Calculate 15 liters is approximately how many gallons?

**Answer:**

3.963 us liquid gallons.

**Explanation:**

It depends on where you live. In the United States, the conversion factor is 3.78 L = 1 US gallon. Car lots in Canada still use the Imperial Gallon because it is larger and you get more miles to the gallon with a large gallon.

**Solution**

1 US gallon = 3.78 L

x US gallons = 15 L

1/x = 3.78/15 Cross multiply

3.78 x = 15 Divide by 3.78

x = 15/3.78

x = 3.968

**Note:** Since the question says approximately you have to round to something. I would try 4 US gallons.

An Imperial gallon is 4.5 Liters if you live in Canada or the United States.

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