US Gallon to Liter Converter
Convert US Gallon (gal) to Liter (l) instantly with this volume converter. Use the calculator above, then check the formula, worked examples, table, and manual steps below.
Formula
l = gal × 3.785411784
Multiply the US Gallon value by 3.785411784 to get the equivalent value in Liter.
Example Conversions
1 US Gallon (gal)
3.785411784 Liter (l)
5 US Gallon (gal)
18.92705892 Liter (l)
10 US Gallon (gal)
37.85411784 Liter (l)
25 US Gallon (gal)
94.6352946 Liter (l)
100 US Gallon (gal)
378.5411784 Liter (l)
Conversion Table
| US Gallon (gal) | Liter (l) |
|---|---|
| 0.1 | 0.3785411784 |
| 0.5 | 1.892705892 |
| 1 | 3.785411784 |
| 2 | 7.570823568 |
| 5 | 18.92705892 |
| 10 | 37.85411784 |
| 25 | 94.6352946 |
| 50 | 189.2705892 |
| 100 | 378.5411784 |
| 250 | 946.352946 |
| 500 | 1892.705892 |
| 1000 | 3785.411784 |
How to Convert Manually
Use these steps to convert US Gallon values to Liter without the calculator.
- Write down the value in US Gallon (gal) that you want to convert.
- Multiply that value by 3.785411784.
- For example, 10 US Gallon × 3.785411784 = 37.85411784 Liter.
- Label the result as Liter (l).
Relative Size Comparison
This chart shows the visual difference in size between exactly one US Gallon and one Liter.
About US Gallon and Liter
Converting US Gallon to Liter is common in volume applications, engineering, and everyday life. Whether you are translating specifications from international manuals, completing homework, or planning a project, having an accurate gal to l calculation ensures your measurements are correct.
The US Gallon is a unit of volume. One US Gallon equals 3.785411784 l in this converter's base scale.
The Liter is also a volume unit. One Liter equals 1 l in the same base scale.
Precision and Rounding: When converting US Gallon to Liter, you may encounter long decimal numbers. For most practical purposes, rounding to two or three decimal places is sufficient. However, for machining, scientific research, or strict engineering tolerances, you should maintain as much precision as possible before your final calculation.
Worked Example
15 US Gallon equals 56.78117676 Liter.
15 gal × 3.785411784 = 56.78117676 l
FAQ
How do I convert US Gallon to Liter?
Multiply the US Gallon value by 3.785411784 to get the equivalent value in Liter.
What is the formula for US Gallon to Liter?
The formula is l = gal × 3.785411784.
How many Liter are in 1 US Gallon?
1 US Gallon equals 3.785411784 Liter.
Can I convert Liter back to US Gallon?
Yes. 1 Liter equals 0.2641720524 US Gallon, and the related converter can reverse the calculation.
What are common names for US Gallon and Liter?
US Gallon is shown as gal and may also be searched as gallons, us gallons. Liter is shown as l and may also be searched as liters, litre, litres.
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