## 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 40 fluid ounces into quarts we have to multiply 40 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

40 fl oz → V(qt)

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

V(qt) = 40 fl oz × 0.03125 qt

V(qt) = 1.25 qt

The final result is:

40 fl oz → 1.25 qt

We conclude that 40 fluid ounces is equivalent to 1.25 quarts:

40 fluid ounces = 1.25 quarts

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 quart is equal to 0.8 × 40 fluid ounces.

Another way is saying that 40 fluid ounces is equal to 1 ÷ 0.8 quarts.

## Approximate result

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

40 fl oz ≅ 1.25 qt

An alternative is also that one quart is approximately zero point eight times forty 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)
41 fluid ounces 1.281 quarts
42 fluid ounces 1.313 quarts
43 fluid ounces 1.344 quarts
44 fluid ounces 1.375 quarts
45 fluid ounces 1.406 quarts
46 fluid ounces 1.438 quarts
47 fluid ounces 1.469 quarts
48 fluid ounces 1.5 quarts
49 fluid ounces 1.531 quarts
50 fluid ounces 1.563 quarts