Gallons to Liters Converter gal → L

1 gallon (us) (gal) = 3.785411784 liters (L). Type a value below — the conversion happens instantly, entirely on your device.

From

1 gal = 3.785411784 L

Precision

1 gallons = 3.7854118 liters

1 × 3.78541 = 3.7854118

1 gal equals 3.78541 L, so multiplying by 3.78541 converts the value. The result describes the exact same quantity — only the measuring stick changes.

Rate this tool:

Anonymous — no tracking

How to convert gallons to liters

liters = gallons × 3.785411784 — multiply the gallon (us) value by 3.78541.

Example: 10 gal = 37.8541 L.

To convert the other way: gallons = liters ÷ 3.785411784 — or use the dedicated L to gal converter .

Gallons to Liters conversion table

Gallons (gal)	Liters (L)
0.1	0.37854118
0.25	0.94635295
0.5	1.8927059
1	3.7854118
2	7.5708236
3	11.356235
4	15.141647
5	18.927059
6	22.712471
7	26.497882
8	30.283294
9	34.068706
10	37.854118
15	56.781177
20	75.708236
25	94.635295
30	113.56235
40	151.41647
50	189.27059
75	283.90588
100	378.54118
250	946.35295
500	1892.7059
1000	3785.4118

About the units

What is a gallon (us)?

A US gallon (gal) is exactly 3.785411784 liters (231 cubic inches). Fuel in the United States is sold by the US gallon.

What is a liter?

A liter (L) is exactly one cubic decimeter — a 10 cm cube of volume. Beverages and fuel are sold by the liter in most of the world.

Frequently asked questions

How many liters are in 1 gallon (us)?

1 gallon (us) (gal) = 3.785411784 liters (L).

What is the formula to convert gallons to liters?

liters = gallons × 3.785411784 — multiply the gallon (us) value by 3.78541.

How do I convert gal to L without a calculator?

Multiply by 3.79 for a close estimate. Exact factor: 1 gal = 3.785411784 L.

Is this gal-to-L converter accurate and private?

Yes. It uses the exact internationally defined conversion factors and computes results locally in your browser — your input is never sent to a server, and the page keeps working offline.