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mL to Cups Converter

Convert millilitres to US cups and back. A US customary cup holds about 236.6 mL, so this bridges a metric recipe to US cup measures.

Millilitres ⇄ Cups
mL
=
cups
Result250 mL = 1.06 cups
Quick answer
A US customary cup is 236.588 mL, so divide millilitres by that to get cups. A 250 mL metric cup lands at about 1.06 US cups, 500 mL is roughly 2.11 cups, and a litre is close to 4.23 cups. The numbers rarely come out round because the US cup and the metric millilitre grew from different measuring systems.

Conversion table

Millilitres (mL)US Cups (cups)
50 mL0.21
100 mL0.42
125 mL0.53
200 mL0.85
250 mL1.06
300 mL1.27
500 mL2.11
1000 mL4.23

How to convert mL to Cups

cups = millilitres ÷ 236.588to go the other way, multiply cups by 236.588
millilitres
the metric volume you enter
cups
the result in US cups
236.588
millilitres held by one US customary cup

This uses the US customary cup of 236.588 mL. A metric cup is a round 250 mL and the US legal cup used on nutrition labels is 240 mL, so pick the standard your recipe follows.

Frequently asked questions

How many mL is a cup?

A US customary cup is about 236.588 mL.

How many cups is 250 mL?

250 mL is about 1.06 US cups; a 250 mL metric cup is slightly larger than a US cup.

How many cups is 500 mL?

500 mL is roughly 2.11 US cups.

How many cups is a litre?

1000 mL is about 4.23 US cups.

Quick facts
1 US cup
236.588 mL
250 mL
~1.06 cups
1 litre
~4.23 cups
Measures
Volume