1.0 cup in ml is 236.59 ml using the US customary cup — the standard in American recipes — or 250.00 ml using the 250 ml metric cup used in Australia, Canada and New Zealand. 1.0 cup is the same as 1 cup (1 cup), which is 8 US fluid ounces. One cup is the workhorse of American baking — 8 US fluid ou…
1 US customary cup =
236.59
Milliliter
US CUSTOMARY
236.59
ml · recipe standard · 8 fl oz
US LEGAL
240.00
ml · nutrition labels
METRIC
250.00
ml · AU · NZ · CA · UK
IMPERIAL
284.13
ml · old UK · 10 imp fl oz
The same 1 cup ranges from 236.59 ml to 284.13 ml depending on which cup is meant — a spread of 47.54 ml.
VISUAL FILL (US CUP)
24% of 1 litre
4 US cups ≈ 1 litre (946 ml)
| US customary cup (recipe standard · 8 fl oz) | 236.59 ml | × 236.59 |
| US legal cup (nutrition labels) | 240.00 ml | × 240.00 |
| Metric cup (AU · NZ · CA · UK) | 250.00 ml | × 250.00 |
| Imperial cup (old UK · 10 imp fl oz) | 284.13 ml | × 284.13 |
One cup is the workhorse of American baking — 8 US fluid ounces and 16 tablespoons. US recipes use the US customary cup (236.59 ml); Australian, Canadian and New Zealand recipes use the 250 ml metric cup; older British recipes may mean the 284 ml imperial cup.
MILLILITERS (US)
236.59 ml
US FLUID OUNCES
8 fl oz
US TABLESPOONS
16 tbsp
US TEASPOONS
48 tsp
LITRES (US)
0.237 L
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The reason '1 cup' has several answers: the US customary cup (236.59 ml) comes from 8 US fluid ounces; the US 'legal' cup (240 ml) is a round value the FDA uses on nutrition labels; the metric cup (250 ml) used in Australia, New Zealand and Canada was set to a round number; and old British recipes may mean the imperial cup, 284.13 ml.
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Last updated: July 28, 2026 · Cup definitions: US customary 236.5882365 ml, US legal 240 ml, metric 250 ml, imperial 284.130625 ml · Verified by the EagleCalculator team · Eagle-eyed accuracy for every calculation.