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US Gallon to Liter Converter

Convert US Gallon (gal) to Liter (L) instantly. Enter any value — result updates live.

Volume Converter
Result
3.78541L
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Formula: 1 gal = 3.78541 L

About converting US Gallon to Liter

Converting US Gallon to Liter is a common volume conversion. One us gallon (gal) equals 3.78541 liter (L). US gallons are used for fuel, beverages, and liquid storage in the United States.

This conversion is commonly needed for cooking and baking recipes, fuel and vehicle maintenance, aquarium and pool sizing. Liters are the standard volume unit for liquids in most countries worldwide.

To put us gallon in perspective: a large milk jug (1 gal). In liter, common references include a car's fuel tank (40–60 L).

Did you know?

A US gallon (3.785 L) is different from an Imperial gallon (4.546 L), which can cause confusion in international recipes.

Real-world examples
US Gallon (gal)
  • a large milk jug (1 gal)
  • a fish tank (10–20 gal)
  • a standard hot water heater (40–50 gal)
Liter (L)
  • a large bottle of water (1 L)
  • a car's fuel tank (40–60 L)
  • a bathtub (about 150 L)
Did you know?

The liter was originally defined as the volume of 1 kilogram of water at 4°C.

Common uses for volume conversion

People frequently convert between us gallon and liter for:

  • cooking and baking recipes
  • fuel and vehicle maintenance
  • aquarium and pool sizing
  • shipping liquid products
  • home brewing and winemaking
Popular US Gallon to Liter conversions
US Gallon (gal)Liter (L)
1 gal3.78541 L
2 gal7.57082 L
5 gal18.9271 L
10 gal37.8541 L
15 gal56.7812 L
20 gal75.7082 L
25 gal94.6352 L
30 gal113.6 L
50 gal189.3 L
100 gal378.5 L
200 gal757.1 L
500 gal1,893 L
1000 gal3,785 L
More US Gallon conversions
US Gallon to Millilitergal → mLUS Gallon to Cubic Metergal → m³US Gallon to US Quartgal → qtUS Gallon to US Pintgal → ptUS Gallon to US Cupgal → cupUS Gallon to Fluid Ouncegal → fl ozUS Gallon to Tablespoongal → tbspUS Gallon to Teaspoongal → tsp
Frequently asked questions
How do you convert US Gallon to Liter?
To convert US Gallon to Liter, use the formula: 1 gal = 3.78541 L. For example, 1 gal = 3.78541 L.
What is 1 US Gallon in Liter?
1 gal is equal to 3.78541 L.
How many us gallon are in 1 liter?
1 L is equal to 0.264172177 gal. To convert Liter back to US Gallon, multiply the liter value by 0.264172177.
When would I need to convert us gallon to liter?
This conversion is commonly needed for shipping liquid products, home brewing and winemaking, cooking and baking recipes. US gallons are used for fuel, beverages, and liquid storage in the United States. Liters are the standard volume unit for liquids in most countries worldwide.
What does 1 us gallon look like in real life?
For reference, a typical us gallon measurement is a standard hot water heater (40–50 gal). So 1 gal (3.78541 L) gives you a practical sense of scale.