# How do you convert #"4.5 gal"# to #"L"#? How about to #"mL"# ?

##### 1 Answer

Jul 7, 2015

#### Answer:

You need to use two simple conversion factors for this one.

#### Explanation:

In order to go from *gallons* to *liters* you need to use a conversion factor. More precisely, you need to use the fact that **1 gallon** is the equivalent of **3.78541178 L**.

This means that 4.5 gallons will be equal to

The answer is rounded to two sig figs, the number of sig figs you have for 4.5 gallons.

To go from liters to mililiters, use the fact that **1 liter** contains **1000 mililiters**.