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US Cup to Imperial Fluid Ounce Converter

VerifiedLast reviewed: Sep 18, 2026Fact checked by: Adil BaltiFactor: 1 cup = 8.326742 fl oz (imp)Source: Encyclopædia Britannica
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What is US Cup to Imperial Fluid Ounce Converter

A US cup to Imperial fluid ounce converter translates volume from US cups (cup) to Imperial fluid ounces (imp fl oz). The conversion factor dictates that 1 Imperial fluid ounce equals approximately 1.9215 US cups.

Definitions of US Cup and Imperial Fluid Ounce

What is US Cup?

A US cup is a unit of volume in the US customary system equal to eight fluid ounces. It is a standard measurement used extensively in cooking and baking recipes.

What is Imperial Fluid Ounce?

An imperial fluid ounce is a unit of volume in the imperial system equal to 1/20th of an imperial pint. It is approximately equivalent to 28.41 milliliters.

US Cup to Imperial Fluid Ounce Formula

fl oz (Imp)=cup×8.326742\text{fl\ oz\ (Imp)} = \text{cup} \times 8.326742

Conversion explanation: Multiply the value in US Cup by 8.3267418287 to get the equivalent value in Imperial Fluid Ounce.

How to Convert US Cup to Imperial Fluid Ounce

To convert a value from us cups to imperial fluid ounces, multiply the value by the conversion multiplier:

Imperial Fluid Ounces = US Cups × 8.3267418287

Step-by-Step Example

Converting a 5 us cup volume into imperial fluid ounce:

  • Identify the multiplier factor: 8.3267418287.
  • Multiply 5 by the factor: 5 × 8.3267418287 = 41.6337091435.
  • Result: 5 us cups is equal to 41.6337091435 imperial fluid ounces.

US Cup to Imperial Fluid Ounce Conversion Table

US Cup [cup]Imperial Fluid Ounce [fl oz (imp)]
0.01 cup0.0832674183 fl oz (imp)
0.1 cup0.8326741829 fl oz (imp)
1 cup8.3267418287 fl oz (imp)
2 cup16.6534836574 fl oz (imp)
3 cup24.9802254861 fl oz (imp)
4 cup33.3069673148 fl oz (imp)
5 cup41.6337091435 fl oz (imp)
6 cup49.9604509722 fl oz (imp)
7 cup58.2871928008 fl oz (imp)
8 cup66.6139346295 fl oz (imp)
9 cup74.9406764582 fl oz (imp)
10 cup83.2674182869 fl oz (imp)
20 cup166.5348365738 fl oz (imp)
30 cup249.8022548608 fl oz (imp)
50 cup416.3370914346 fl oz (imp)
100 cup832.6741828692 fl oz (imp)
500 cup4163.3709143462 fl oz (imp)
1000 cup8326.7418286923 fl oz (imp)
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