Question 1

How many ml is 1 fl oz?

Accepted Answer

1 US fl oz = 29.574 ml. 1 UK fl oz = 28.413 ml. American recipes use US fl oz, so if you are following a US recipe, use 29.574 ml per oz.

Question 2

How many oz is 50 ml?

Accepted Answer

50 ml = 1.69 US fl oz (or 1.76 UK fl oz). A standard single spirit measure in the UK is 25 ml = 0.85 fl oz; a double is 50 ml.

Question 3

How many oz is 100 ml?

Accepted Answer

100 ml = 3.38 US fl oz (or 3.52 UK fl oz). A standard espresso shot is 30 ml = 1 US fl oz.

Question 4

How many oz is 250 ml?

Accepted Answer

250 ml = 8.45 US fl oz. A standard cup in American recipes is 240 ml (8 fl oz), so 250 ml is just slightly more than 1 cup.

Question 5

How many oz is 500 ml?

Accepted Answer

500 ml = 16.91 US fl oz. This is a standard water bottle or beer can size. It is just under 1 US pint (16 fl oz = 473 ml).

Question 6

How many oz is 1000 ml (1 litre)?

Accepted Answer

1000 ml = 33.81 US fl oz. A litre is about 1.76 UK pints or 2.11 US pints. A standard wine bottle is 750 ml = 25.36 fl oz.

Question 7

What is the difference between US and UK fluid ounces?

Accepted Answer

A US fl oz is 29.574 ml and a UK fl oz is 28.413 ml — about a 4% difference. Most online recipes use US fl oz. The UK fl oz is part of the imperial system and is mostly used in older UK recipes and pub measurements.

ml to oz Converter — Millilitres to Fluid Ounces (UK)