1 US gallon to liters
1 US gallon = 3.78541 liters
Rounded to a practical precision: 3.79 L.
How the calculation works
One US gallon is 3.78541 liters, so:
1 gal × 3.78541 = 3.78541 L
Reversing it, 3.78541 liters ÷ 3.78541 returns 1 US gallons.
Nearby values
| US Gallons | Liters |
|---|---|
| 0.5 gal | 1.89271 L |
| 1 gal | 3.78541 L |
| 1.5 gal | 5.67812 L |
| 2 gal | 7.57082 L |
| 2.5 gal | 9.46353 L |
| 3 gal | 11.35624 L |
About these units
US gallon (gal) — A US liquid gallon is exactly 3.785411784 litres, or 128 fluid ounces.
Liter (L) — A litre is one cubic decimetre, the metric unit for beverages, fuel and everyday liquid volume.
Frequently asked questions
How many liters is 1 US gallon?
1 US gallon is 3.78541 liters.
How do I convert US gallons to liters myself?
Multiply by 3.78541. To go back, divide by 3.78541 — or multiply by 0.264172.
Is this figure exact?
The conversion factor between the US gallon and the liter is fixed by definition. The figure above is rounded for readability; the converter carries full precision.
Convert other values
- 1 US gallons to liters
- 2 US gallons to liters
- 3 US gallons to liters
- 4 US gallons to liters
- 5 US gallons to liters
- 6 US gallons to liters
- 8 US gallons to liters
- 10 US gallons to liters
- 12 US gallons to liters
- 16 US gallons to liters
- 20 US gallons to liters
- 24 US gallons to liters
- 25 US gallons to liters
- 30 US gallons to liters
- 32 US gallons to liters
- 40 US gallons to liters
- 48 US gallons to liters
- 50 US gallons to liters
- 64 US gallons to liters
- 75 US gallons to liters
- 100 US gallons to liters
- 128 US gallons to liters
- 150 US gallons to liters
- 200 US gallons to liters
- 250 US gallons to liters
- 500 US gallons to liters
- 750 US gallons to liters
- 1,000 US gallons to liters