Liter to US Gallon Conversion Chart
| Liter (litres) | US Gallon (gallon) | Reference Benchmark | Formula Step |
|---|---|---|---|
| 0.5 litres | 0.1321 gallon | Standard Metric Half-Liter Sports Water Bottle | 0.5 × 0.264172 = 0.1321 gal-us |
| 1 litres | 0.2642 gallon | Single Liter Bottled Beverage Container | 1 × 0.264172 = 0.2642 gal-us |
| 2 litres | 0.5283 gallon | Two-Liter Carbonated Soft Drink Bottle | 2 × 0.264172 = 0.5283 gal-us |
| 3.785 litres | 1 gallon | Exact International Statutory US Liquid Gallon Jug | 3.785 × 0.264172 = 1 gal-us |
| 5 litres | 1.3209 gallon | Standard Motor Oil and Antifreeze Jug | 5 × 0.264172 = 1.3209 gal-us |
| 10 litres | 2.6417 gallon | Portable Emergency Marine Fuel Canister | 10 × 0.264172 = 2.6417 gal-us |
| 15 litres | 3.9626 gallon | Compact Motorcycle Fuel Tank Capacity | 15 × 0.264172 = 3.9626 gal-us |
| 20 litres | 5.2834 gallon | Commercial Office Water Cooler Bottle Carboy | 20 × 0.264172 = 5.2834 gal-us |
| 25 litres | 6.6043 gallon | Compact Chemical Carboy Jerrycan Container | 25 × 0.264172 = 6.6043 gal-us |
| 50 litres | 13.2086 gallon | Compact Sedan Automotive Fuel Tank | 50 × 0.264172 = 13.2086 gal-us |
| 100 litres | 26.4172 gallon | Full-Size SUV Extended Range Fuel Tank | 100 × 0.264172 = 26.4172 gal-us |
| 200 litres | 52.8344 gallon | Standard Industrial Heavy Chemical Drum Barrel | 200 × 0.264172 = 52.8344 gal-us |
| 250 litres | 66.043 gallon | Commercial Agricultural Spraying Tank | 250 × 0.264172 = 66.043 gal-us |
| 500 litres | 132.086 gallon | Residential Rainwater Storage Cistern Tank | 500 × 0.264172 = 132.086 gal-us |
| 1000 litres | 264.172 gallon | Intermediate Bulk Container (IBC) Tote Payload | 1000 × 0.264172 = 264.172 gal-us |
Liter to US Gallon Formula & Unit Definitions
One US gallon contains approximately 3.78541178 liters (1 liter equals approximately 0.26417205 US gallons). To convert liters to US gallons, multiply the liter value by 0.26417205 (or divide by 3.78541178). Conversely, to convert US gallons to liters, multiply by 3.78541178.
Quick Estimation: To quickly estimate US gallons from liters, divide the liter value by 4 and add about 5%. For example, 40 L ÷ 4 = 10, plus 5% gives ~10.5 gal (exact: 10.57 gal).
Liter Scale (L)
Accepted Non-SI Metric Unit- Creator & Origin: Defined in France in 1795 as 1 cubic decimeter (1 dm³).
- Standard Definition: Recognized by BIPM as equal to exactly 0.001 cubic meters (1 dm³).
- Everyday Focus: Beverage containers, fuel dispensing, vehicle tanks, and lab measurements.
US Gallon Scale (gal)
US Customary Liquid Standard- Creator & Origin: Derived from the medieval English Queen Anne wine gallon of 1707 (231 cu in).
- Standard Definition: Defined by NIST as exactly 231 cubic inches (3.785411784 liters).
- Everyday Focus: Gasoline pumps, milk jugs, paint containers, and residential water heaters.
Frequently Asked Questions
Q.How many US gallons are in one liter?
One liter equals approximately 0.26417205 US liquid gallons. Conversely, 1 US liquid gallon contains approximately 3.78541178 liters.
Q.What is the formula to convert liters to US gallons?
The formula is: US Gallons = Liters × 0.26417205 (or Liters ÷ 3.78541178). For example, 50 L × 0.264172 ≈ 13.21 gal.
Q.How do I reverse this calculation from US gallons to liters?
To convert US gallons back to liters, multiply by 3.78541178. You can also use our dedicated US Gallon to Liter Converter.
Q.Is the US liquid gallon different from the UK Imperial gallon?
Yes. The US liquid gallon is exactly 231 cubic inches (about 3.785 liters), whereas the UK Imperial gallon is about 277.42 cubic inches (about 4.546 liters), making the imperial gallon roughly 20% larger.