How Many Liters in a Gallon?

Quick Answer

There are approximately 3.785 liters in a US gallon.

1 US gallon ≈ 3.785 liters

Understanding the Conversion

One US gallon equals approximately 3.78541 liters. The imperial gallon is larger at about 4.546 liters. This conversion is essential for understanding fuel prices, beverage sizes, and liquid volumes when traveling between metric and imperial countries.

Formula

1 US gallon ≈ 3.785 liters

Common Examples

DescriptionValue
A gallon of gasAbout 3.785 liters
A 5-gallon water cooler jugAbout 18.93 liters
A 55-gallon drumAbout 208.2 liters

Quick Reference Table

Use this table for quick conversions between gallon and liters:

gallonliters
13.785
27.57
518.925
1037.85
2594.625
50189.25
100378.5

Frequently Asked Questions

How Many Liters in a Gallon?

There are approximately 3.785 liters in a US gallon. One US gallon equals approximately 3.78541 liters. The imperial gallon is larger at about 4.546 liters. This conversion is essential for understanding fuel prices, beverage sizes, and liquid volumes when traveling between metric and imperial countries.

What is the formula to convert gallon to liters?

The formula is: 1 US gallon ≈ 3.785 liters. To convert, multiply the number of gallons by 3.785 to get the equivalent in liters.

How do I convert liters to gallon?

To convert liters to gallon, divide the number of liters by 3.785. For example, 18.925 liters equals 5 gallons.

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