Instant & Free Volume Calculator

Gallons to Liters Converter

Convert US gallons to liters effortlessly.

gal
L
Calculation: 1 gal = 3.785412 L
Formula: L = gal × 3.78541

About Gallons to Liters Conversion

Gallons are commonly used in the US for milk, gasoline, paint, and pools. Converting gallons to liters makes it straightforward to compare prices per liter, fill vehicle tanks internationally, or mix chemical solutions.

How to calculate manually:

To convert US liquid gallons to liters, multiply the number of gallons by 3.785411784.

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Gallons to Liters Conversion Table

Gallons (gal)Liters (L)Action
1 gal3.785412 L
2 gal7.570824 L
3 gal11.356235 L
5 gal18.927059 L
10 gal37.854118 L
15 gal56.781177 L
20 gal75.708236 L
25 gal94.635295 L
50 gal189.270589 L
75 gal283.905884 L
100 gal378.541178 L
500 gal1892.705892 L

Frequently Asked Questions (Gallons to Liters)

How many liters are in 1 US gallon?

There are exactly 3.785411784 liters in 1 US liquid gallon.

What is 5 gallons in liters?

5 US gallons equals 18.927 liters (5 × 3.78541 = 18.9271 L).

What is the difference between US and UK gallons?

1 US gallon is ~3.785 liters, whereas 1 UK Imperial gallon is ~4.546 liters. This converter defaults to the standard US gallon.