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.
Quick facts
- 1 imp fl oz = 0.120095 cup
- 1 cup = 8.32674 imp fl oz
- Formula: cup = imp fl oz × 0.120095
- Quick estimate: multiply by about 0.12
How to convert UK fluid ounces to US cups
- Take the value in UK fluid ounces.
- Multiply it by 0.120095 (the number of US cups in one UK fluid ounce).
- Round the answer to a sensible number of decimal places.
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 [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 |
imp fl oz to cup chart from 1 to 100
- 1 imp fl oz 0.120095 cup
- 2 imp fl oz 0.24019 cup
- 3 imp fl oz 0.360285 cup
- 4 imp fl oz 0.48038 cup
- 5 imp fl oz 0.600475 cup
- 6 imp fl oz 0.72057 cup
- 7 imp fl oz 0.840665 cup
- 8 imp fl oz 0.96076 cup
- 9 imp fl oz 1.08085 cup
- 10 imp fl oz 1.20095 cup
- 11 imp fl oz 1.32104 cup
- 12 imp fl oz 1.44114 cup
- 13 imp fl oz 1.56123 cup
- 14 imp fl oz 1.68133 cup
- 15 imp fl oz 1.80142 cup
- 16 imp fl oz 1.92152 cup
- 17 imp fl oz 2.04161 cup
- 18 imp fl oz 2.16171 cup
- 19 imp fl oz 2.2818 cup
- 20 imp fl oz 2.4019 cup
- 25 imp fl oz 3.00237 cup
- 30 imp fl oz 3.60285 cup
- 35 imp fl oz 4.20332 cup
- 40 imp fl oz 4.8038 cup
- 45 imp fl oz 5.40427 cup
- 50 imp fl oz 6.00475 cup
- 55 imp fl oz 6.60522 cup
- 60 imp fl oz 7.2057 cup
- 65 imp fl oz 7.80617 cup
- 70 imp fl oz 8.40665 cup
- 75 imp fl oz 9.00712 cup
- 80 imp fl oz 9.6076 cup
- 85 imp fl oz 10.2081 cup
- 90 imp fl oz 10.8085 cup
- 95 imp fl oz 11.409 cup
- 100 imp fl oz 12.0095 cup
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 |
UK Fluid Ounces vs US Cups
| UK Fluid Ounce | US Cup | |
|---|---|---|
| Symbol | imp fl oz | cup |
| Equals | 1 imp fl oz = 0.120095 cup | 1 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.
When You Need to Convert UK Fluid Ounces to US Cups
UK fluid ounces are used mainly in the UK (pub pints, fuel economy in mpg) and older Canadian recipes, while US cups are used mainly in the United States. 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 imp fl oz compared with 1 cup?
1 imp fl oz is only 0.120095 of 1 cup: you need 8.32674 UK fluid ounces to make 1 cup, so the number gets smaller when you convert.
UK Fluid Ounces to US Cups without a calculator
- Closer estimate: multiply by 0.12 (within 0.079%).
- Or divide: divide by 8.3 (within 0.32%), which is often easier than multiplying by a small decimal.
Real-world imp fl oz to cup examples
| Example | UK Fluid Ounces | US Cups |
|---|---|---|
| One imperial pint | 20 imp fl oz | 2.4019 cup |
| Half a pint | 10 imp fl oz | 1.20095 cup |
| One imperial fluid ounce | 1 imp fl oz | 0.120095 cup |
| A cup of milk | 8.32674 imp fl oz | 1 cup |
| A recipe | 16.6535 imp fl oz | 2 cup |
| A quarter cup | 2.08169 imp fl oz | 0.25 cup |
How exact is the imp fl oz to cup 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 UK fluid ounces and US cups
The US customary cup is 236.6 ml, but US nutrition labels use a rounded 240 ml cup.
What people convert next
Related conversions you may need next: us fluid ounces to us cups, us cups to milliliters, uk fluid ounces to milliliters and uk fluid ounces to us fluid ounces. The full volume converter lists every unit.
On pakmath.com, the percentage calculator is a useful next step, as is the scientific calculator; Adzita offers a free calorie calculator.
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?
Use cup = imp fl oz × 0.120095. So 10 imp fl oz becomes 1.20095 cup; for the reverse, 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.
How accurate is this UK fluid ounce to US cup converter?
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 UK fluid ounces to US cups?
Closer estimate: multiply by 0.12 (within 0.079%).
How many US cups is 10 imp fl oz (half a pint)?
10 imp fl oz = 1.20095 cup.
How many UK fluid ounces is a cup of milk (1 cup)?
1 cup = 8.32674 imp fl oz.
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