UK Fluid Ounces to US Quarts (imp fl oz to qt) Converter
1 UK fluid ounce (imp fl oz) = 0.0300237 US quarts (qt). To convert UK fluid ounces to US quarts, multiply by 0.0300237: 25 imp fl oz × 0.0300237 = 0.750594 qt.
Quick facts
- 1 imp fl oz = 0.0300237 qt
- 1 qt = 33.307 imp fl oz
- Formula: qt = imp fl oz × 0.0300237
- Quick estimate: multiply by about 0.03
How to convert UK fluid ounces to US quarts
- Take the value in UK fluid ounces.
- Multiply it by 0.0300237 (the number of US quarts in one UK fluid ounce).
- Check the answer: it should be smaller than the number you started with.
Worked example: 25 imp fl oz × 0.0300237 = 0.750594 qt.
To convert US quarts back to UK fluid ounces, multiply by 33.307, or divide by 0.0300237.
Source: NIST Handbook 44, Appendix C, and NIST SP 811 (US customary volume units).
UK Fluid Ounces to US Quarts conversion table
| UK Fluid Ounces [imp fl oz] | US Quarts [qt] |
|---|---|
| 0.01 imp fl oz | 0.0003002375 qt |
| 0.1 imp fl oz | 0.0030023748 qt |
| 1 imp fl oz | 0.0300237481 qt |
| 2 imp fl oz | 0.0600474963 qt |
| 3 imp fl oz | 0.0900712444 qt |
| 5 imp fl oz | 0.1501187407 qt |
| 10 imp fl oz | 0.3002374814 qt |
| 20 imp fl oz | 0.6004749628 qt |
| 50 imp fl oz | 1.5011874069 qt |
| 100 imp fl oz | 3.0023748138 qt |
| 1000 imp fl oz | 30.0237481376 qt |
imp fl oz to qt chart from 1 to 100
- 1 imp fl oz 0.0300237 qt
- 2 imp fl oz 0.0600475 qt
- 3 imp fl oz 0.0900712 qt
- 4 imp fl oz 0.120095 qt
- 5 imp fl oz 0.150119 qt
- 6 imp fl oz 0.180142 qt
- 7 imp fl oz 0.210166 qt
- 8 imp fl oz 0.24019 qt
- 9 imp fl oz 0.270214 qt
- 10 imp fl oz 0.300237 qt
- 11 imp fl oz 0.330261 qt
- 12 imp fl oz 0.360285 qt
- 13 imp fl oz 0.390309 qt
- 14 imp fl oz 0.420332 qt
- 15 imp fl oz 0.450356 qt
- 16 imp fl oz 0.48038 qt
- 17 imp fl oz 0.510404 qt
- 18 imp fl oz 0.540427 qt
- 19 imp fl oz 0.570451 qt
- 20 imp fl oz 0.600475 qt
- 25 imp fl oz 0.750594 qt
- 30 imp fl oz 0.900712 qt
- 35 imp fl oz 1.05083 qt
- 40 imp fl oz 1.20095 qt
- 45 imp fl oz 1.35107 qt
- 50 imp fl oz 1.50119 qt
- 55 imp fl oz 1.65131 qt
- 60 imp fl oz 1.80142 qt
- 65 imp fl oz 1.95154 qt
- 70 imp fl oz 2.10166 qt
- 75 imp fl oz 2.25178 qt
- 80 imp fl oz 2.4019 qt
- 85 imp fl oz 2.55202 qt
- 90 imp fl oz 2.70214 qt
- 95 imp fl oz 2.85226 qt
- 100 imp fl oz 3.00237 qt
US Quarts to UK Fluid Ounces conversion table
| US Quarts [qt] | UK Fluid Ounces [imp fl oz] |
|---|---|
| 0.01 qt | 0.3330696739 imp fl oz |
| 0.1 qt | 3.3306967385 imp fl oz |
| 1 qt | 33.3069673852 imp fl oz |
| 2 qt | 66.6139347703 imp fl oz |
| 3 qt | 99.9209021555 imp fl oz |
| 5 qt | 166.5348369258 imp fl oz |
| 10 qt | 333.0696738516 imp fl oz |
| 20 qt | 666.1393477032 imp fl oz |
| 50 qt | 1665.348369258 imp fl oz |
| 100 qt | 3330.696738516 imp fl oz |
| 1000 qt | 33306.9673851596 imp fl oz |
UK Fluid Ounces vs US Quarts
| UK Fluid Ounce | US Quart | |
|---|---|---|
| Symbol | imp fl oz | qt |
| Equals | 1 imp fl oz = 0.0300237 qt | 1 qt = 33.307 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 quart?
A US customary unit equal to 2 pints or 1/4 gallon. Used in the US for milk, motor oil, and cooking.
Who Converts UK Fluid Ounces to US Quarts?
UK fluid ounces are used mainly in the UK (pub pints, fuel economy in mpg) and older Canadian recipes, while US quarts are used mainly in the United States. Canada and the UK use a mix of metric and imperial units while the US uses customary units, so students, engineers, travellers and shoppers in all three countries switch between them often.
How big is 1 imp fl oz compared with 1 qt?
1 imp fl oz is only 0.0300237 of 1 qt: you need 33.307 UK fluid ounces to make 1 qt, so the number gets smaller when you convert.
UK Fluid Ounces to US Quarts without a calculator
- In your head: multiply by 0.03 (about 0.079% off). 20 imp fl oz × 0.03 ≈ 0.6 qt.
- Or divide: divide by 33 (within 0.92%), which is often easier than multiplying by a small decimal.
Real-world imp fl oz to qt examples
| Example | UK Fluid Ounces | US Quarts |
|---|---|---|
| One imperial pint | 20 imp fl oz | 0.600475 qt |
| Half a pint | 10 imp fl oz | 0.300237 qt |
| One imperial fluid ounce | 1 imp fl oz | 0.0300237 qt |
| A quart of milk | 33.307 imp fl oz | 1 qt |
| An engine oil change | 166.535 imp fl oz | 5 qt |
How exact is the imp fl oz to qt factor?
The factor is exact by definition, so any error comes only from rounding. Keep at least 4 significant figures for school work, and the full factor for anything legal or commercial.
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.
Related conversions
Related conversions you may need next: us fluid ounces to us quarts, uk fluid ounces to uk quarts, us quarts to liters and uk fluid ounces to milliliters. 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 macro calculator.
Frequently asked questions
How many US quarts are in a UK fluid ounce?
There are 0.0300237 US quarts in 1 UK fluid ounce (1 imp fl oz = 0.0300237481 qt).
How many UK fluid ounces are in a US quart?
There are 33.307 UK fluid ounces in 1 US quart (1 qt = 33.3069673852 imp fl oz).
How do I convert UK fluid ounces to US quarts?
Use qt = imp fl oz × 0.0300237. So 10 imp fl oz becomes 0.300237 qt; for the reverse, multiply by 33.307.
What is 10 imp fl oz in US quarts?
10 imp fl oz = 0.300237 qt.
What is 100 imp fl oz in US quarts?
100 imp fl oz = 3.00237 qt.
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 UK fluid ounces to US quarts?
In your head: multiply by 0.03 (about 0.079% off). 20 imp fl oz × 0.03 ≈ 0.6 qt.
How many US quarts is 1 imp fl oz (one imperial fluid ounce)?
1 imp fl oz = 0.0300237 qt.
How many UK fluid ounces is an engine oil change (5 qt)?
5 qt = 166.535 imp fl oz.
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