Conversion formula

The conversion factor from fluid ounces to deciliters is 0.295735296875, which means that 1 fluid ounce is equal to 0.295735296875 deciliters:

1 fl oz = 0.295735296875 dL

To convert 4.2 fluid ounces into deciliters we have to multiply 4.2 by the conversion factor in order to get the volume amount from fluid ounces to deciliters. We can also form a simple proportion to calculate the result:

1 fl oz → 0.295735296875 dL

4.2 fl oz → V_(dL)

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

V_(dL) = 4.2 fl oz × 0.295735296875 dL

V_(dL) = 1.242088246875 dL

The final result is:

4.2 fl oz → 1.242088246875 dL

We conclude that 4.2 fluid ounces is equivalent to 1.242088246875 deciliters:

4.2 fluid ounces = 1.242088246875 deciliters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 deciliter is equal to 0.80509577521237 × 4.2 fluid ounces.

Another way is saying that 4.2 fluid ounces is equal to 1 ÷ 0.80509577521237 deciliters.

Approximate result

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

4.2 fl oz ≅ 1.242 dL

An alternative is also that one deciliter is approximately zero point eight zero five times four point two fluid ounces.

Conversion table

fluid ounces to deciliters chart

For quick reference purposes, below is the conversion table you can use to convert from fluid ounces to deciliters