Liters to Gallons Converter
gal = L × 0.264172 | gal → L: L = gal × 3.78541
Common Liters to Gallons Conversions
The most frequently searched liter-to-gallon values — from a single liter up to large tank capacities:
- 0.5 L to gallons: 0.5 × 0.264172 = 0.132 gal
- 1 L to gallons: 1 × 0.264172 = 0.264 gal
- 1.5 L to gallons: 1.5 × 0.264172 = 0.396 gal
- 2 L to gallons: 2 × 0.264172 = 0.528 gal
- 3 L to gallons: 3 × 0.264172 = 0.793 gal
- 3.785 L to gallons: 3.785 × 0.264172 = 1.000 gal
- 5 L to gallons: 5 × 0.264172 = 1.321 gal
- 10 L to gallons: 10 × 0.264172 = 2.642 gal
- 20 L to gallons: 20 × 0.264172 = 5.283 gal
- 50 L to gallons: 50 × 0.264172 = 13.209 gal
Liters to Gallons Conversion Chart
Complete reference table from 0.5 liters to 100 liters with fluid ounce equivalents:
| Liters (L) | US Gallons | US Fluid Oz | Common Context |
|---|---|---|---|
| 0.5 L | 0.132 gal | 16.91 fl oz | Standard water bottle |
| 1 L | 0.264 gal | 33.81 fl oz | 1-litre bottle |
| 1.5 L | 0.396 gal | 50.72 fl oz | Large sparkling water |
| 2 L | 0.528 gal | 67.63 fl oz | 2-litre soda bottle |
| 3 L | 0.793 gal | 101.4 fl oz | — |
| 3.785 L | 1.000 gal | 128 fl oz | 1 US gallon |
| 4 L | 1.057 gal | 135.3 fl oz | — |
| 5 L | 1.321 gal | 169.1 fl oz | Large water jug |
| 7.571 L | 2.000 gal | 256 fl oz | 2 US gallons |
| 10 L | 2.642 gal | 338.1 fl oz | — |
| 15 L | 3.963 gal | 507.2 fl oz | — |
| 18.93 L | 5.000 gal | 640 fl oz | 5-gallon jug / fuel can |
| 20 L | 5.283 gal | 676.3 fl oz | Large drum |
| 37.85 L | 10.000 gal | 1,280 fl oz | 10-gallon tank |
| 50 L | 13.209 gal | 1,690 fl oz | — |
| 100 L | 26.417 gal | 3,381 fl oz | Large storage tank |
How to Convert Liters to Gallons
The liters-to-gallons conversion uses a single multiplication factor:
Where Does 0.264172 Come From?
It is the reciprocal of 3.78541 (the number of liters per US gallon). Since 1 ÷ 3.78541 = 0.264172, multiplying any liter value by 0.264172 converts it to US gallons precisely.
Quick Mental Estimate
For fast mental math, use ¼ gallon per liter as an approximation. It's slightly low (0.25 vs 0.264) but useful for quick estimates. Example: 8 liters ≈ 2 gallons (exact: 2.113 gal).
Gallons to Liters Reference
The reverse conversion — gallons to liters — is equally common, especially when comparing US product sizes with metric equivalents:
| US Gallons | Liters (L) | Common Context |
|---|---|---|
| 0.25 gal (1 qt) | 0.946 L | Quart carton |
| 0.5 gal | 1.893 L | Half-gallon jug |
| 1 gal | 3.785 L | Gallon water jug |
| 2 gal | 7.571 L | — |
| 5 gal | 18.93 L | Fuel can / water cooler |
| 10 gal | 37.85 L | Fish tank / small drum |
| 15 gal | 56.78 L | Average sedan fuel tank |
| 20 gal | 75.71 L | SUV fuel tank |
For fluid ounce equivalents, use our gallon to oz converter or the oz to liter tool.
Real-Life Uses for Liters to Gallons Conversion
Fuel Economy Comparisons
European fuel economy is measured in litres per 100 km (L/100km). American fuel economy uses miles per gallon (mpg). Converting between the two requires both a liter-to-gallon conversion and a km-to-mile conversion. A car rated at 6 L/100km achieves approximately 39.2 US mpg — numbers that look very different without the conversion.
Importing Appliances
European washing machines, dishwashers, and refrigerators list water capacities in litres. American equivalents list in gallons. A washing machine using "50 L per cycle" uses about 13.2 US gallons — context that matters when comparing water efficiency ratings.
Aquariums and Fish Tanks
Fish tanks sold in Europe are sized in litres; US tanks in gallons. A 200-litre tank = 52.8 US gallons. Knowing this lets you use US-labelled chemicals, filtration equipment, and feeding guides with metric-sized tanks.
Cooking with International Recipes
A soup recipe calling for "4 litres of stock" needs 4 × 0.264172 = 1.057 US gallons — just over one gallon jug. Converting lets you buy the right amount without waste. For full cooking measurement coverage see: Liquid Measurement Conversion Chart.
Official conversion standards: National Institute of Standards and Technology (NIST).