Volume

US fluid ounce to Imperial fluid ounce

Convert US fluid ounce (US fl oz) to Imperial fluid ounce (Imp fl oz).

Result1.040843 Imperial fluid ounce (Imp fl oz)

Formula and method

result = value × (0.0295735295625 ÷ 0.0284130625).

The source value is converted to the catalog’s canonical unit, then expressed in the target unit.

Worked examples

These examples use the same conversion engine as the calculator.

  • 1 US fl oz1.04084273 Imp fl oz
  • 5 US fl oz5.20421365 Imp fl oz
  • 10 US fl oz10.40842731 Imp fl oz

Common US fluid ounce values

US fluid ounce to Imperial fluid ounce reference values
US fluid ounce (US fl oz)Imperial fluid ounce (Imp fl oz)
11.04084273
22.08168546
55.20421365
1010.40842731
2526.02106827
5052.04213654
100104.08427308
250260.2106827
500520.42136539
1,0001,040.84273079

How to convert US fluid ounce to Imperial fluid ounce

  1. Enter a value in US fluid ounce in the converter above.
  2. The calculator converts it using the catalog’s linear method.
  3. Choose the decimal precision you need,then copy the displayed result if useful.

Frequently asked questions

What is the formula for US fluid ounce to Imperial fluid ounce?

result = value × (0.0295735295625 ÷ 0.0284130625). The source value is converted to the catalog’s canonical unit, then expressed in the target unit.

Can I convert Imperial fluid ounce back to US fluid ounce?

Yes. Use Swap Units when the reverse pair is available in the catalog. The page URL changes to the reverse conversion and the entered value is retained.

Why can a value be rejected?

The engine rejects non-finite values and negative values for units that do not allow them.

How are displayed decimal places chosen?

Use the Decimal precision selector above the result. Very large or very small results switch to scientific notation when that makes the value easier to read.