How many mL are in a gallon?

In order to understand how many ml are in a gallon, you must understand the conversion between these two units.

A milliliter and a gallon both measure volume. However, there is no relationship between milliliters and gallons.
One milliliter is equal to 0.001 liters, and one milliliter is equal to 0.00001 cubic meters, so milliliter can be converted into a liter or cubic meter.

On the other hand, one milliliter is equal to 1 centimeter cubed (cm3), so a milliliter can also be converted into cm3.
1 milliliter = 0.001 liter = 0.000001 cubic meter = 1 cm3

However, there are 3.79 liters in a gallon, so it’s impossible to convert milliliters directly into gallons.

How many mL are in a gallon?

To convert milliliter into gallon, milliliter must be converted into liter first.
1 milliliter = 0.001 liters

Afterward, divide the 0.001 liters to 3.79 so 1 milliliter is :
1 milliliter ≈ 0.000264 gallon (approx.)