How Many Imperial Fluid Ounces in a US Fluid Ounce?

Quick Answer
1 US Fluid Ounce = 1.041 Imperial Fluid Ounces

1 fl oz = 1.041 imp fl oz

Formula

imp fl oz = fl oz × 1.041

Conversion Table

US Fluid Ounces (fl oz)Imperial Fluid Ounces (imp fl oz)
1 fl oz1.041 imp fl oz
2 fl oz2.082 imp fl oz
5 fl oz5.204 imp fl oz
10 fl oz10.408 imp fl oz
20 fl oz20.817 imp fl oz
50 fl oz52.042 imp fl oz
100 fl oz104.084 imp fl oz
500 fl oz520.42 imp fl oz
1,000 fl oz1,040.84 imp fl oz

Worked Examples

Convert 5 fl oz to imp fl oz:
5 fl oz × 1.041 = 5.204 imp fl oz
Convert 10 fl oz to imp fl oz:
10 fl oz × 1.041 = 10.408 imp fl oz
Convert 50 fl oz to imp fl oz:
50 fl oz × 1.041 = 52.042 imp fl oz

FAQ

How many Imperial Fluid Ounces are in 1 US Fluid Ounce?
There are 1.041 Imperial Fluid Ounces in 1 US Fluid Ounce. Formula: imp fl oz = fl oz × 1.041.
How to convert US Fluid Ounces to Imperial Fluid Ounces?
To convert US Fluid Ounces to Imperial Fluid Ounces, multiply the number of US Fluid Ounces by 1.041. For example, 10 fl oz = 10.408 imp fl oz.
How many Imperial Fluid Ounces are in 100 US Fluid Ounces?
There are 104.084 Imperial Fluid Ounces in 100 US Fluid Ounces. Calculation: 100 × 1.041 = 104.084.