Fluid Ounce (Imperial)

Fluid Ounce (Imperial)

The UK fluid ounce is slightly smaller than the US fluid ounce. It’s the standard for liquid measurements in the United Kingdom, Ireland, and some Commonwealth nations.

Characteristics

• Imperial system unit (UK)
• 1 fl oz (UK) = 28.4131 mL
• 1 fl oz = 1/160 gallon (UK)
• Common in: UK recipes, beverage labeling, medicine measurements
• Distinct from: US fl oz (29.5735 mL)

Conversions

• 1 fl oz (UK) = 28.4131 mL
• 1 fl oz (UK) = 0.0284131 L
• 1 fl oz (UK) = 0.96076 fl oz (US)
• 1 fl oz (UK) = 0.125 pints (UK)
• 20 fl oz (UK) = 1 pint (UK)
• 160 fl oz (UK) = 1 gallon (UK)