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US Quarts to UK Quarts (qt to imp qt) Converter

1 US quart (qt) = 0.832674 UK quarts (imp qt). To convert US quarts to UK quarts, multiply by 0.832674: 25 qt × 0.832674 = 20.8169 imp qt.

1 qt = 0.8326741846 imp qt
Convert the other way: UK Quarts to US Quarts

Quick facts

How to convert US quarts to UK quarts

  1. Take the value in US quarts.
  2. Multiply it by 0.832674 (the number of UK quarts in one US quart).
  3. Round the result to the precision you need.
imp qt = qt × 0.832674

Worked example: 25 qt × 0.832674 = 20.8169 imp qt.

To convert UK quarts back to US quarts, multiply by 1.20095, or divide by 0.832674.

Source: NIST Handbook 44, Appendix C, and NIST SP 811 (US customary volume units).

US Quarts to UK Quarts conversion table

US Quarts to UK Quarts conversion table
US Quarts [qt]UK Quarts [imp qt]
0.01 qt0.0083267418 imp qt
0.1 qt0.0832674185 imp qt
1 qt0.8326741846 imp qt
2 qt1.6653483693 imp qt
3 qt2.4980225539 imp qt
5 qt4.1633709231 imp qt
10 qt8.3267418463 imp qt
20 qt16.6534836926 imp qt
50 qt41.6337092314 imp qt
100 qt83.2674184629 imp qt
1000 qt832.674184629 imp qt

qt to imp qt chart from 1 to 100

UK Quarts to US Quarts conversion table

UK Quarts to US Quarts conversion table
UK Quarts [imp qt]US Quarts [qt]
0.01 imp qt0.0120094993 qt
0.1 imp qt0.1200949926 qt
1 imp qt1.2009499255 qt
2 imp qt2.401899851 qt
3 imp qt3.6028497765 qt
5 imp qt6.0047496275 qt
10 imp qt12.009499255 qt
20 imp qt24.0189985101 qt
50 imp qt60.0474962752 qt
100 imp qt120.0949925505 qt
1000 imp qt1200.9499255049 qt

US Quarts vs UK Quarts

US QuartUK Quart
Symbolqtimp qt
Equals1 qt = 0.832674 imp qt1 imp qt = 1.20095 qt

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.

What is a UK quart?

A UK imperial unit equal to 2 imperial pints. Found in older UK and Canadian recipes and measuring jugs.

Frequently asked questions

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 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 do I convert US quarts to UK quarts?

Multiply the number of US quarts by 0.832674. For example, 10 qt × 0.832674 = 8.32674 imp qt. To convert back, multiply by 1.20095.

What is 10 qt in UK quarts?

10 qt = 8.32674 imp qt.

What is 100 qt in UK quarts?

100 qt = 83.2674 imp 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.

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Reviewed by

Dr. Muhammad Amjad Khadim PhD Mathematics

Dr. Muhammad Amjad Khadim holds a PhD in Mathematics. He writes and reviews the guides on pakmath.com and checks every formula, conversion factor and worked example against published standards and official guidance before it goes live. Spotted an error? Tell us and it will be corrected.

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First published 28 October 2026 · Last reviewed 5 November 2026