US Gallons to Liters (gal to L)
1 gal = 3.78541 L
and 1 L = 0.264172 gal
How to convert US Gallons to Liters
L = gal × 3.785411784
To convert, multiply the number of US gallons by 3.785411784. Example: 10 gal × 3.785411784 = 37.8541 L.
1 US liquid gallon is exactly 3.785411784 liters.
Handy for US fuel economy and tank sizes, milk jugs and water-heater capacities. Values are US liquid gallons (an imperial gallon is 4.54609 L).
Mental shortcut: multiply by 3.8 (overestimates by about 0.4%).
US Gallons to Liters conversion chart
| US Gallons | Liters |
|---|---|
| 0.25 gal | 0.9464 L |
| 0.5 gal | 1.89 L |
| 0.75 gal | 2.84 L |
| 1 gal | 3.79 L |
| 2 gal | 7.57 L |
| 3 gal | 11.36 L |
| 4 gal | 15.14 L |
| 5 gal | 18.93 L |
| 6 gal | 22.71 L |
| 7 gal | 26.5 L |
| 8 gal | 30.28 L |
| 9 gal | 34.07 L |
| 10 gal | 37.85 L |
| 11 gal | 41.64 L |
| 12 gal | 45.42 L |
| 13 gal | 49.21 L |
| 14 gal | 53 L |
| 15 gal | 56.78 L |
| 16 gal | 60.57 L |
| 17 gal | 64.35 L |
| 18 gal | 68.14 L |
| 19 gal | 71.92 L |
| 20 gal | 75.71 L |
| 21 gal | 79.49 L |
| 22 gal | 83.28 L |
| 23 gal | 87.06 L |
| 24 gal | 90.85 L |
| 25 gal | 94.64 L |
| US Gallons | Liters |
|---|---|
| 26 gal | 98.42 L |
| 27 gal | 102.21 L |
| 28 gal | 105.99 L |
| 29 gal | 109.78 L |
| 30 gal | 113.56 L |
| 35 gal | 132.49 L |
| 40 gal | 151.42 L |
| 45 gal | 170.34 L |
| 50 gal | 189.27 L |
| 55 gal | 208.2 L |
| 60 gal | 227.12 L |
| 65 gal | 246.05 L |
| 70 gal | 264.98 L |
| 75 gal | 283.91 L |
| 80 gal | 302.83 L |
| 85 gal | 321.76 L |
| 90 gal | 340.69 L |
| 95 gal | 359.61 L |
| 100 gal | 378.54 L |
| 150 gal | 567.81 L |
| 200 gal | 757.08 L |
| 250 gal | 946.35 L |
| 300 gal | 1,135.62 L |
| 350 gal | 1,324.89 L |
| 400 gal | 1,514.16 L |
| 450 gal | 1,703.44 L |
| 500 gal | 1,892.71 L |
Values rounded to 2 decimal places (4 below 1). Use the converter above for more precision.
Frequently asked questions
How many liters are in 1 US gallon?
1 US gallon = 3.78541 liters. 1 US liquid gallon is exactly 3.785411784 liters.
How do I convert US gallons to liters?
Multiply the number of US gallons by 3.785411784. Example: 10 gal × 3.785411784 = 37.8541 L.
Is there a quick way to estimate gal to L in your head?
Yes — multiply by 3.8. This overestimates by about 0.4%. Use the exact formula (L = gal × 3.785411784) when precision matters.
How do I convert liters back to US gallons?
Use gal = L ÷ 3.785411784 — divide the number of liters by 3.785411784. See the Liters to US Gallons page for a full chart.