How Many Imperial Fluid Ounces in a US Fluid Ounce?

Quick Answer
1 US Fluid Ounce = 1.0408403 Imperial Fluid Ounces

1 fl oz = 1.0408403 imp fl oz

1.04084

≈ 1 3/64 imp fl oz

Formula

imp fl oz = fl oz × 1.0408403

The calculator multiplies each fl oz value by 1.0408403. For the reverse direction, divide imp fl oz by 1.0408403; equivalently, 1 imp fl oz = 0.96076217 fl oz.

Conversion Table

US Fluid Ounces (fl oz)Imperial Fluid Ounces (imp fl oz)
1 fl oz1.0408403 imp fl oz
2 fl oz2.0816806 imp fl oz
5 fl oz5.2042016 imp fl oz
10 fl oz10.408403 imp fl oz
20 fl oz20.816806 imp fl oz
50 fl oz52.042016 imp fl oz
100 fl oz104.08403 imp fl oz
500 fl oz520.42016 imp fl oz
1,000 fl oz1,040.8403 imp fl oz

Worked Examples

Convert 5 fl oz to imp fl oz:
5 fl oz × 1.0408403 = 5.2042016 imp fl oz
Convert 10 fl oz to imp fl oz:
10 fl oz × 1.0408403 = 10.408403 imp fl oz
Convert 50 fl oz to imp fl oz:
50 fl oz × 1.0408403 = 52.042016 imp fl oz

FAQ

How many Imperial Fluid Ounces are in 1 US Fluid Ounce?
There are 1.0408403 Imperial Fluid Ounces in 1 US Fluid Ounce. Formula: imp fl oz = fl oz × 1.0408403.
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 1.0408403. For example, 10 fl oz = 10.408403 imp fl oz.
How many Imperial Fluid Ounces are in 100 US Fluid Ounces?
There are 104.08403 Imperial Fluid Ounces in 100 US Fluid Ounces. Calculation: 100 × 1.0408403 = 104.08403.