Gallons (US) to Liters Converter
Convert US gallons to liters instantly. Free gallons to liters calculator for fuel, cooking, and liquid volume.Updated 2026-03-15
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Formula: L = gal × 3.78541
Common Gallons (US) to Liters Conversions
| Gallons (US) (gal) | Liters (L) |
|---|---|
| 0.25 gal | 0.9463525 L |
| 0.5 gal | 1.892705 L |
| 1 gal | 3.78541 L |
| 1.5 gal | 5.678115 L |
| 2 gal | 7.57082 L |
| 3 gal | 11.35623 L |
| 4 gal | 15.14164 L |
| 5 gal | 18.92705 L |
| 10 gal | 37.8541 L |
| 15 gal | 56.78115 L |
| 20 gal | 75.7082 L |
| 25 gal | 94.63525 L |
| 30 gal | 113.5623 L |
| 50 gal | 189.2705 L |
| 100 gal | 378.541 L |
How to Convert Gallons (US) to Liters
To convert gallons (us) to liters, use the formula: L = gal × 3.78541
For example, to convert 1.5 gal to L: 1.5 gal = 5.678115 L
💡 This calculator does the conversion instantly as you type. All calculations happen locally in your browser — no data is sent anywhere.
Frequently Asked Questions
How many liters are in a gallon?
1 US gallon equals approximately 3.78541 liters.
Is a US gallon the same as an imperial gallon?
No. A US gallon = 3.785 liters, while an imperial (UK) gallon = 4.546 liters.
How many liters in 5 gallons?
5 US gallons equals approximately 18.93 liters.
Cite this tool:
"Gallons (US) to Liters Converter." ConvKit, conv-kit.com, https://conv-kit.com/tools/gallons-to-liters/. Accessed 2026-03-15.