Volume converter

Gallons to Liters Converter

1 gallon = 3.78541 liters. Type a number below to convert gallons (gal) to liters (L) instantly.

Gallons (gal) Liters (L)

5 gal = 18.9271 L

L = gal × 3.78541

Free, instant and private — the conversion runs in your browser.

How to convert gallons to liters

1 gallon equals 3.78541 liters, so you multiply by 3.78541:

L = gal × 3.78541

Example

Let's convert 5 gallons to liters:

5 gal = 18.9271 L

Going the other way

1 liter = 0.264172 gallons. Use our liters to gallons converter.

What is a gallon?

A US gallon is exactly 3.785411784 liters. The US uses gallons for gas, milk and water. (A UK gallon is larger: 4.546 liters.)

What is a liter?

A liter is the metric unit of volume most people use for drinks, fuel and containers.

gal to L conversion chart

Gallons (gal)	Liters (L)
0.5 gal	1.89271 L
1 gal	3.78541 L
2 gal	7.57082 L
3 gal	11.3562 L
4 gal	15.1416 L
5 gal	18.9271 L
6 gal	22.7125 L
7 gal	26.4979 L
8 gal	30.2833 L
9 gal	34.0687 L
10 gal	37.8541 L
12 gal	45.4249 L
15 gal	56.7812 L
20 gal	75.7082 L
25 gal	94.6353 L
30 gal	113.562 L
40 gal	151.416 L
50 gal	189.271 L
75 gal	283.906 L
100 gal	378.541 L
200 gal	757.082 L
500 gal	1,892.71 L
1,000 gal	3,785.41 L

FAQ

gal to L: common questions

Quick answers about converting gallons to liters.

How many liters are in a gallon?

1 gallon = 3.78541 liters. To convert, use: L = gal × 3.78541.

How do I convert gallons to liters?

Use the formula L = gal × 3.78541. For example, 5 gal = 18.9271 L. Or type any number into the converter above.

How many gallons are in a liter?

1 liter = 0.264172 gallons.

Is this gal to L converter free?

Yes. It is completely free, works on phones and computers, and needs no sign-up. The result updates instantly as you type.

Does this use US or UK units?

It uses US customary units (US gallons, cups and fluid ounces), which are what most recipes and labels in the United States use. UK (imperial) gallons and fluid ounces are different sizes.

More volume conversions

Liters to Gallons L → gal Milliliters to Fluid ounces mL → fl oz Fluid ounces to Milliliters fl oz → mL Cups to Milliliters cup → mL Milliliters to Cups mL → cup Tablespoons to Milliliters tbsp → mL Teaspoons to Milliliters tsp → mL Quarts to Liters qt → L Liters to Quarts L → qt Cups to Fluid ounces cup → fl oz Tablespoons to Teaspoons tbsp → tsp All unit conversions → Full unit converter tool →

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