Volume Converter
Liters, gallons, cups and more.
1 US fluid ounce = 0.03125 qt. Enter any value to convert US fluid ounces (fl oz) to US quarts (qt), or use the table below for common values.
qt = fl oz × 0.03125
Example: 10 fl oz = 0.3125 qt. To convert the other way, use fl oz = qt × 32.
Quick mental estimate: multiply by about 0.031.
| US Fluid Ounces (fl oz) | US Quarts (qt) |
|---|---|
| 1 fl oz | 0.03125 qt |
| 2 fl oz | 0.0625 qt |
| 3 fl oz | 0.09375 qt |
| 4 fl oz | 0.125 qt |
| 5 fl oz | 0.15625 qt |
| 6 fl oz | 0.1875 qt |
| 7 fl oz | 0.21875 qt |
| 8 fl oz | 0.25 qt |
| 9 fl oz | 0.28125 qt |
| 10 fl oz | 0.3125 qt |
| 15 fl oz | 0.46875 qt |
| 20 fl oz | 0.625 qt |
| 25 fl oz | 0.78125 qt |
| 30 fl oz | 0.9375 qt |
| 40 fl oz | 1.25 qt |
| 50 fl oz | 1.5625 qt |
| 75 fl oz | 2.34375 qt |
| 100 fl oz | 3.125 qt |
| 250 fl oz | 7.8125 qt |
| 500 fl oz | 15.625 qt |
| 1,000 fl oz | 31.25 qt |
The US fluid ounce is 1/128 of a US gallon, about 29.57 mL. It is used on drink and cosmetics labels in the US.
The US liquid quart is 2 US pints or a quarter of a US gallon, about 946 mL.
Use the formula qt = fl oz × 0.03125. For example, 10 fl oz = 0.3125 qt.
1 fl oz = 0.03125 qt.
Use fl oz = qt × 32. 1 qt = 32 fl oz.