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Liters to US Gallons Converter

1 liter = 0.264172 US gallons. A 2-liter bottle = 0.528 gal. Note: the UK imperial gallon is larger.

Inverse conversion

1 US gallon = 3.78541 liters. The imperial gallon (UK) = 4.54609 L — about 20% larger than a US gallon.

US Gallons to Liters →

Note

This is the US liquid gallon (3.785 L), not the imperial gallon (4.546 L).

Formula

Formula

gallons (US) = liters × 0.264172

Worked example

To convert 10 liters to gallons, multiply 10 × 0.264172 = 2.642 US gallons.

Quick reference table

Lgal (US)
10.264172
20.528344
51.32086
102.641721
205.283441
5013.208603
10026.417205

Unit definitions

Liter (L)

The liter (L) is the standard metric unit for volume, equal to 1 cubic decimeter (1 dm³).

US Gallon (gal (US))

The US gallon is 3.785411784 liters. It differs from the imperial gallon (4.546 L) used in the UK.

Common use cases

  • Fuel conversion (L ↔ gal)
  • Beverage container sizing
  • Aquarium volume

Related guides

US Gallon vs Imperial Gallon: What's the Difference?

The word 'gallon' refers to two different volumes depending on where you are. The US gallon is 3.785 liters; the imperial (UK) gallon is 4.546 liters — about 20% larger. Getting this wrong matters for fuel economy comparisons, brewing recipes, shipping, and any cross-border volume calculation.

Frequently asked questions

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