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 42.5 fluid ounces into milliliters we have to multiply 42.5 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

42.5 fl oz → V_(ml)

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

V_(ml) = 42.5 fl oz × 29.5735296875 ml

V_(ml) = 1256.8750117188 ml

The final result is:

42.5 fl oz → 1256.8750117188 ml

We conclude that 42.5 fluid ounces is equivalent to 1256.8750117188 milliliters:

42.5 fluid ounces = 1256.8750117188 milliliters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 milliliter is equal to 0.00079562406020987 × 42.5 fluid ounces.

Another way is saying that 42.5 fluid ounces is equal to 1 ÷ 0.00079562406020987 milliliters.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that forty-two point five fluid ounces is approximately one thousand two hundred fifty-six point eight seven five milliliters:

42.5 fl oz ≅ 1256.875 ml

An alternative is also that one milliliter is approximately zero point zero zero one times forty-two point five 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