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 642 fluid ounces into quarts we have to multiply 642 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

642 fl oz → V_(qt)

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

V_(qt) = 642 fl oz × 0.03125 qt

V_(qt) = 20.0625 qt

The final result is:

642 fl oz → 20.0625 qt

We conclude that 642 fluid ounces is equivalent to 20.0625 quarts:

642 fluid ounces = 20.0625 quarts

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 quart is equal to 0.049844236760125 × 642 fluid ounces.

Another way is saying that 642 fluid ounces is equal to 1 ÷ 0.049844236760125 quarts.

Approximate result

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

642 fl oz ≅ 20.063 qt

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