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UK Fluid Ounces to US Cups (imp fl oz to cup) Converter

1 UK fluid ounce (imp fl oz) = 0.120095 US cups (cup). To convert UK fluid ounces to US cups, multiply by 0.120095: 25 imp fl oz × 0.120095 = 3.00237 cup.

1 imp fl oz = 0.1200949926 cup
Convert the other way: US Cups to UK Fluid Ounces

Quick facts

How to convert UK fluid ounces to US cups

  1. Take the value in UK fluid ounces.
  2. Multiply it by 0.120095 (the number of US cups in one UK fluid ounce).
  3. Round the result to the precision you need.
cup = imp fl oz × 0.120095

Worked example: 25 imp fl oz × 0.120095 = 3.00237 cup.

To convert US cups back to UK fluid ounces, multiply by 8.32674, or divide by 0.120095.

Source: NIST Handbook 44, Appendix C, and NIST SP 811 (US customary volume units).

UK Fluid Ounces to US Cups conversion table

UK Fluid Ounces to US Cups conversion table
UK Fluid Ounces [imp fl oz]US Cups [cup]
0.01 imp fl oz0.0012009499 cup
0.1 imp fl oz0.0120094993 cup
1 imp fl oz0.1200949926 cup
2 imp fl oz0.2401899851 cup
3 imp fl oz0.3602849777 cup
5 imp fl oz0.6004749628 cup
10 imp fl oz1.2009499255 cup
20 imp fl oz2.401899851 cup
50 imp fl oz6.0047496275 cup
100 imp fl oz12.009499255 cup
1000 imp fl oz120.0949925505 cup

imp fl oz to cup chart from 1 to 100

US Cups to UK Fluid Ounces conversion table

US Cups to UK Fluid Ounces conversion table
US Cups [cup]UK Fluid Ounces [imp fl oz]
0.01 cup0.0832674185 imp fl oz
0.1 cup0.8326741846 imp fl oz
1 cup8.3267418463 imp fl oz
2 cup16.6534836926 imp fl oz
3 cup24.9802255389 imp fl oz
5 cup41.6337092314 imp fl oz
10 cup83.2674184629 imp fl oz
20 cup166.5348369258 imp fl oz
50 cup416.3370923145 imp fl oz
100 cup832.674184629 imp fl oz
1000 cup8326.7418462899 imp fl oz

UK Fluid Ounces vs US Cups

UK Fluid OunceUS Cup
Symbolimp fl ozcup
Equals1 imp fl oz = 0.120095 cup1 cup = 8.32674 imp fl oz

What is a UK fluid ounce?

A UK imperial unit equal to 1/20 of an imperial pint (exactly 28.4130625 ml). Used in the UK and Canada on older recipes, drinks measures and some bottle labels.

What is a US cup?

A US customary cooking measure equal to 8 fluid ounces. The standard recipe measure for liquids and dry ingredients in the US.

Frequently asked questions

How many US cups are in a UK fluid ounce?

There are 0.120095 US cups in 1 UK fluid ounce (1 imp fl oz = 0.1200949926 cup).

How many UK fluid ounces are in a US cup?

There are 8.32674 UK fluid ounces in 1 US cup (1 cup = 8.3267418463 imp fl oz).

How do I convert UK fluid ounces to US cups?

Multiply the number of UK fluid ounces by 0.120095. For example, 10 imp fl oz × 0.120095 = 1.20095 cup. To convert back, multiply by 8.32674.

What is 10 imp fl oz in US cups?

10 imp fl oz = 1.20095 cup.

What is 100 imp fl oz in US cups?

100 imp fl oz = 12.0095 cup.

Is the conversion exact?

Yes. The factor comes from the official definitions of both units (NIST Handbook 44, Appendix C, and NIST SP 811 (US customary volume units)). Results are shown to up to 10 decimal places; round them to suit your purpose.

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Reviewed by

Dr. Muhammad Amjad Khadim PhD Mathematics

Dr. Muhammad Amjad Khadim holds a PhD in Mathematics. He writes and reviews the guides on pakmath.com and checks every formula, conversion factor and worked example against published standards and official guidance before it goes live. Spotted an error? Tell us and it will be corrected.

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First published 28 October 2026 · Last reviewed 5 November 2026