Convert milliliters to cups

The formula

cups = milliliters × 0.0042267528

milliliters to cups — quick reference

Filling an American cup to the brim still leaves you short

A metric recipe gives liquids in millilitres because its author expected a jug, where the volume is read against a printed line. Moving that to a nested cup set imports the set’s own definition. American cups hold 236.588 ml, or 240 if made to the labelling standard; Australian and New Zealand cups hold 250. Reading 250 ml as one cup is right in Sydney and five per cent light in Ohio.

Five per cent is nothing in a stew and a good deal in a custard or a batter, and it compounds: four cups measured that way loses roughly 55 ml. Where the original figure divides awkwardly — 350 ml, 175 ml — a jug marked in millilitres beats stacking a cup, a third and a tablespoon, because every extra transfer is another chance to under-fill.

The tablespoon is the unit that quietly ruins this

Metric recipes lean on 15 ml spoon measures, and most of the world’s tablespoon is 15 ml. Australia’s is 20 — four teaspoons, not three. An Australian recipe calling for two tablespoons of bicarbonate of soda or gelatine, measured with an American 14.79 ml spoon, delivers about a quarter less than intended, and those are precisely the ingredients that do not forgive it.

The same asymmetry sits under the cup. A recipe writing 60 ml means a quarter cup almost everywhere; one writing 62.5 ml is quartering an Australian cup. Small volumes are also where cup measures are least accurate, since surface tension and the shape of the vessel start to matter, so anything below 50 ml is better handled with spoons.

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