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Converters
ML to Cups
One US customary cup is 236.588 millilitres. Divide millilitres by 236.5882365 for recipes written in cups. A metric cup of 250 ml is slightly larger.
1 mL = 0.0042 cup
How to use it
- Type a value in millilitres. The US cups result updates immediately.
- Read the full factor under the result if you need to check the math by hand.
- Use the table for the values people look up most often.
- Open the reverse converter when you already have US cups.
Formula
US cups = millilitres ÷ 236.5882365
A US customary cup is 8 US fluid ounces, exactly 236.5882365 millilitres. Nutrition labels in the United States often use a 240 ml cup, and a metric cup is 250 ml. This converter uses the 236.5882365 ml customary cup and shows the difference in the guide below.
250 ml of milk
250 ÷ 236.5882365 = 1.057 US customary cups. Against a 240 ml nutrition cup it is 1.042 cups. Against a 250 ml metric cup it is exactly 1 cup.
This is the conversion that breaks recipes. An American cookbook cup (customary) is 236.588 ml. A cup on a US nutrition label is 240 ml. A metric cup in Australia, New Zealand, and much of Europe is 250 ml. For 250 ml of milk, this page returns 1.057 customary cups. If your recipe was tested on a 250 ml cup, use 1 cup and do not scale it. The table follows the customary cup so the factor stays exact.
Common ml to cups values
| millilitres | US cups |
|---|---|
| 15 mL | 0.0634 cup |
| 30 mL | 0.1268 cup |
| 60 mL | 0.2536 cup |
| 236.5882 mL | 1 cup |
| 240 mL | 1.0144 cup |
| 250 mL | 1.0567 cup |
| 500 mL | 2.1134 cup |
Questions
How do I convert millilitres to US cups?
Use US cups = millilitres ÷ 236.5882365. The converter applies that factor at full precision and rounds only what it displays.
Is this ml to cups factor exact?
A US customary cup is 8 US fluid ounces, exactly 236.5882365 millilitres. Nutrition labels in the United States often use a 240 ml cup, and a metric cup is 250 ml. This converter uses the 236.5882365 ml customary cup and shows the difference in the guide below.
Is 250 ml one cup?
250 ml is exactly one metric cup. It is 1.057 US customary cups (236.588 ml) and 1.042 US nutrition cups (240 ml).
Does ProHacks store the number I type?
No. The conversion runs in your browser. The value is not uploaded with the calculation.