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Unit Converter

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 18 fluid ounces into quarts we have to multiply 18 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

18 fl oz → V(qt)

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

V(qt) = 18 fl oz × 0.03125 qt

V(qt) = 0.5625 qt

The final result is:

18 fl oz → 0.5625 qt

We conclude that 18 fluid ounces is equivalent to 0.5625 quarts:

18 fluid ounces = 0.5625 quarts

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 quart is equal to 1.7777777777778 × 18 fluid ounces.

Another way is saying that 18 fluid ounces is equal to 1 ÷ 1.7777777777778 quarts.

Approximate result

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

18 fl oz ≅ 0.563 qt

An alternative is also that one quart is approximately one point seven seven eight times eighteen 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)
19 fluid ounces 0.594 quarts
20 fluid ounces 0.625 quarts
21 fluid ounces 0.656 quarts
22 fluid ounces 0.688 quarts
23 fluid ounces 0.719 quarts
24 fluid ounces 0.75 quarts
25 fluid ounces 0.781 quarts
26 fluid ounces 0.813 quarts
27 fluid ounces 0.844 quarts
28 fluid ounces 0.875 quarts