Unit converter
US Gallons to Liters Converter
Convert US gallons to liters. Multiply the gallon value by 3.78541 to get the exact number of liters. Very useful for fuel economy comparisons and international product sizing.
Formula
L = gal (US) × 3.78541
Example: 15 gal × 3.78541 ≈ 56.781 L.
US Gallons to Liters conversion chart
| US gallons (gal) | Liters (L) |
|---|---|
| 1 gal | 3.7854 L |
| 2 gal | 7.5708 L |
| 3 gal | 11.3562 L |
| 5 gal | 18.9271 L |
| 10 gal | 37.8541 L |
| 15 gal | 56.7812 L |
| 20 gal | 75.7082 L |
| 25 gal | 94.6353 L |
| 30 gal | 113.5623 L |
| 40 gal | 151.4164 L |
| 50 gal | 189.2705 L |
| 75 gal | 283.9058 L |
| 100 gal | 378.541 L |
Frequently asked questions
- How many liters in one US gallon?
- One US gallon equals exactly 3.78541 liters.
- How do I convert MPG to L/100km?
- Divide 235.215 by the MPG value. For 30 MPG: 235.215 ÷ 30 ≈ 7.84 L/100km.
- Is a US quart 1 liter?
- Close — one US quart is 0.9464 L, so it's slightly smaller than a liter.
Reverse
Liters → US gallonsRelated conversions