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Imperial Fluid Ounces to US Fluid Ounces Converter

Convert imperial fluid ounces (fl oz (UK)) to US fluid ounces (fl oz)

Convert Volume

fl oz (UK)

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Result

0.9607599404 fl oz
US Fluid Ounces

1 fl oz (UK) = 0.9607599404 fl oz

1 fl oz (UK) in other units

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How to convert imperial fluid ounces to US fluid ounces

One imperial fluid ounce equals 0.9607599 US fluid ounces, so multiply the number of imperial fluid ounces by 0.9607599.

fl oz = fl oz (UK) × 0.9607599

1 fl oz (UK) = 0.9607599 fl oz · 1 fl oz = 1.040843 fl oz (UK)

Worked example

To convert 5 imperial fluid ounces to US fluid ounces: 5 fl oz (UK) × 0.9607599 = 4.8038 fl oz.

About imperial fluid ounces (fl oz (UK))

An imperial fluid ounce is about 28.41 mL, slightly smaller than the US fluid ounce.

About US fluid ounces (fl oz)

A US fluid ounce is about 29.57 mL. Drink and bottle sizes in the US use fluid ounces.

More conversions

US Fluid Ounces to Imperial Fluid OuncesAll units: Volume Converter

Imperial Fluid Ounces to other units

Other units to US Fluid Ounces

Frequently asked questions

How many US fluid ounces are in one imperial fluid ounce?

One imperial fluid ounce equals 0.9607599 US fluid ounces.

How many imperial fluid ounces are in one US fluid ounce?

One US fluid ounce equals 1.040843 imperial fluid ounces.

How do I convert imperial fluid ounces to US fluid ounces?

Use the formula fl oz = fl oz (UK) × 0.9607599. For example, 5 fl oz (UK) × 0.9607599 = 4.8038 fl oz.