How Many Cups of Water Equal a Liter?

Answer: There are approximately 4.17 standard US cups in a liter.

This means if you need to measure out a liter of water, you would fill a standard cup a little more than four times. To find out how many cups of water equal a liter, you need to know the standard cup size. In simple terms:

• Standard Cup Size: Usually, when we talk about cups, we’re referring to the standard US cup, which is about 240 milliliters (ml).
• One Liter: A liter is a measurement of volume equal to 1,000 milliliters.

Conversion

• Cups in a Liter: To figure out how many cups are in a liter, you divide 1,000 (the number of milliliters in a liter) by 240 (the number of milliliters in a cup).
• Calculation: 1000 ml/240 ml per cup​ equals about 4.17.