How big is that drink?

Drink sizes have inflated steadily and quietly. A "small" coffee today is larger than a "large" was in 1990.

Your drink Unit

Almost exactly a can of soda

330 mL is bigger than 4 of the 11 references on this page.

Reference figures are measurements and are rounded; the unit conversion behind them is exact.

Every reference on this page, with its size and its ratio to your number
Reference	Size	Yours ÷ theirs	Note
single spirit measure (UK)	25 mL	13.2×	25 ml
espresso	30 mL	11×
small wine glass	125 mL	2.64×	125 ml
large wine glass	250 mL	1.32×	250 ml
can of soda	330 mL	1×
Starbucks tall	355 mL	0.93×
US soda can	355 mL	0.93×	12 fl oz
imperial pint	568 mL	0.581×
Starbucks venti	591 mL	0.558×
bottle of wine	750 mL	0.44×
big-gulp cup	1,280 mL	0.258×	44 fl oz

A large wine glass at 250 ml is a third of a bottle. Restaurant "large" pours have grown with the glasses themselves.
A UK pint is 568 ml, a US pint 473 ml, and a European beer is usually 500 or 330 ml.

Frequently asked

An imperial pint is exactly 568.261 ml; a US liquid pint is 473.176 ml. The imperial one is legally required for draught beer in the UK.

A 250 ml glass at 13% ABV is 3.25 UK units — more than the 2 units in a pint of average-strength beer.