Conversion formula

The conversion factor from fluid ounces to milliliters is 29.5735296875, which means that 1 fluid ounce is equal to 29.5735296875 milliliters:

1 fl oz = 29.5735296875 ml

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

1 fl oz → 29.5735296875 ml

4.2 fl oz → V_(ml)

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

V_(ml) = 4.2 fl oz × 29.5735296875 ml

V_(ml) = 124.2088246875 ml

The final result is:

4.2 fl oz → 124.2088246875 ml

We conclude that 4.2 fluid ounces is equivalent to 124.2088246875 milliliters:

4.2 fluid ounces = 124.2088246875 milliliters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 milliliter is equal to 0.0080509577521237 × 4.2 fluid ounces.

Another way is saying that 4.2 fluid ounces is equal to 1 ÷ 0.0080509577521237 milliliters.

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 hundred twenty-four point two zero nine milliliters:

4.2 fl oz ≅ 124.209 ml

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

Conversion table

fluid ounces to milliliters chart

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