US cup to US fluid ounce Converter

Convert US cup to US fluid ounce on this exact page. The old redirect to the general imperial converter was broader than the slug intent.

Need help with the calculation?
8 fl oz
fl oz = cup x 8
US legal/customary cup, equal to 8 US fluid ounces. US fluid ounce, a volume unit. It is not an ounce of weight.
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US cup to US fluid ounce Converter

Quick answer

1 cup = 8 fl oz. Reverse formula: 1 fl oz = 0.125 cup.

Conversion examples

US cup US fluid ounce
1 cup 8 fl oz
2 cup 16 fl oz
5 cup 40 fl oz
10 cup 80 fl oz
25 cup 200 fl oz
100 cup 800 fl oz

Unit standard used

US legal/customary cup, equal to 8 US fluid ounces. US fluid ounce, a volume unit. It is not an ounce of weight.

Common mistake

Use this page for volume conversions only. Do not mix fluid ounces with weight ounces, or US liquid units with Imperial liquid units, unless the page explicitly says so.

Related tools

imperial weight and volume converter, gal to L, lb to kg, cups to fl oz.