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 138.9 milliliters into fluid ounces we have to multiply 138.9 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

138.9 ml → V_{(fl oz)}

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

V_{(fl oz)} = 138.9 ml × 0.033814022558919 fl oz

V_{(fl oz)} = 4.6967677334339 fl oz

The final result is:

138.9 ml → 4.6967677334339 fl oz

We conclude that 138.9 milliliters is equivalent to 4.6967677334339 fluid ounces:

138.9 milliliters = 4.6967677334339 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 0.21291238075954 × 138.9 milliliters.

Another way is saying that 138.9 milliliters is equal to 1 ÷ 0.21291238075954 fluid ounces.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one hundred thirty-eight point nine milliliters is approximately four point six nine seven fluid ounces:

138.9 ml ≅ 4.697 fl oz

An alternative is also that one fluid ounce is approximately zero point two one three times one hundred thirty-eight point nine 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