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.
Quick facts
- 1 tbsp = 0.520421 imp fl oz
- 1 imp fl oz = 1.92152 tbsp
- Formula: imp fl oz = tbsp × 0.520421
- Quick estimate: multiply by about 0.52
How to convert US tablespoons to UK fluid ounces
- Start with your measurement in US tablespoons.
- Multiply it by 0.520421 (the number of UK fluid ounces in one US tablespoon).
- Round the result to the precision you need.
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 [tbsp] | UK Fluid Ounces [imp fl oz] |
|---|---|
| 0.01 tbsp | 0.0052042137 imp fl oz |
| 0.1 tbsp | 0.0520421366 imp fl oz |
| 1 tbsp | 0.5204213661 imp fl oz |
| 2 tbsp | 1.0408427321 imp fl oz |
| 3 tbsp | 1.5612640982 imp fl oz |
| 5 tbsp | 2.6021068303 imp fl oz |
| 10 tbsp | 5.2042136605 imp fl oz |
| 20 tbsp | 10.4084273211 imp fl oz |
| 50 tbsp | 26.0210683027 imp fl oz |
| 100 tbsp | 52.0421366053 imp fl oz |
| 1000 tbsp | 520.421366053 imp fl oz |
tbsp to imp fl oz chart from 1 to 100
- 1 tbsp 0.520421 imp fl oz
- 2 tbsp 1.04084 imp fl oz
- 3 tbsp 1.56126 imp fl oz
- 4 tbsp 2.08169 imp fl oz
- 5 tbsp 2.60211 imp fl oz
- 6 tbsp 3.12253 imp fl oz
- 7 tbsp 3.64295 imp fl oz
- 8 tbsp 4.16337 imp fl oz
- 9 tbsp 4.68379 imp fl oz
- 10 tbsp 5.20421 imp fl oz
- 11 tbsp 5.72464 imp fl oz
- 12 tbsp 6.24506 imp fl oz
- 13 tbsp 6.76548 imp fl oz
- 14 tbsp 7.2859 imp fl oz
- 15 tbsp 7.80632 imp fl oz
- 16 tbsp 8.32674 imp fl oz
- 17 tbsp 8.84716 imp fl oz
- 18 tbsp 9.36758 imp fl oz
- 19 tbsp 9.88801 imp fl oz
- 20 tbsp 10.4084 imp fl oz
- 25 tbsp 13.0105 imp fl oz
- 30 tbsp 15.6126 imp fl oz
- 35 tbsp 18.2147 imp fl oz
- 40 tbsp 20.8169 imp fl oz
- 45 tbsp 23.419 imp fl oz
- 50 tbsp 26.0211 imp fl oz
- 55 tbsp 28.6232 imp fl oz
- 60 tbsp 31.2253 imp fl oz
- 65 tbsp 33.8274 imp fl oz
- 70 tbsp 36.4295 imp fl oz
- 75 tbsp 39.0316 imp fl oz
- 80 tbsp 41.6337 imp fl oz
- 85 tbsp 44.2358 imp fl oz
- 90 tbsp 46.8379 imp fl oz
- 95 tbsp 49.44 imp fl oz
- 100 tbsp 52.0421 imp fl oz
UK Fluid Ounces to US Tablespoons conversion table
| UK Fluid Ounces [imp fl oz] | US Tablespoons [tbsp] |
|---|---|
| 0.01 imp fl oz | 0.0192151988 tbsp |
| 0.1 imp fl oz | 0.1921519878 tbsp |
| 1 imp fl oz | 1.9215198784 tbsp |
| 2 imp fl oz | 3.8430397567 tbsp |
| 3 imp fl oz | 5.7645596351 tbsp |
| 5 imp fl oz | 9.6075993919 tbsp |
| 10 imp fl oz | 19.2151987837 tbsp |
| 20 imp fl oz | 38.4303975674 tbsp |
| 50 imp fl oz | 96.0759939186 tbsp |
| 100 imp fl oz | 192.1519878371 tbsp |
| 1000 imp fl oz | 1921.5198783712 tbsp |
US Tablespoons vs UK Fluid Ounces
| US Tablespoon | UK Fluid Ounce | |
|---|---|---|
| Symbol | tbsp | imp fl oz |
| Equals | 1 tbsp = 0.520421 imp fl oz | 1 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.
Who Converts US Tablespoons to UK Fluid Ounces?
US tablespoons are used mainly in the United States, while UK fluid ounces are used mainly in the UK (pub pints, fuel economy in mpg) and older Canadian recipes. This conversion bridges the US customary and metric systems, so it comes up whenever a figure crosses the US border with Canada or the Atlantic with the UK: product specifications, travel, recipes, school work and trade.
How big is 1 tbsp compared with 1 imp fl oz?
1 tbsp is only 0.520421 of 1 imp fl oz: you need 1.92152 US tablespoons to make 1 imp fl oz, so the number gets smaller when you convert. The two are close in size: 1 imp fl oz is about 92.2% larger than 1 tbsp, which is easy to miss.
US Tablespoons to UK Fluid Ounces without a calculator
- In your head: multiply by 0.5 (about 3.9% off). 1 tbsp × 0.5 ≈ 0.5 imp fl oz.
- Closer estimate: multiply by 0.52 (within 0.081%).
- Or divide: divide by 1.9 (within 1.1%), which is often easier than multiplying by a small decimal.
Real-world tbsp to imp fl oz examples
| Example | US Tablespoons | UK Fluid Ounces |
|---|---|---|
| A tablespoon of oil | 1 tbsp | 0.520421 imp fl oz |
| Two tablespoons of butter | 2 tbsp | 1.04084 imp fl oz |
| Three tablespoons of honey | 3 tbsp | 1.56126 imp fl oz |
| One imperial pint | 38.4304 tbsp | 20 imp fl oz |
| Half a pint | 19.2152 tbsp | 10 imp fl oz |
| One imperial fluid ounce | 1.92152 tbsp | 1 imp fl oz |
How exact is the tbsp to imp fl oz factor?
The factor is exact by definition, so any error comes only from rounding. Round the final answer, not the factor, and match the precision of the number you started with.
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.
- An Australian tablespoon is 20 ml, not 14.8 ml, so Australian recipes need a different factor.
Background on US tablespoons and UK fluid ounces
A US tablespoon is about 14.8 ml; an Australian tablespoon is 20 ml.
Related conversions
Related conversions you may need next: us tablespoons to us fluid ounces, uk fluid ounces to milliliters, uk fluid ounces to us fluid ounces and us tablespoons to milliliters. The full volume converter lists every unit.
On pakmath.com, the scientific calculator is a useful next step, as is the percentage calculator; Adzita offers a free calorie calculator.
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 by 0.520421, or divide by 1.92152 if that is easier. Example: 10 tbsp = 5.20421 imp fl oz.
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.
What is an easy way to convert US tablespoons to UK fluid ounces?
In your head: multiply by 0.5 (about 3.9% off). 1 tbsp × 0.5 ≈ 0.5 imp fl oz.
How many UK fluid ounces is 1 tbsp (a tablespoon of oil)?
1 tbsp = 0.520421 imp fl oz.
How many US tablespoons is one imperial pint (20 imp fl oz)?
20 imp fl oz = 38.4304 tbsp.
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