Convert Gallon (US) to Liter.
Input the value of gallons (us) below to convert instantly to liters with standard conversions, definitions, and equations.
About converting gallons (us) to liters
US gallons to liters is the conversion that turns American fuel, paint, and beverage quantities into the metric volumes used almost everywhere else.
Because one US gallon is 3.785411784 liters, converting gallons to liters means multiplying by about 3.785. A 16-gallon car tank is 60.6 L, a 5-gallon water jug is 18.9 L, and a single gallon of milk is 3.79 L.
The US gallon traces back to the old English wine gallon of 231 cubic inches, which is why it is smaller than the imperial gallon Britain later standardized. When comparing fuel prices or economy figures across countries, always confirm which gallon is being used, since the 20% gap distorts any direct comparison.
- Quick estimate: multiply gallons by 3.8.
- 5 gallons ≈ 19 L is a handy anchor for water and fuel containers.
How to Convert Gallons (US) to Liters
To convert gallon (us) to liter, we use the official conversion formulas. Below is the mathematical formula, plain-English explanation, and a worked example.
Gallon (US) (gal)
US liquid volume unit equal to 4 quarts, 8 pints, or 3.785 liters.
Liter (l)
The standard metric unit of volume, equal to 1 cubic decimeter.
Gallon (US) to Liter Conversion Table
| Gallon (US) (gal) | Liter (l) |
|---|---|
| 1 gal | 3.78541 l |
| 2 gal | 7.57082 l |
| 3 gal | 11.35624 l |
| 5 gal | 18.92706 l |
| 10 gal | 37.85412 l |
| 15 gal | 56.78118 l |
| 20 gal | 75.70824 l |
| 25 gal | 94.63529 l |
| 50 gal | 189.27059 l |
| 100 gal | 378.54118 l |
| 250 gal | 946.35294 l |
| 500 gal | 1892.70589 l |
| 1000 gal | 3785.41178 l |
Liter to Gallon (US) Conversion Table
| Liter (l) | Gallon (US) (gal) |
|---|---|
| 1 l | 0.26417 gal |
| 2 l | 0.52834 gal |
| 3 l | 0.79252 gal |
| 5 l | 1.32086 gal |
| 10 l | 2.64172 gal |
| 15 l | 3.96258 gal |
| 20 l | 5.28344 gal |
| 25 l | 6.6043 gal |
| 50 l | 13.2086 gal |
| 100 l | 26.41721 gal |
| 250 l | 66.04301 gal |
| 500 l | 132.08603 gal |
| 1000 l | 264.17205 gal |