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UK Quarts to US Fluid Ounces (imp qt to fl oz) Converter

1 UK quart (imp qt) = 38.4304 US fluid ounces (fl oz). To convert UK quarts to US fluid ounces, multiply by 38.4304: 25 imp qt × 38.4304 = 960.76 fl oz.

1 imp qt = 38.4303975674 fl oz
Convert the other way: US Fluid Ounces to UK Quarts

Quick facts

How to convert UK quarts to US fluid ounces

  1. Start with your measurement in UK quarts.
  2. Multiply it by 38.4304 (the number of US fluid ounces in one UK quart).
  3. Round the result to the precision you need.
fl oz = imp qt × 38.4304

Worked example: 25 imp qt × 38.4304 = 960.76 fl oz.

To convert US fluid ounces back to UK quarts, multiply by 0.0260211, or divide by 38.4304.

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

UK Quarts to US Fluid Ounces conversion table

UK Quarts to US Fluid Ounces conversion table
UK Quarts [imp qt]US Fluid Ounces [fl oz]
0.01 imp qt0.3843039757 fl oz
0.1 imp qt3.8430397567 fl oz
1 imp qt38.4303975674 fl oz
2 imp qt76.8607951348 fl oz
3 imp qt115.2911927023 fl oz
5 imp qt192.1519878371 fl oz
10 imp qt384.3039756742 fl oz
20 imp qt768.6079513485 fl oz
50 imp qt1921.5198783712 fl oz
100 imp qt3843.0397567425 fl oz
1000 imp qt38430.3975674246 fl oz

imp qt to fl oz chart from 1 to 100

US Fluid Ounces to UK Quarts conversion table

US Fluid Ounces to UK Quarts conversion table
US Fluid Ounces [fl oz]UK Quarts [imp qt]
0.01 fl oz0.0002602107 imp qt
0.1 fl oz0.0026021068 imp qt
1 fl oz0.0260210683 imp qt
2 fl oz0.0520421366 imp qt
3 fl oz0.0780632049 imp qt
5 fl oz0.1301053415 imp qt
10 fl oz0.260210683 imp qt
20 fl oz0.5204213661 imp qt
50 fl oz1.3010534151 imp qt
100 fl oz2.6021068303 imp qt
1000 fl oz26.0210683027 imp qt

UK Quarts vs US Fluid Ounces

UK QuartUS Fluid Ounce
Symbolimp qtfl oz
Equals1 imp qt = 38.4304 fl oz1 fl oz = 0.0260211 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 fluid ounce?

A US customary unit equal to 1/16 of a US pint. Used in the US for beverage and bottle sizes.

When You Need to Convert UK Quarts to US Fluid Ounces

UK quarts are used mainly in the UK (pub pints, fuel economy in mpg) and older Canadian recipes, while US fluid ounces 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 fl oz?

1 imp qt is 38.4304 times the size of 1 fl oz, so the number gets bigger when you convert UK quarts to US fluid ounces.

UK Quarts to US Fluid Ounces without a calculator

Real-world imp qt to fl oz examples

Everyday UK quarts and US fluid ounces
ExampleUK QuartsUS Fluid Ounces
An older recipe measure1 imp qt38.4304 fl oz
Half an imperial gallon2 imp qt76.8608 fl oz
A can of soda0.312253 imp qt12 fl oz
A US pint glass0.416337 imp qt16 fl oz
One cup0.208169 imp qt8 fl oz

How exact is the imp qt to fl oz factor?

The factor is exact by definition, so any error comes only from rounding. For everyday use, 3 significant figures are plenty; for engineering or invoices, keep 5 or more.

Mistakes to avoid

What people convert next

Next, you might want us quarts to us fluid ounces, uk quarts to uk fluid ounces, us fluid ounces to milliliters and uk quarts to liters. The full volume converter lists every unit.

On pakmath.com, the percentage calculator is a useful next step; Adzita offers a free calorie calculator.

Frequently asked questions

How many US fluid ounces are in a UK quart?

There are 38.4304 US fluid ounces in 1 UK quart (1 imp qt = 38.4303975674 fl oz).

How many UK quarts are in a US fluid ounce?

There are 0.0260211 UK quarts in 1 US fluid ounce (1 fl oz = 0.0260210683 imp qt).

How do I convert UK quarts to US fluid ounces?

Multiply the number of UK quarts by 38.4304. For example, 10 imp qt × 38.4304 = 384.304 fl oz. To convert back, multiply by 0.0260211.

What is 10 imp qt in US fluid ounces?

10 imp qt = 384.304 fl oz.

What is 100 imp qt in US fluid ounces?

100 imp qt = 3,843.04 fl oz.

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 quarts to US fluid ounces?

In your head: multiply by 40 (about 4.1% off). 2 imp qt × 40 ≈ 80 fl oz.

How many US fluid ounces is 1 imp qt (an older recipe measure)?

1 imp qt = 38.4304 fl oz.

How many UK quarts is a can of soda (12 fl oz)?

12 fl oz = 0.312253 imp qt.

Popular volume conversions

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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