Liters to Gallons (L to gal) Converter

Also try: Gallons to Liters | Liters to mL

Liters to Gallons — Formula & Reference

The liter (L) is the metric unit of volume used worldwide. The US liquid gallon is the most common gallon in everyday use in the United States and equals approximately 3.785 liters.

Formula (US gallon)

Common Volume Reference

Related Volume & Unit Converters

Litres to Gallons: Which Gallon?

One litre equals 0.264172 US gallons or 0.219969 imperial (UK) gallons. To convert litres to US gallons, multiply by 0.264172; to imperial gallons, multiply by 0.219969. To convert US gallons to litres, multiply by 3.785; imperial gallons by 4.546. The difference matters: if you need 20 US gallons and the supplier sells in litres, you need 75.7 L; if they use imperial gallons, you need 90.9 L of the same volume.

Fuel prices and pump displays in European countries show litres and € per litre. US pumps show US gallons and $ per gallon. A standard US fuel purchase of 15 gallons = 56.8 litres. Wine and spirits are sold in millilitres and litres globally; the US 'fifth' (750 ml) and 'fifth of a gallon' colloquially match. Swimming pools, water heaters, and fish tanks are specified in gallons in the US and litres in Europe.

Litres to Gallons

Converting Liters to Gallons for Everyday and Industrial Use

One liter equals 0.264172 US gallons or 0.219969 imperial gallons. Understanding which gallon type applies to your context is critical: a European car’s 60-liter fuel tank holds approximately 15.9 US gallons, not 13.2 imperial gallons. International fuel economy comparisons require consistent gallon definitions. Pool chemistry and aquarium care in the US state dosing amounts in gallons; converting a pool’s liter capacity to gallons makes it easy to apply US-labeled product instructions. Water heater efficiency (EF rating) and capacity in the US are stated in gallons, while imported units and European standards use liters. Industrial chemical tanks, brewing equipment, and food processing vessels often blend metric and US measure. Converting liters to US gallons: multiply by 0.264172. For imperial gallons, multiply by 0.219969. Always confirm which gallon standard applies before making dosing or purchase decisions.

Liters to Gallons Reference Table