Liters to Gallons Converter
1 US gallon = 3.78541 liters — convert any volume instantly
How Many Liters in a Gallon?
There are 3.78541 liters in 1 US gallon. The UK Imperial gallon is larger: 4.54609 liters. The US gallon is used for fuel in the United States; the UK gallon is used in the UK and some Commonwealth countries.
Liters to Gallons Reference Table
Quick tip: Divide liters by 3.8 for a fast US gallon estimate. Example: 40L ÷ 3.8 ≈ 10.5 gal (actual: 10.57 gal).
L → US gallons
| Liters | US Gallons |
|---|---|
| 1 L | 0.264 gal |
| 2 L | 0.528 gal |
| 3 L | 0.793 gal |
| 4 L | 1.057 gal |
| 5 L | 1.321 gal |
| 10 L | 2.642 gal |
| 15 L | 3.963 gal |
| 20 L | 5.283 gal |
| 25 L | 6.604 gal |
| 30 L | 7.925 gal |
| 40 L | 10.567 gal |
| 50 L | 13.209 gal |
| 60 L | 15.850 gal |
| 75 L | 19.813 gal |
| 100 L | 26.417 gal |
US gal → Liters
| US Gallons | Liters |
|---|---|
| 1 gal | 3.785 L |
| 2 gal | 7.571 L |
| 3 gal | 11.356 L |
| 4 gal | 15.142 L |
| 5 gal | 18.927 L |
| 6 gal | 22.712 L |
| 8 gal | 30.283 L |
| 10 gal | 37.854 L |
| 12 gal | 45.425 L |
| 15 gal | 56.781 L |
| 20 gal | 75.708 L |
| 25 gal | 94.635 L |
| 30 gal | 113.562 L |
| 40 gal | 151.416 L |
| 50 gal | 189.271 L |
Fuel Economy & Common Uses
Fuel tip: To convert L/100km to MPG: MPG ≈ 235 ÷ (L/100km). Example: 8 L/100km ≈ 29.4 MPG.
- Car fuel tank — average tank is 45–70 liters (12–18 US gallons)
- Water bottle — 2 liter bottle = 0.528 US gallons
- Milk jug (US) — 1 gallon = 3.785 liters
- Swimming pool — average 75,000 liters = 19,812 US gallons
- Cooking — 1 liter = approx 4.23 US cups
Frequently Asked Questions
How many liters in a US gallon?
1 US gallon = 3.78541 liters. This is the standard US liquid gallon used for fuel and most liquids.
How many liters in a UK gallon?
1 UK (Imperial) gallon = 4.54609 liters. The UK gallon is about 20% larger than the US gallon.
How many gallons is 5 liters?
5 liters = 1.321 US gallons. Divide 5 ÷ 3.78541 = 1.321.
How many liters is 5 gallons?
5 US gallons = 18.927 liters. Multiply 5 × 3.78541 = 18.927.
What is 2 liters in gallons?
2 liters = 0.528 US gallons. A 2-liter soda bottle is just over half a US gallon.
How do I convert liters to gallons?
Divide liters by 3.78541 for US gallons, or by 4.54609 for UK gallons.