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 646 fluid ounces into quarts we have to multiply 646 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

646 fl oz → V_(qt)

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

V_(qt) = 646 fl oz × 0.03125 qt

V_(qt) = 20.1875 qt

The final result is:

646 fl oz → 20.1875 qt

We conclude that 646 fluid ounces is equivalent to 20.1875 quarts:

646 fluid ounces = 20.1875 quarts

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 quart is equal to 0.04953560371517 × 646 fluid ounces.

Another way is saying that 646 fluid ounces is equal to 1 ÷ 0.04953560371517 quarts.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred forty-six fluid ounces is approximately twenty point one eight eight quarts:

646 fl oz ≅ 20.188 qt

An alternative is also that one quart is approximately zero point zero five times six hundred forty-six 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