

Related Conversions

Need another baking conversion?