## Conversion formula

The conversion factor from fluid ounces to quarts is 0.03125, which means that 1 fluid ounce is equal to 0.03125 quarts:

1 fl oz = 0.03125 qt

To convert 3.9 fluid ounces into quarts we have to multiply 3.9 by the conversion factor in order to get the volume amount from fluid ounces to quarts. We can also form a simple proportion to calculate the result:

1 fl oz → 0.03125 qt

3.9 fl oz → V(qt)

Solve the above proportion to obtain the volume V in quarts:

V(qt) = 3.9 fl oz × 0.03125 qt

V(qt) = 0.121875 qt

The final result is:

3.9 fl oz → 0.121875 qt

We conclude that 3.9 fluid ounces is equivalent to 0.121875 quarts:

3.9 fluid ounces = 0.121875 quarts

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 quart is equal to 8.2051282051282 × 3.9 fluid ounces.

Another way is saying that 3.9 fluid ounces is equal to 1 ÷ 8.2051282051282 quarts.

## Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that three point nine fluid ounces is approximately zero point one two two quarts:

3.9 fl oz ≅ 0.122 qt

An alternative is also that one quart is approximately eight point two zero five times three point nine fluid ounces.

## Conversion table

### fluid ounces to quarts chart

For quick reference purposes, below is the conversion table you can use to convert from fluid ounces to quarts

fluid ounces (fl oz) quarts (qt)
4.9 fluid ounces 0.153 quarts
5.9 fluid ounces 0.184 quarts
6.9 fluid ounces 0.216 quarts
7.9 fluid ounces 0.247 quarts
8.9 fluid ounces 0.278 quarts
9.9 fluid ounces 0.309 quarts
10.9 fluid ounces 0.341 quarts
11.9 fluid ounces 0.372 quarts
12.9 fluid ounces 0.403 quarts
13.9 fluid ounces 0.434 quarts