1 gal = 3.78541 l
1 US gallon (gal) = 3.78541 Liter (l).
If you want to reverse convert, use Liter → US gallon. 1 l = 0.26417217685799 gal. You can also explore the full Volume converter page for more cross conversions.
Conversion formula
US gallon to Liter formula: value in l = value in gal × 3.78541.
Liter to US gallon formula: value in gal = value in l × 0.26417217685799.
How to convert US gallon to Liter
To convert US gallon to Liter, multiply the value in gal by 3.78541. This gives the result in l.
For example, 1 gal = 3.78541 l and 10 gal = 37.8541 l.
What is US gallon?
US gallon (gal): The US liquid gallon, used for fuel and large containers. Smaller than the imperial gallon. 1 gal ≈ 3.78541 L.
What is Liter?
Liter (L): A capacity unit for bottles, jugs and fuel. Converting to kilograms requires the substance’s density. 1 L = 1000 mL = 1 dm³.
FAQ
How many liter are in 1 us gallon?
There are 3.78541 l in 1 gal.
Why can conversion results differ slightly?
Check the unit definition and rounding. US and imperial measures can differ; rounding intermediate values can also change the final digits.
How do I convert us gallon to liter?
Multiply the value in gal by 3.78541 to get the value in l.
US gallon → other Volume units
- 1 us gallon → cubic meter = 0.00378541 cubic meter
- 1 us gallon → cubic centimeter = 3785.41 cubic centimeter
- 1 us gallon = 3785410 cubic millimeter
- 1 us gallon → hectoliter = 0.0378541 hectoliter
- 1 us gallon → liter = 3.78541 liter
- 1 us gallon → deciliter = 37.8541 deciliter
- 1 us gallon → centiliter = 378.541 centiliter
- 1 us gallon → milliliter = 3785.41 milliliter
- 1 us gallon → cubic feet = 0.13368049251642 cubic feet
- 1 us gallon → cubic inch = 230.99989113364 cubic inch
- 1 us gallon → cubic yard = 0.0049511293537553 cubic yard
- 1 us gallon → us liquid pint = 8.0000042267571 us liquid pint
- 1 us gallon → us teaspoon = 768.00300269837 us teaspoon
- 1 us gallon → us tablespoon = 255.99580712788 us tablespoon
- 1 us gallon → us customary cup = 16.000008453514 us customary cup
- 1 us gallon → us liquid quart = 3.9999978866237 us liquid quart
- 1 us gallon → us fluid ounce = 128.00006762811 us fluid ounce
- 1 us gallon → imperial gallon = 0.83267379220385 imperial gallon
US gallon → Liter Table
The table below shows common values from US gallon to Liter and the reverse direction for quick reference.
| gal | l | Rounded |
|---|---|---|
| 1 gal | 3.78541 l | 3.7854 |
| 2 gal | 7.57082 l | 7.5708 |
| 3 gal | 11.35623 l | 11.3562 |
| 4 gal | 15.14164 l | 15.1416 |
| 5 gal | 18.92705 l | 18.9271 |
| 10 gal | 37.8541 l | 37.8541 |
| 12 gal | 45.42492 l | 45.4249 |
| 15 gal | 56.78115 l | 56.7812 |
| 20 gal | 75.7082 l | 75.7082 |
| 25 gal | 94.63525 l | 94.6353 |
| 30 gal | 113.5623 l | 113.5623 |
| 40 gal | 151.4164 l | 151.4164 |
| 50 gal | 189.2705 l | 189.2705 |
| 75 gal | 283.90575 l | 283.9058 |
| 100 gal | 378.541 l | 378.5410 |
| 200 gal | 757.082 l | 757.0820 |
| 250 gal | 946.3525 l | 946.3525 |
| 500 gal | 1892.705 l | 1892.7050 |
| 750 gal | 2839.0575 l | 2839.0575 |
| 1000 gal | 3785.41 l | 3785.4100 |
| 2500 gal | 9463.525 l | 9463.5250 |
| 5000 gal | 18927.05 l | 18927.0500 |
| 10000 gal | 37854.1 l | 37854.1000 |
Liter → US gallon Table
| l | gal | Rounded |
|---|---|---|
| 1 l | 0.26417217685799 gal | 0.2642 |
| 2 l | 0.52834435371598 gal | 0.5283 |
| 3 l | 0.79251653057397 gal | 0.7925 |
| 4 l | 1.056688707432 gal | 1.0567 |
| 5 l | 1.3208608842899 gal | 1.3209 |
| 10 l | 2.6417217685799 gal | 2.6417 |
| 12 l | 3.1700661222959 gal | 3.1701 |
| 15 l | 3.9625826528698 gal | 3.9626 |
| 20 l | 5.2834435371598 gal | 5.2834 |
| 25 l | 6.6043044214497 gal | 6.6043 |
| 30 l | 7.9251653057397 gal | 7.9252 |
| 40 l | 10.56688707432 gal | 10.5669 |
| 50 l | 13.208608842899 gal | 13.2086 |
| 75 l | 19.812913264349 gal | 19.8129 |
| 100 l | 26.417217685799 gal | 26.4172 |
| 200 l | 52.834435371598 gal | 52.8344 |
| 250 l | 66.043044214497 gal | 66.0430 |
| 500 l | 132.08608842899 gal | 132.0861 |
| 750 l | 198.12913264349 gal | 198.1291 |
| 1000 l | 264.17217685799 gal | 264.1722 |
| 2500 l | 660.43044214497 gal | 660.4304 |
| 5000 l | 1320.8608842899 gal | 1320.8609 |
| 10000 l | 2641.7217685799 gal | 2641.7218 |
Liter → US gallon
The reverse value is 1 l = 0.26417217685799 gal.