Conversion formula

The conversion factor from milliliters to fluid ounces is 0.033814022558919, which means that 1 milliliter is equal to 0.033814022558919 fluid ounces:

1 ml = 0.033814022558919 fl oz

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

1 ml → 0.033814022558919 fl oz

4.2 ml → V_{(fl oz)}

Solve the above proportion to obtain the volume V in fluid ounces:

V_{(fl oz)} = 4.2 ml × 0.033814022558919 fl oz

V_{(fl oz)} = 0.14201889474746 fl oz

The final result is:

4.2 ml → 0.14201889474746 fl oz

We conclude that 4.2 milliliters is equivalent to 0.14201889474746 fluid ounces:

4.2 milliliters = 0.14201889474746 fluid ounces

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 fluid ounce is equal to 7.0413165922619 × 4.2 milliliters.

Another way is saying that 4.2 milliliters is equal to 1 ÷ 7.0413165922619 fluid ounces.

Approximate result

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

4.2 ml ≅ 0.142 fl oz

An alternative is also that one fluid ounce is approximately seven point zero four one times four point two milliliters.

Conversion table

milliliters to fluid ounces chart

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