Quarts to Cups Converter

About the qt to cup calculation

One quart is exactly 4 cups, so converting between them is a single multiplication. Enter any value above and the result updates as you type. A quarter of a US gallon, and exactly two US pints. The US legal cup is 240 ml; the customary cup used in recipes is 236.6 ml.

Formula

cup = qt × 4

1 qt = 4 cup
1 cup = 0.25 qt

Worked example

To convert 1 qt, multiply by 4: 1 × 4 = 4 cup.

Frequently asked questions

How many cups are in a quart?

There are 4 cups in one quart. To convert any amount, multiply the number of quarts by 4.

How do I convert cups back to quarts?

Divide instead of multiplying, or equivalently multiply by 0.25. One cup is 0.25 quarts.

Is this conversion exact?

Yes. Since the international agreement of 1959, the relationship between quarts and cups is defined exactly rather than measured, so the only rounding here is in how many decimal places we show.

Where is each of these units used?

Quarts: a quarter of a US gallon, and exactly two US pints. Cups: the US legal cup is 240 ml; the customary cup used in recipes is 236.6 ml.

Sources

• NIST Special Publication 811 — Guide for the Use of the International System of Units