US Cups to UK Quarts (cup to imp qt) Converter
1 US cup (cup) = 0.208169 UK quarts (imp qt). To convert US cups to UK quarts, multiply by 0.208169: 2 cup × 0.208169 = 0.416337 imp qt.
Quick facts
- 1 cup = 0.208169 imp qt
- 1 imp qt = 4.8038 cup
- Formula: imp qt = cup × 0.208169
- Quick estimate: multiply by about 0.21
How to convert US cups to UK quarts
- Take the value in US cups.
- Multiply it by 0.208169 (the number of UK quarts in one US cup).
- Round the result to the precision you need.
Worked example (a recipe): 2 cup × 0.208169 = 0.416337 imp qt.
To convert UK quarts back to US cups, multiply by 4.8038, or divide by 0.208169.
Source: NIST Handbook 44, Appendix C, and NIST SP 811 (US customary volume units).
US Cups to UK Quarts conversion table
| US Cups [cup] | UK Quarts [imp qt] |
|---|---|
| 0.01 cup | 0.0020816855 imp qt |
| 0.1 cup | 0.0208168546 imp qt |
| 1 cup | 0.2081685462 imp qt |
| 2 cup | 0.4163370923 imp qt |
| 3 cup | 0.6245056385 imp qt |
| 5 cup | 1.0408427308 imp qt |
| 10 cup | 2.0816854616 imp qt |
| 20 cup | 4.1633709231 imp qt |
| 50 cup | 10.4084273079 imp qt |
| 100 cup | 20.8168546157 imp qt |
| 1000 cup | 208.1685461572 imp qt |
cup to imp qt chart from 1 to 100
- 1 cup 0.208169 imp qt
- 2 cup 0.416337 imp qt
- 3 cup 0.624506 imp qt
- 4 cup 0.832674 imp qt
- 5 cup 1.04084 imp qt
- 6 cup 1.24901 imp qt
- 7 cup 1.45718 imp qt
- 8 cup 1.66535 imp qt
- 9 cup 1.87352 imp qt
- 10 cup 2.08169 imp qt
- 11 cup 2.28985 imp qt
- 12 cup 2.49802 imp qt
- 13 cup 2.70619 imp qt
- 14 cup 2.91436 imp qt
- 15 cup 3.12253 imp qt
- 16 cup 3.3307 imp qt
- 17 cup 3.53887 imp qt
- 18 cup 3.74703 imp qt
- 19 cup 3.9552 imp qt
- 20 cup 4.16337 imp qt
- 25 cup 5.20421 imp qt
- 30 cup 6.24506 imp qt
- 35 cup 7.2859 imp qt
- 40 cup 8.32674 imp qt
- 45 cup 9.36758 imp qt
- 50 cup 10.4084 imp qt
- 55 cup 11.4493 imp qt
- 60 cup 12.4901 imp qt
- 65 cup 13.531 imp qt
- 70 cup 14.5718 imp qt
- 75 cup 15.6126 imp qt
- 80 cup 16.6535 imp qt
- 85 cup 17.6943 imp qt
- 90 cup 18.7352 imp qt
- 95 cup 19.776 imp qt
- 100 cup 20.8169 imp qt
UK Quarts to US Cups conversion table
| UK Quarts [imp qt] | US Cups [cup] |
|---|---|
| 0.01 imp qt | 0.048037997 cup |
| 0.1 imp qt | 0.4803799702 cup |
| 1 imp qt | 4.803799702 cup |
| 2 imp qt | 9.607599404 cup |
| 3 imp qt | 14.4113991061 cup |
| 5 imp qt | 24.0189985101 cup |
| 10 imp qt | 48.0379970202 cup |
| 20 imp qt | 96.0759940404 cup |
| 50 imp qt | 240.189985101 cup |
| 100 imp qt | 480.3799702019 cup |
| 1000 imp qt | 4803.7997020194 cup |
US Cups vs UK Quarts
| US Cup | UK Quart | |
|---|---|---|
| Symbol | cup | imp qt |
| Equals | 1 cup = 0.208169 imp qt | 1 imp qt = 4.8038 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 quart?
A UK imperial unit equal to 2 imperial pints. Found in older UK and Canadian recipes and measuring jugs.
Who Converts US Cups to UK Quarts?
US cups are used mainly in the United States, while UK quarts 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 qt?
1 cup is only 0.208169 of 1 imp qt: you need 4.8038 US cups to make 1 imp qt, so the number gets smaller when you convert.
US Cups to UK Quarts without a calculator
- In your head: multiply by 0.2 (about 3.9% off). 1 cup × 0.2 ≈ 0.2 imp qt.
- Closer estimate: multiply by 0.21 (within 0.88%).
- Or divide: divide by 4.8 (within 0.079%), which is often easier than multiplying by a small decimal.
Real-world cup to imp qt examples
| Example | US Cups | UK Quarts |
|---|---|---|
| A cup of milk | 1 cup | 0.208169 imp qt |
| A recipe | 2 cup | 0.416337 imp qt |
| A quarter cup | 0.25 cup | 0.0520421 imp qt |
| Three-quarters of a cup | 0.75 cup | 0.156126 imp qt |
| An older recipe measure | 4.8038 cup | 1 imp qt |
| Half an imperial gallon | 9.6076 cup | 2 imp qt |
How exact is the cup to imp qt 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 quarts
The US customary cup is 236.6 ml, but US nutrition labels use a rounded 240 ml cup.
Related conversions
People who convert us cups to uk quarts often need us cups to us quarts, uk quarts to liters and us cups to milliliters. The full volume converter lists every unit.
On pakmath.com, the scientific calculator is a useful next step; for related everyday maths, try the macro calculator on Adzita.
Frequently asked questions
How many UK quarts are in a US cup?
There are 0.208169 UK quarts in 1 US cup (1 cup = 0.2081685462 imp qt).
How many US cups are in a UK quart?
There are 4.8038 US cups in 1 UK quart (1 imp qt = 4.803799702 cup).
How do I convert US cups to UK quarts?
Multiply by 0.208169, or divide by 4.8038 if that is easier. Example: 10 cup = 2.08169 imp qt.
What is 10 cup in UK quarts?
10 cup = 2.08169 imp qt.
What is 100 cup in UK quarts?
100 cup = 20.8169 imp qt.
How accurate is this US cup to UK quart 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 US cups to UK quarts?
In your head: multiply by 0.2 (about 3.9% off). 1 cup × 0.2 ≈ 0.2 imp qt.
How many UK quarts is 1 cup (a cup of milk)?
1 cup = 0.208169 imp qt.
How many US cups is an older recipe measure (1 imp qt)?
1 imp qt = 4.8038 cup.
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