Cups to Milliliters (cup → mL) — US Legal Cup 240mL
Unit ConverterConverting cup (cup) to milliliter (mL), 1cup is about 240mL.
What is it
This converter uses the US legal cup (1 cup = 240mL), the definition used on US nutrition labels. Cup sizes differ by country: the US customary kitchen cup is 236.588mL, the metric cup (Australia, New Zealand) is 250mL, and the Korean paper cup is commonly counted as 180mL in recipes. Substituting one cup type for another introduces measurable error.
How to use
- 1Enter the cup (cup) value.
- 2See the milliliter (mL) result instantly.
- 3Switch units to convert again if needed.
Reference
| cup | mL |
|---|---|
| 1/4 | 60 |
| 1/2 | 120 |
| 1 | 240 |
| 2 | 480 |
| 1 (metric cup) | 250 |
| 1 (Korean paper cup) | 180 |
Sources & standards
FAQ
How many mL is 1cup?
1cup is about 240mL.
How do I convert mL back to cup?
Compute cup = mL ÷ 240.
How many mL is 10cup?
10cup is about 2,400mL.
What is the difference between a metric cup and a US cup?
A US legal cup is 240mL while a metric cup (Australia, New Zealand) is 250mL — a 10mL gap. The US customary kitchen cup is 236.588mL. This converter uses the US legal cup (240mL).
How many mL is a Korean paper cup?
Korean recipes usually count a paper cup as 180mL (a full 6.5oz vending cup holds about 190mL). That is roughly 60mL less than a US cup (240mL), so the two are not interchangeable.
Is my input sent to a server?
No. Every conversion runs instantly inside your browser; the values you enter are never sent to a server or stored.