How do I convert Liter (L) to US gallon (gal)?

1 l equals 0.264172 gal using SI-based conversion and precise factors.

What is the formula to convert Liter (L) to US gallon (gal)?

This is a linear unit conversion using a constant factor between units.

Yes, it uses exact definitions or standardized constants (e.g., 1 in = 25.4 mm).

Use the shareable URL pattern: /convert/l-to-gal/1

Category: Volume

Value From To Precision

0.264172 gal

1 l = 0.264172 gal

High-precision rounding: 6 decimals

We convert by pivoting through the SI base unit for Volume and applying exact factors where applicable.

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Volume measures space occupied. Liters and gallons are common in daily life.

Liter (L)

1 dm³; common for beverages and fuel.

History: Rooted in early metric definitions; modern symbol ‘L’ widely accepted.

US gallon (gal)

3.785411784 L (exact).

History: US defined its own gallon; differs from Imperial.