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

1 UK quart (imp qt) = 40 UK fluid ounces (imp fl oz). To convert UK quarts to UK fluid ounces, multiply by 40: 25 imp qt × 40 = 1,000 imp fl oz.

1 imp qt = 40 imp fl oz
Convert the other way: UK Fluid Ounces to UK Quarts

Quick facts

How to convert UK quarts to UK fluid ounces

  1. Take the value in UK quarts.
  2. Multiply it by 40 (the number of UK fluid ounces in one UK quart).
  3. Round the result to the precision you need.
imp fl oz = imp qt × 40

Worked example: 25 imp qt × 40 = 1000 imp fl oz.

To convert UK fluid ounces back to UK quarts, multiply by 0.025, or divide by 40.

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

UK Quarts to UK Fluid Ounces conversion table

UK Quarts to UK Fluid Ounces conversion table
UK Quarts [imp qt]UK Fluid Ounces [imp fl oz]
0.01 imp qt0.4 imp fl oz
0.1 imp qt4 imp fl oz
1 imp qt40 imp fl oz
2 imp qt80 imp fl oz
3 imp qt120 imp fl oz
5 imp qt200 imp fl oz
10 imp qt400 imp fl oz
20 imp qt800 imp fl oz
50 imp qt2000 imp fl oz
100 imp qt4000 imp fl oz
1000 imp qt40000 imp fl oz

imp qt to imp fl oz chart from 1 to 100

UK Fluid Ounces to UK Quarts conversion table

UK Fluid Ounces to UK Quarts conversion table
UK Fluid Ounces [imp fl oz]UK Quarts [imp qt]
0.01 imp fl oz0.00025 imp qt
0.1 imp fl oz0.0025 imp qt
1 imp fl oz0.025 imp qt
2 imp fl oz0.05 imp qt
3 imp fl oz0.075 imp qt
5 imp fl oz0.125 imp qt
10 imp fl oz0.25 imp qt
20 imp fl oz0.5 imp qt
50 imp fl oz1.25 imp qt
100 imp fl oz2.5 imp qt
1000 imp fl oz25 imp qt

UK Quarts vs UK Fluid Ounces

UK QuartUK Fluid Ounce
Symbolimp qtimp fl oz
Equals1 imp qt = 40 imp fl oz1 imp fl oz = 0.025 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 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.

Frequently asked questions

How many UK fluid ounces are in a UK quart?

There are 40 UK fluid ounces in 1 UK quart (1 imp qt = 40 imp fl oz).

How many UK quarts are in a UK fluid ounce?

There are 0.025 UK quarts in 1 UK fluid ounce (1 imp fl oz = 0.025 imp qt).

How do I convert UK quarts to UK fluid ounces?

Multiply the number of UK quarts by 40. For example, 10 imp qt × 40 = 400 imp fl oz. To convert back, multiply by 0.025.

What is 10 imp qt in UK fluid ounces?

10 imp qt = 400 imp fl oz.

What is 100 imp qt in UK fluid ounces?

100 imp qt = 4,000 imp 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.

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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