Quarts to Fluid Ounces Converter

About the qt to fl oz calculation

One quart is exactly 32 fluid ounces, 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 fluid ounce. Measures volume, not weight — quite separate from the ounce.

Formula

fl oz = qt × 32

1 qt = 32 fl oz
1 fl oz = 0.03125 qt

Worked example

To convert 1 qt, multiply by 32: 1 × 32 = 32 fl oz.

Frequently asked questions

How many fluid ounces are in a quart?

There are 32 fluid ounces in one quart. To convert any amount, multiply the number of quarts by 32.

How do I convert fluid ounces back to quarts?

Divide instead of multiplying, or equivalently multiply by 0.03125. One fluid ounce is 0.03125 quarts.

Is this conversion exact?

Yes. Since the international agreement of 1959, the relationship between quarts and fluid ounces 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. Fluid Ounces: the US fluid ounce. Measures volume, not weight — quite separate from the ounce.

Sources

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