UK Quarts to US Quarts (imp qt to qt) Converter
1 UK quart (imp qt) = 1.20095 US quarts (qt). To convert UK quarts to US quarts, multiply by 1.20095: 25 imp qt × 1.20095 = 30.0237 qt.
Quick facts
- 1 imp qt = 1.20095 qt
- 1 qt = 0.832674 imp qt
- Formula: qt = imp qt × 1.20095
- Quick estimate: multiply by about 1.2
How to convert UK quarts to US quarts
- Take the value in UK quarts.
- Multiply it by 1.20095 (the number of US quarts in one UK quart).
- Round the answer to a sensible number of decimal places.
Worked example: 25 imp qt × 1.20095 = 30.0237 qt.
To convert US quarts back to UK quarts, multiply by 0.832674, or divide by 1.20095.
Source: NIST Handbook 44, Appendix C, and NIST SP 811 (US customary volume units).
UK Quarts to US Quarts conversion table
| UK Quarts [imp qt] | US Quarts [qt] |
|---|---|
| 0.01 imp qt | 0.0120094993 qt |
| 0.1 imp qt | 0.1200949926 qt |
| 1 imp qt | 1.2009499255 qt |
| 2 imp qt | 2.401899851 qt |
| 3 imp qt | 3.6028497765 qt |
| 5 imp qt | 6.0047496275 qt |
| 10 imp qt | 12.009499255 qt |
| 20 imp qt | 24.0189985101 qt |
| 50 imp qt | 60.0474962752 qt |
| 100 imp qt | 120.0949925505 qt |
| 1000 imp qt | 1200.9499255049 qt |
imp qt to qt chart from 1 to 100
- 1 imp qt 1.20095 qt
- 2 imp qt 2.4019 qt
- 3 imp qt 3.60285 qt
- 4 imp qt 4.8038 qt
- 5 imp qt 6.00475 qt
- 6 imp qt 7.2057 qt
- 7 imp qt 8.40665 qt
- 8 imp qt 9.6076 qt
- 9 imp qt 10.8085 qt
- 10 imp qt 12.0095 qt
- 11 imp qt 13.2104 qt
- 12 imp qt 14.4114 qt
- 13 imp qt 15.6123 qt
- 14 imp qt 16.8133 qt
- 15 imp qt 18.0142 qt
- 16 imp qt 19.2152 qt
- 17 imp qt 20.4161 qt
- 18 imp qt 21.6171 qt
- 19 imp qt 22.818 qt
- 20 imp qt 24.019 qt
- 25 imp qt 30.0237 qt
- 30 imp qt 36.0285 qt
- 35 imp qt 42.0332 qt
- 40 imp qt 48.038 qt
- 45 imp qt 54.0427 qt
- 50 imp qt 60.0475 qt
- 55 imp qt 66.0522 qt
- 60 imp qt 72.057 qt
- 65 imp qt 78.0617 qt
- 70 imp qt 84.0665 qt
- 75 imp qt 90.0712 qt
- 80 imp qt 96.076 qt
- 85 imp qt 102.081 qt
- 90 imp qt 108.085 qt
- 95 imp qt 114.09 qt
- 100 imp qt 120.095 qt
US Quarts to UK Quarts conversion table
| US Quarts [qt] | UK Quarts [imp qt] |
|---|---|
| 0.01 qt | 0.0083267418 imp qt |
| 0.1 qt | 0.0832674185 imp qt |
| 1 qt | 0.8326741846 imp qt |
| 2 qt | 1.6653483693 imp qt |
| 3 qt | 2.4980225539 imp qt |
| 5 qt | 4.1633709231 imp qt |
| 10 qt | 8.3267418463 imp qt |
| 20 qt | 16.6534836926 imp qt |
| 50 qt | 41.6337092314 imp qt |
| 100 qt | 83.2674184629 imp qt |
| 1000 qt | 832.674184629 imp qt |
UK Quarts vs US Quarts
| UK Quart | US Quart | |
|---|---|---|
| Symbol | imp qt | qt |
| Equals | 1 imp qt = 1.20095 qt | 1 qt = 0.832674 imp qt |
What is a UK quart?
A UK imperial unit equal to 2 imperial pints. Found in older UK and Canadian recipes and measuring jugs.
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.
Where You Will Meet UK Quarts and US Quarts
UK quarts 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 qt compared with 1 qt?
1 imp qt is 1.20095 times the size of 1 qt, so the number gets bigger when you convert UK quarts to US quarts. The two are close in size: 1 imp qt is about 20.1% larger than 1 qt, which is easy to miss.
UK Quarts to US Quarts without a calculator
- Closer estimate: multiply by 1.2 (within 0.079%).
- Fraction trick: multiply by 6, then divide by 5 (within 0.079%).
Real-world imp qt to qt examples
| Example | UK Quarts | US Quarts |
|---|---|---|
| An older recipe measure | 1 imp qt | 1.20095 qt |
| Half an imperial gallon | 2 imp qt | 2.4019 qt |
| A quart of milk | 0.832674 imp qt | 1 qt |
| An engine oil change | 4.16337 imp qt | 5 qt |
How exact is the imp qt 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.
What people convert next
People who convert uk quarts to us quarts often need us quarts to liters and uk quarts to liters. The full volume converter lists every unit.
On pakmath.com, the scientific calculator is a useful next step, as is the percentage calculator; our sister site Adzita has a calorie calculator.
Frequently asked questions
How many US quarts are in a UK quart?
There are 1.20095 US quarts in 1 UK quart (1 imp qt = 1.2009499255 qt).
How many UK quarts are in a US quart?
There are 0.832674 UK quarts in 1 US quart (1 qt = 0.8326741846 imp qt).
How do I convert UK quarts to US quarts?
Multiply the number of UK quarts by 1.20095. For example, 10 imp qt × 1.20095 = 12.0095 qt. To convert back, multiply by 0.832674.
What is 10 imp qt in US quarts?
10 imp qt = 12.0095 qt.
What is 100 imp qt in US quarts?
100 imp qt = 120.095 qt.
How accurate is this UK quart to US 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 UK quarts to US quarts?
Closer estimate: multiply by 1.2 (within 0.079%).
How many US quarts is 2 imp qt (half an imperial gallon)?
2 imp qt = 2.4019 qt.
How many UK quarts is an engine oil change (5 qt)?
5 qt = 4.16337 imp qt.
Related conversions
Popular volume conversions
- Liters to US Gallons
- US Gallons to Liters
- Milliliters to US Cups
- US Cups to Milliliters
- US Tablespoons to Milliliters
- US Teaspoons to Milliliters
- Milliliters to US Fluid Ounces
- US Fluid Ounces to Milliliters
- US Tablespoons to US Fluid Ounces
- Liters to UK Gallons
- UK Gallons to Liters
- UK Gallons to US Gallons
Convert UK quarts to other units
- UK Quarts to Milliliters
- UK Quarts to Liters
- UK Quarts to Cubic Meters
- UK Quarts to US Teaspoons
- UK Quarts to US Tablespoons
- UK Quarts to US Fluid Ounces
- UK Quarts to US Cups
- UK Quarts to US Pints
- UK Quarts to US Gallons
- UK Quarts to UK Fluid Ounces
- UK Quarts to UK Pints
- UK Quarts to UK Gallons
- UK Quarts to Cubic Feet
- UK Quarts to Cubic Inches
Convert other units to US quarts
- Milliliters to US Quarts
- Liters to US Quarts
- Cubic Meters to US Quarts
- US Teaspoons to US Quarts
- US Tablespoons to US Quarts
- US Fluid Ounces to US Quarts
- US Cups to US Quarts
- US Pints to US Quarts
- US Gallons to US Quarts
- UK Fluid Ounces to US Quarts
- UK Pints to US Quarts
- UK Gallons to US Quarts
- Cubic Feet to US Quarts
- Cubic Inches to US Quarts
Open the full volume converter with every unit →