## 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

gallons (gal) milliliters (ml)
5.2 gallons 19684.141 milliliters
6.2 gallons 23469.553 milliliters
7.2 gallons 27254.965 milliliters
8.2 gallons 31040.377 milliliters
9.2 gallons 34825.789 milliliters
10.2 gallons 38611.2 milliliters
11.2 gallons 42396.612 milliliters
12.2 gallons 46182.024 milliliters
13.2 gallons 49967.436 milliliters
14.2 gallons 53752.848 milliliters