Conversion formula

The conversion factor from gallons to milliliters is 3785.4118, which means that 1 gallon is equal to 3785.4118 milliliters:

1 gal = 3785.4118 ml

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

1 gal → 3785.4118 ml

4.2 gal → V_(ml)

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

V_(ml) = 4.2 gal × 3785.4118 ml

V_(ml) = 15898.72956 ml

The final result is:

4.2 gal → 15898.72956 ml

We conclude that 4.2 gallons is equivalent to 15898.72956 milliliters:

4.2 gallons = 15898.72956 milliliters

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 milliliter is equal to 6.2898107438466E-5 × 4.2 gallons.

Another way is saying that 4.2 gallons is equal to 1 ÷ 6.2898107438466E-5 milliliters.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that four point two gallons is approximately fifteen thousand eight hundred ninety-eight point seven three milliliters:

4.2 gal ≅ 15898.73 ml

An alternative is also that one milliliter is approximately zero times four point two gallons.

Conversion table

gallons to milliliters chart

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