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.
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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.