UK Fluid Ounces to Millilitres Converter
Instantly convert UK (imperial) fluid ounces to millilitres. Accurate, free volume calculator for cooking, baking, drinks and medicine measurements.
Calculate Your Millilitres
Enter the number of UK fluid ounces below to get an instant, precise conversion to millilitres, along with litre and centilitre equivalents.
Volume Converter
Enter the UK fl oz to see the millilitre equivalent
Typically ranges from 1 fl oz (a shot) to 20 fl oz (one imperial pint)
Helps provide a more relevant real-world size comparison
Converted Volume
Based on the standard UK imperial fluid ounce
UK Fl Oz to Millilitres Reference Chart
Standard conversions for quick lookup when following UK recipes, measuring drinks, or reading medicine dosage instructions.
| UK Fl Oz | Millilitres (ml) | Litres (l) | Common Reference |
|---|---|---|---|
| 1 fl oz | 28.4 ml | 0.028 l | A single shot |
| 2 fl oz | 56.8 ml | 0.057 l | A double shot |
| 5 fl oz | 142.1 ml | 0.142 l | A small glass of wine |
| 8 fl oz | 227.3 ml | 0.227 l | A large mug |
| 10 fl oz | 284.1 ml | 0.284 l | Half an imperial pint |
| 15 fl oz | 426.2 ml | 0.426 l | Three-quarters of a pint |
| 20 fl oz | 568.3 ml | 0.568 l | One imperial pint |
| 40 fl oz | 1136.5 ml | 1.137 l | One imperial quart |
| 160 fl oz | 4546.1 ml | 4.546 l | One imperial gallon |
Fluid Ounce Conversion FAQ
Everything you need to know about converting UK fluid ounces to millilitres accurately.
To convert UK fluid ounces to millilitres, multiply the number of fluid ounces by 28.41. For example, 5 UK fl oz multiplied by 28.41 equals approximately 142 millilitres.
8 UK fluid ounces equals approximately 227 millilitres. This is a common measurement for a large mug or a standard breakfast cup in UK recipes.
No, they are different. A UK (imperial) fluid ounce equals about 28.41 millilitres, while a US fluid ounce equals about 29.57 millilitres. This means recipes and packaging using US fl oz will need a different conversion factor.
There are 20 UK fluid ounces in one imperial pint, which is equal to approximately 568 millilitres. This is why a standard UK pint of beer is a well-known reference volume.