Litres To Fluid Ounces - Frequently Asked Questions

On this page we have given answers to many of the questions we receive on litres to fluid ounces conversions. If you just want to convert litres to fluid ounces you can use our converters for litres to UK pints and fluid ounces and litres to US pints and fluid ounces.

Note: The US fluid ounce is used in the United States and its dependent territories such as Guam and the US Virgin Islands. The UK (Imperial) fluid ounce is used in Great Britain, Ireland, Australia, Canada, New Zealand, South Africa, Jamaica, Nigeria and other British Commonwealth countries. Many of the countries that used the UK fluid ounce now officially use metric measures (litres, centilitres and millilitres) however the use of fluid ounces in recipes is still very common, especially amongst older people.

Q: How many ounces in a litres?

A: For liquids this question is easily answered, there are 35.195079728 UK fluid ounces in a litre or 33.814022702 US fluid ounces in a litre.

Q: What is 2 litres in ounces?

A: 2 litres is 70.390159456 UK fluid ounces or 67.628045404 US fluid ounces.

Q: How many ounces is half a litre?

A: Half a litre is 17.597539864 UK fl oz or 16.907011351 US fl oz.

Q: Why are there more UK fluid ounces in a litre than US fluid ounces?

A: US Customary measures were based on the units in use at the time of American independence. This was before a major change to UK weights and measures in 1824 where Imperial fluid measures were redefined. Thus the Imperial fluid ounce and the US fluid ounce are different sizes.

Q: What is 1/4 litre in fluid ounces?

A: There are 8.798769932 UK fluid ounces or 8.4535056755 US fluid ounces in 1/4 litre.

Q: How many fluid ounces is 10 litres?

A: 10 litres is equal to 351.95079728 UK fl oz or 338.14022702 US fl oz.