Liters vs Gallons

Compare liters and gallons side by side, convert in both directions, and see the exact factor - Volume units.

= 0.264172 gal

= 3.7854 L

1 liter = 0.264172 gal · 1 gallon = 3.7854 L

The Liters is the smaller unit - the same amount has a smaller number when measured in it.

Liters (L)Gallons (gal)Gallons (gal)Liters (L)
10.26417213.7854
20.52834427.5708
51.3209518.9271
102.64171037.8541
256.60432594.6353
5013.208650189.3
10026.4172100378.5
25066.043250946.4
500132.15001,893
1000264.210003,785

Quick Answer

1 liter (L) = 0.264172 gallons (gal), and 1 gallon = 3.7854 liters. Gallons is the larger unit, so the same physical amount needs a bigger number when measured in liters. Convert either way with the live tool below or the dedicated converter pages.

Key Facts

  • 1 liter (L) = 0.264172 gal
  • 1 gallon (gal) = 3.7854 L
  • Conversion is exact multiplication - no rounding in the factor
  • Table below covers common values in both directions
  • Dedicated converters: L→gal and gal→L pages with live tools

Frequently Asked Questions

Which is bigger, a liter or a gallon?

One liter equals 0.264172 gal, and one gallon equals 3.7854 L. The unit with the larger factor is the physically bigger one.

How do I convert liters to gallons?

Multiply by the factor: value in gal = value in L × 0.264172. Example: 5 L = 1.3209 gal. Reverse: divide by 0.264172 (or multiply by 3.7854).

Why are liters and gallons different?

They come from different measurement systems - Liters belongs to the metric (SI) world, Gallons to the US customary world (or another convention). The conversion is exact: 0.264172 gal per liter, no rounding needed for the factor itself.

Is there a quick way to convert without a calculator?

Memorize the 1-to factor: 1 liter ≈ 0.264172 gal. Then multiply. For 2 L that's ≈ 0.528344 gal.

Frequently Asked Questions

One liter equals 0.264172 gal, and one gallon equals 3.7854 L. The unit with the larger factor is the physically bigger one.

Multiply by the factor: value in gal = value in L × 0.264172. Example: 5 L = 1.3209 gal. Reverse: divide by 0.264172 (or multiply by 3.7854).

They come from different measurement systems - Liters belongs to the metric (SI) world, Gallons to the US customary world (or another convention). The conversion is exact: 0.264172 gal per liter, no rounding needed for the factor itself.

Memorize the 1-to factor: 1 liter ≈ 0.264172 gal. Then multiply. For 2 L that's ≈ 0.528344 gal.