UK fluid ounces to Millilitres
Type a value in UK fluid ounces and get the result in Millilitres, calculated exactly.
1 UK fluid ounces = 28.4130625 Millilitres
Precision
Exact factorThis result is exact.
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Formula
mL = fl oz (UK) × 28.4130625
To convert UK fluid ounces to Millilitres, multiply the value by 28.4130625.
Worked examples
- 1 fl oz (UK) × 28.4130625 = 28.4130625 mL
- 100 fl oz (UK) × 28.4130625 = 2,841.30625 mL
- 50 fl oz (UK) × 28.4130625 = 1,420.653125 mL
This factor is exact by definition.
Conversion table
| UK fluid ounces (fl oz (UK)) | Millilitres (mL) |
|---|---|
| 0.25 | 7.103265625 |
| 0.5 | 14.20653125 |
| 0.75 | 21.309796875 |
| 1 | 28.4130625 |
| 1.5 | 42.61959375 |
| 2 | 56.826125 |
| 2.5 | 71.03265625 |
| 3 | 85.2391875 |
| 4 | 113.65225 |
| 5 | 142.0653125 |
| 6 | 170.478375 |
| 8 | 227.3045 |
| 10 | 284.130625 |
Values marked ≈ are rounded; the rest are exact.
Reverse table: Millilitres to UK fluid ounces
| Millilitres (mL) | UK fluid ounces (fl oz (UK)) |
|---|---|
| 0.25 | ≈ 0.00879877 |
| 0.5 | ≈ 0.01759754 |
| 0.75 | ≈ 0.02639631 |
| 1 | ≈ 0.03519508 |
| 1.5 | ≈ 0.05279262 |
| 2 | ≈ 0.07039016 |
| 2.5 | ≈ 0.0879877 |
| 3 | ≈ 0.1055852 |
| 4 | ≈ 0.1407803 |
| 5 | ≈ 0.1759754 |
| 6 | ≈ 0.2111705 |
| 8 | ≈ 0.2815606 |
| 10 | ≈ 0.3519508 |
Unit definitions
- UK fluid ounces fl oz (UK)
- One 20th of an imperial pint: exactly 28.4130625 mL.
- Millilitres mL
- One thousandth of a litre.
Questions people ask
UK fluid ounces to Millilitres: what is the conversion factor?
One fl oz (UK) is 28.4130625 mL.
How do I convert UK fluid ounces to Millilitres?
Use the formula above. For example, 100 fl oz (UK) = 2,841.30625 mL.
Is the conversion exact?
Yes. Both units have exact definitions, so the factor is exact; a result is only rounded when its decimals never end.
Factors checked 19 October 2026.