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 685 fluid ounces into quarts we have to multiply 685 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

685 fl oz → V_(qt)

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

V_(qt) = 685 fl oz × 0.03125 qt

V_(qt) = 21.40625 qt

The final result is:

685 fl oz → 21.40625 qt

We conclude that 685 fluid ounces is equivalent to 21.40625 quarts:

685 fluid ounces = 21.40625 quarts

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 quart is equal to 0.046715328467153 × 685 fluid ounces.

Another way is saying that 685 fluid ounces is equal to 1 ÷ 0.046715328467153 quarts.

Approximate result

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

685 fl oz ≅ 21.406 qt

An alternative is also that one quart is approximately zero point zero four seven times six hundred eighty-five 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