Gallons to Liters Converter
Instantly convert Gallons to Liters (gal to L). Accurate for US & Imperial gallons. Includes conversion chart for 1, 5, 55 gallons & more.
Gallon Type
1 US Gallon ≈ 3.79 Liters — formula: 1 US gal = 3.7854 L
Enter a number above to see the conversion
How to convert gallons to liters?
To convert gallons to liters, you must first know which type of gallon you are using, as they are different:
- 1 US Gallon = 3.78541 Liters (Used in the USA)
- 1 Imperial Gallon = 4.54609 Liters (Used in the UK & Canada)
To convert US Gallons to Liters, multiply by 3.785.
Formula: Liters = Gallons × 3.78541
Gallons to Liters Calculator
This tool makes the gallons to liters conversion simple. Whether you are measuring a 55 gallon drum, a 5 gallon bucket, or just need to know 1 gallon to liters, simply enter the value to get the precise metric equivalent.
How to use this tool
- 1Enter the volume in Gallons (e.g., 1, 5, or 55).
- 2Select 'US Gallon' or 'Imperial Gallon' (UK) from the menu.
- 3The calculator instantly shows the result in Liters.
- 4Copy the result for your records.
- 5Tip: Use the swap button to convert Liters to Gallons.
Gallons (US) to Liters Conversion Chart
| Gallons (gal) Input | Liters (L) Result |
|---|---|
| 0.5 Gallons (Half) | 1.89 Liters |
| 1 Gallon | 3.79 Liters |
| 1.2 Gallons | 4.54 Liters |
| 1.5 Gallons | 5.68 Liters |
| 1.6 Gallons | 6.06 Liters |
| 2 Gallons | 7.57 Liters |
| 2.5 Gallons | 9.46 Liters |
| 3 Gallons | 11.36 Liters |
| 3.5 Gallons | 13.25 Liters |
| 4 Gallons | 15.14 Liters |
| 5 Gallons | 18.93 Liters |
| 5.5 Gallons | 20.82 Liters |
| 6 Gallons | 22.71 Liters |
| 7 Gallons | 26.50 Liters |
| 8 Gallons | 30.28 Liters |
| 9 Gallons | 34.07 Liters |
| 10 Gallons | 37.85 Liters |
| 11 Gallons | 41.64 Liters |
| 12 Gallons | 45.42 Liters |
| 13 Gallons | 49.21 Liters |
| 13.2 Gallons | 49.97 Liters |
| 14 Gallons | 53.00 Liters |
| 15 Gallons | 56.78 Liters |
| 16 Gallons | 60.57 Liters |
| 17 Gallons | 64.35 Liters |
| 18 Gallons | 68.14 Liters |
| 19 Gallons | 71.92 Liters |
| 20 Gallons | 75.71 Liters |
| 24 Gallons | 90.85 Liters |
| 25 Gallons | 94.64 Liters |
| 26 Gallons | 98.42 Liters |
| 30 Gallons | 113.56 Liters |
| 40 Gallons | 151.42 Liters |
| 50 Gallons | 189.27 Liters |
| 55 Gallons | 208.20 Liters |
| 100 Gallons | 378.54 Liters |
| 300 Gallons | 1135.62 Liters |
Common Gallon Conversions
Standard Containers
- Half gallon to liters: ~1.89 Liters (Common milk carton).
- 1 gallon to liters: ~3.79 Liters.
- 5 gallons to liters: ~18.93 Liters (Standard utility bucket).
- 13.2 gallons to liters: ~50 Liters (Specific car fuel tanks).
- 55 gallons to liters: ~208.20 Liters (Standard industrial drum).
Frequently Asked Questions
How many liters in 1 gallon?
There are approximately 3.785 liters in 1 US gallon. In 1 Imperial (UK) gallon, there are 4.546 liters.
What is 5 gallons in liters?
5 US gallons is equivalent to 18.93 liters. 5 Imperial gallons is equivalent to 22.73 liters.
How many liters is a half gallon?
A half gallon (US) is approximately 1.89 liters.
How do I convert gallons to liters?
Multiply your gallon value by 3.78541. For example, 10 gallons × 3.785 = 37.85 liters.
How many liters in a 55 gallon drum?
A standard 55 US gallon drum holds approximately 208.2 liters of liquid.
Difference between US and Imperial gallons?
An Imperial gallon (UK) is about 20% larger than a US gallon. Always check which unit your container uses.
Conclusion
From 1 gallon milk jugs to 55 gallon industrial drums, this guide covers every major gallons to liters conversion. Use the chart above for quick reference or the calculator for exact precision.