Fluid Ounces to Imperial Fluid Ounces
Convert fluid ounces (fl oz) to imperial fluid ounces (imp fl oz). Type in either box; the other updates as you go.
How to convert fluid ounces to imperial fluid ounces
To convert fluid ounces to imperial fluid ounces, multiply the number of fluid ounces by 1.040842731.
Example
Convert 5 fluid ounces to imperial fluid ounces:
Fluid Ounce to imperial fluid ounce conversion chart
| Fluid Ounces (fl oz) | Imperial Fluid Ounces (imp fl oz) |
|---|---|
| 1 fl oz | 1.040843 imp fl oz |
| 2 fl oz | 2.081685 imp fl oz |
| 3 fl oz | 3.122528 imp fl oz |
| 4 fl oz | 4.163371 imp fl oz |
| 5 fl oz | 5.204214 imp fl oz |
| 6 fl oz | 6.245056 imp fl oz |
| 7 fl oz | 7.285899 imp fl oz |
| 8 fl oz | 8.326742 imp fl oz |
| 9 fl oz | 9.367585 imp fl oz |
| 10 fl oz | 10.40843 imp fl oz |
| 12 fl oz | 12.49011 imp fl oz |
| 15 fl oz | 15.61264 imp fl oz |
| 20 fl oz | 20.81685 imp fl oz |
| 25 fl oz | 26.02107 imp fl oz |
| 30 fl oz | 31.22528 imp fl oz |
| 40 fl oz | 41.63371 imp fl oz |
| 50 fl oz | 52.04214 imp fl oz |
| 60 fl oz | 62.45056 imp fl oz |
| 70 fl oz | 72.85899 imp fl oz |
| 75 fl oz | 78.0632 imp fl oz |
| 80 fl oz | 83.26742 imp fl oz |
| 90 fl oz | 93.67585 imp fl oz |
| 100 fl oz | 104.0843 imp fl oz |
| 150 fl oz | 156.1264 imp fl oz |
| 200 fl oz | 208.1685 imp fl oz |
| 250 fl oz | 260.2107 imp fl oz |
| 500 fl oz | 520.4214 imp fl oz |
| 1,000 fl oz | 1,040.843 imp fl oz |
Going the other way? See the imperial fluid ounces to fluid ounces chart.
About the units
Fluid Ounce (fl oz)
A US fluid ounce is 1/128 of a US gallon, about 29.57 milliliters. It measures liquid volume, not weight.
Imperial Fluid Ounce (imp fl oz)
An imperial fluid ounce is about 28.41 milliliters, slightly smaller than a US fluid ounce.
Frequently asked questions
How many imperial fluid ounces are in a fluid ounce?
There are 1.040842731 imperial fluid ounces in a fluid ounce.
How many fluid ounces are in an imperial fluid ounce?
There are 0.9607599404 fluid ounces in an imperial fluid ounce.
How do you convert fluid ounces to imperial fluid ounces?
To convert fluid ounces to imperial fluid ounces, multiply the number of fluid ounces by 1.040842731.
What is 5 fluid ounces in imperial fluid ounces?
5 fluid ounces equals 5.20421 imperial fluid ounces.
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