US Cups to UK Fluid Ounces (cup to imp fl oz) Converter
1 US cup (cup) = 8.32674 UK fluid ounces (imp fl oz). To convert US cups to UK fluid ounces, multiply by 8.32674: 2 cup × 8.32674 = 16.6535 imp fl oz.
Quick facts
- 1 cup = 8.32674 imp fl oz
- 1 imp fl oz = 0.120095 cup
- Formula: imp fl oz = cup × 8.32674
- Quick estimate: multiply by about 8.3
How to convert US cups to UK fluid ounces
- Write down the number of US cups you have.
- Multiply it by 8.32674 (the number of UK fluid ounces in one US cup).
- Round the answer to a sensible number of decimal places.
Worked example (a recipe): 2 cup × 8.32674 = 16.6535 imp fl oz.
To convert UK fluid ounces back to US cups, multiply by 0.120095, or divide by 8.32674.
Source: NIST Handbook 44, Appendix C, and NIST SP 811 (US customary volume units).
US Cups to UK Fluid Ounces conversion table
| US Cups [cup] | UK Fluid Ounces [imp fl oz] |
|---|---|
| 0.01 cup | 0.0832674185 imp fl oz |
| 0.1 cup | 0.8326741846 imp fl oz |
| 1 cup | 8.3267418463 imp fl oz |
| 2 cup | 16.6534836926 imp fl oz |
| 3 cup | 24.9802255389 imp fl oz |
| 5 cup | 41.6337092314 imp fl oz |
| 10 cup | 83.2674184629 imp fl oz |
| 20 cup | 166.5348369258 imp fl oz |
| 50 cup | 416.3370923145 imp fl oz |
| 100 cup | 832.674184629 imp fl oz |
| 1000 cup | 8326.7418462899 imp fl oz |
cup to imp fl oz chart from 1 to 100
- 1 cup 8.32674 imp fl oz
- 2 cup 16.6535 imp fl oz
- 3 cup 24.9802 imp fl oz
- 4 cup 33.307 imp fl oz
- 5 cup 41.6337 imp fl oz
- 6 cup 49.9605 imp fl oz
- 7 cup 58.2872 imp fl oz
- 8 cup 66.6139 imp fl oz
- 9 cup 74.9407 imp fl oz
- 10 cup 83.2674 imp fl oz
- 11 cup 91.5942 imp fl oz
- 12 cup 99.9209 imp fl oz
- 13 cup 108.248 imp fl oz
- 14 cup 116.574 imp fl oz
- 15 cup 124.901 imp fl oz
- 16 cup 133.228 imp fl oz
- 17 cup 141.555 imp fl oz
- 18 cup 149.881 imp fl oz
- 19 cup 158.208 imp fl oz
- 20 cup 166.535 imp fl oz
- 25 cup 208.169 imp fl oz
- 30 cup 249.802 imp fl oz
- 35 cup 291.436 imp fl oz
- 40 cup 333.07 imp fl oz
- 45 cup 374.703 imp fl oz
- 50 cup 416.337 imp fl oz
- 55 cup 457.971 imp fl oz
- 60 cup 499.605 imp fl oz
- 65 cup 541.238 imp fl oz
- 70 cup 582.872 imp fl oz
- 75 cup 624.506 imp fl oz
- 80 cup 666.139 imp fl oz
- 85 cup 707.773 imp fl oz
- 90 cup 749.407 imp fl oz
- 95 cup 791.04 imp fl oz
- 100 cup 832.674 imp fl oz
UK Fluid Ounces to US Cups conversion table
| UK Fluid Ounces [imp fl oz] | US Cups [cup] |
|---|---|
| 0.01 imp fl oz | 0.0012009499 cup |
| 0.1 imp fl oz | 0.0120094993 cup |
| 1 imp fl oz | 0.1200949926 cup |
| 2 imp fl oz | 0.2401899851 cup |
| 3 imp fl oz | 0.3602849777 cup |
| 5 imp fl oz | 0.6004749628 cup |
| 10 imp fl oz | 1.2009499255 cup |
| 20 imp fl oz | 2.401899851 cup |
| 50 imp fl oz | 6.0047496275 cup |
| 100 imp fl oz | 12.009499255 cup |
| 1000 imp fl oz | 120.0949925505 cup |
US Cups vs UK Fluid Ounces
| US Cup | UK Fluid Ounce | |
|---|---|---|
| Symbol | cup | imp fl oz |
| Equals | 1 cup = 8.32674 imp fl oz | 1 imp fl oz = 0.120095 cup |
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.
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.
Who Converts US Cups to UK Fluid Ounces?
US cups are used mainly in the United States, while UK fluid ounces are used mainly in the UK (pub pints, fuel economy in mpg) and older Canadian recipes. Because the two units come from different systems, Americans, Britons and Canadians often need it when buying from each other online, following each other's recipes or instructions, or filling in official forms.
How big is 1 cup compared with 1 imp fl oz?
1 cup is 8.32674 times the size of 1 imp fl oz, so the number gets bigger when you convert US cups to UK fluid ounces.
US Cups to UK Fluid Ounces without a calculator
- In your head: multiply by 8 (about 3.9% off). 0.75 cup × 8 ≈ 6 imp fl oz.
- Closer estimate: multiply by 8.3 (within 0.32%).
- Fraction trick: multiply by 25, then divide by 3 (within 0.079%).
Real-world cup to imp fl oz examples
| Example | US Cups | UK Fluid Ounces |
|---|---|---|
| A cup of milk | 1 cup | 8.32674 imp fl oz |
| A recipe | 2 cup | 16.6535 imp fl oz |
| A quarter cup | 0.25 cup | 2.08169 imp fl oz |
| Three-quarters of a cup | 0.75 cup | 6.24506 imp fl oz |
| One imperial pint | 2.4019 cup | 20 imp fl oz |
| Half a pint | 1.20095 cup | 10 imp fl oz |
| One imperial fluid ounce | 0.120095 cup | 1 imp fl oz |
How exact is the cup to imp fl oz factor?
The factor is exact by definition, so any error comes only from rounding. Round the final answer, not the factor, and match the precision of the number you started with.
Mistakes to avoid
- US and imperial (UK) measures share names but not sizes. Check which one a recipe, label or fuel figure uses before converting.
- Metric cups in Canada and Australia hold 250 ml, and US nutrition labels round the cup to 240 ml; the US customary cup here is 236.6 ml.
Background on US cups and UK fluid ounces
The US customary cup is 236.6 ml, but US nutrition labels use a rounded 240 ml cup.
Keep converting
Next, you might want us cups to us fluid ounces, uk fluid ounces to milliliters, uk fluid ounces to us fluid ounces and us cups to milliliters. The full volume converter lists every unit.
On pakmath.com, the percentage calculator is a useful next step; for related everyday maths, try the macro calculator on Adzita.
Frequently asked questions
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 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 do I convert US cups to UK fluid ounces?
Multiply by 8.32674, or divide by 0.120095 if that is easier. Example: 10 cup = 83.2674 imp fl oz.
What is 10 cup in UK fluid ounces?
10 cup = 83.2674 imp fl oz.
What is 100 cup in UK fluid ounces?
100 cup = 832.674 imp fl oz.
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.
What is an easy way to convert US cups to UK fluid ounces?
In your head: multiply by 8 (about 3.9% off). 0.75 cup × 8 ≈ 6 imp fl oz.
How many UK fluid ounces is 0.75 cup (three-quarters of a cup)?
0.75 cup = 6.24506 imp fl oz.
How many US cups is half a pint (10 imp fl oz)?
10 imp fl oz = 1.20095 cup.
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