Volume & Capacity converter
Gallon Converter
Convert US liquid gallons to liters for fuel, containers, and liquid capacity.
Result
1 US gal = 3.785412 L
Also equals
Conversion formula
L = US gal × 3.7854117841 us liquid gallon equals 3.7854118 L.
US Liquid Gallon to Liter table
| US Liquid Gallon (US gal) | Liter (L) |
|---|---|
| 0.01 | 0.03785412 |
| 0.1 | 0.37854118 |
| 1 | 3.78541178 |
| 2 | 7.57082357 |
| 3 | 11.35623535 |
| 5 | 18.92705892 |
| 10 | 37.85411784 |
| 20 | 75.70823568 |
| 50 | 189.2705892 |
| 100 | 378.5411784 |
| 1,000 | 3,785.411784 |
What is US Liquid Gallon to Liter?
Converting gallons to liters is essential when traveling, refueling, or comparing product sizes across metric and US markets. One US gallon equals 3.785411784 liters. The formula is liters = gallons × 3.78541. Always check whether you need US or Imperial gallons. A US 5-gallon bucket, for example, holds about 18.93 liters.
About this conversion
This converter uses the displayed definition for us liquid gallon and its recognized relationship to liter. Calculations retain full precision internally, and only the visible result is rounded. You can swap the conversion direction without changing the underlying standard.
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When to convert gallons to liters
Use this conversion for fuel purchases, car rentals abroad, beverage containers, paint, and large liquid measurements.
Frequently asked questions
Which US Liquid Gallon definition is used?+
This tool uses the definition shown in the unit name: one us liquid gallon equals 3.7854118 liters.
Why do US and Imperial volumes differ?+
US customary and Imperial units with similar names can represent different volumes. This page uses the explicitly labeled US or metric definition and does not mix systems.
How many liters is 1 gallon?+
1 US gallon is about 3.785 liters.
How many liters is 5 gallons?+
5 US gallons is about 18.93 liters.
Which countries use gallons?+
The United States uses US gallons. Some Caribbean countries also use gallons. Most other countries use liters.
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