FTCE General Knowledge Math Practice Test

How many liters are equivalent to 1 gallon?

1. 1.5 l

2. 3.8 l

3. 5 l

4. 7.5 l

The correct answer is: 3.8 l

One gallon is equivalent to approximately 3.8 liters. This conversion is based on the standard relationship between gallons and liters in the U.S. measurement system, where 1 U.S. gallon equals about 3.78541 liters. For practical purposes, this is often rounded to 3.8 liters, making it a useful figure for quick conversions. Understanding this conversion can be crucial for tasks like cooking, science experiments, or in any situation where fluid volumes need to be compared or converted. The other provided choices do not accurately represent the conversion from gallons to liters, as they either understate or overstate the actual amount.