Gallons to Liters Conversion Calculator

To convert gallons to liters, multiply the gallon value by 3.78541. For example: 1) 1 gallon = 3.78541 liters, 2) 2 gallons = 7.57082 liters, 3) 5 gallons = 18.9271 liters. Our calculator handles this automatically.

1 US gallon equals exactly 3.78541 liters. For quick estimates: 1) 1 gal ≈ 3.79 L, 2) 2 gal ≈ 7.57 L, 3) 5 gal ≈ 18.93 L. Note that this is for US gallons - Imperial gallons are different (1 Imperial gallon = 4.54609 liters).

Common gallon to liter conversions include: 1) 1 gal = 3.79 L, 2) 2 gal = 7.57 L, 3) 5 gal = 18.93 L, 4) 10 gal = 37.85 L, 5) 20 gal = 75.71 L, 6) 50 gal = 189.27 L, 7) 100 gal = 378.54 L.

US and Imperial gallons differ in size: 1) 1 US gallon = 3.78541 liters, 2) 1 Imperial gallon = 4.54609 liters, 3) 1 Imperial gallon = 1.20095 US gallons, 4) This difference affects fuel economy ratings and other measurements between countries.

For quick estimates of gallons to liters: 1) Multiply gallons by 3.8 (slightly more than 3.78541), 2) For example: 5 gal × 3.8 = 19 L, 3) 10 gal × 3.8 = 38 L, 4) Remember that 1 gallon is about 3.8 liters, 5) This gives a close approximation for most purposes.

Gallons and liters are used in various contexts: 1) Fuel sales (gallons in US, liters elsewhere), 2) Milk and beverages (varies by country), 3) Swimming pools (both units), 4) Car fuel tanks (manufacturer's region determines unit), 5) Paint and other liquids (often shows both), 6) Water consumption measurements.