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US Tablespoons to UK Fluid Ounces (tbsp to imp fl oz) Converter

1 US tablespoon (tbsp) = 0.520421 UK fluid ounces (imp fl oz). To convert US tablespoons to UK fluid ounces, multiply by 0.520421: 3 tbsp × 0.520421 = 1.56126 imp fl oz.

1 tbsp = 0.5204213661 imp fl oz
Convert the other way: UK Fluid Ounces to US Tablespoons

Quick facts

How to convert US tablespoons to UK fluid ounces

  1. Take the value in US tablespoons.
  2. Multiply it by 0.520421 (the number of UK fluid ounces in one US tablespoon).
  3. Round the result to the precision you need.
imp fl oz = tbsp × 0.520421

Worked example (a recipe): 3 tbsp × 0.520421 = 1.56126 imp fl oz.

To convert UK fluid ounces back to US tablespoons, multiply by 1.92152, or divide by 0.520421.

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

US Tablespoons to UK Fluid Ounces conversion table

US Tablespoons to UK Fluid Ounces conversion table
US Tablespoons [tbsp]UK Fluid Ounces [imp fl oz]
0.01 tbsp0.0052042137 imp fl oz
0.1 tbsp0.0520421366 imp fl oz
1 tbsp0.5204213661 imp fl oz
2 tbsp1.0408427321 imp fl oz
3 tbsp1.5612640982 imp fl oz
5 tbsp2.6021068303 imp fl oz
10 tbsp5.2042136605 imp fl oz
20 tbsp10.4084273211 imp fl oz
50 tbsp26.0210683027 imp fl oz
100 tbsp52.0421366053 imp fl oz
1000 tbsp520.421366053 imp fl oz

tbsp to imp fl oz chart from 1 to 100

UK Fluid Ounces to US Tablespoons conversion table

UK Fluid Ounces to US Tablespoons conversion table
UK Fluid Ounces [imp fl oz]US Tablespoons [tbsp]
0.01 imp fl oz0.0192151988 tbsp
0.1 imp fl oz0.1921519878 tbsp
1 imp fl oz1.9215198784 tbsp
2 imp fl oz3.8430397567 tbsp
3 imp fl oz5.7645596351 tbsp
5 imp fl oz9.6075993919 tbsp
10 imp fl oz19.2151987837 tbsp
20 imp fl oz38.4303975674 tbsp
50 imp fl oz96.0759939186 tbsp
100 imp fl oz192.1519878371 tbsp
1000 imp fl oz1921.5198783712 tbsp

US Tablespoons vs UK Fluid Ounces

US TablespoonUK Fluid Ounce
Symboltbspimp fl oz
Equals1 tbsp = 0.520421 imp fl oz1 imp fl oz = 1.92152 tbsp

What is a US tablespoon?

A US customary cooking measure equal to 3 teaspoons. Used in US recipes for moderate quantities of ingredients.

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 US tablespoon?

There are 0.520421 UK fluid ounces in 1 US tablespoon (1 tbsp = 0.5204213661 imp fl oz).

How many US tablespoons are in a UK fluid ounce?

There are 1.92152 US tablespoons in 1 UK fluid ounce (1 imp fl oz = 1.9215198784 tbsp).

How do I convert US tablespoons to UK fluid ounces?

Multiply the number of US tablespoons by 0.520421. For example, 10 tbsp × 0.520421 = 5.20421 imp fl oz. To convert back, multiply by 1.92152.

What is 10 tbsp in UK fluid ounces?

10 tbsp = 5.20421 imp fl oz.

What is 100 tbsp in UK fluid ounces?

100 tbsp = 52.0421 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