Volume calculator
Gallons to Liters Converter
Convert us gallons (gal) to liters (l) with the exact volume formula, worked examples, and a common-values table.
Exact conversion
US Gallons to liters formula
l = gal × 3.78541178
1 gal equals 3.78541178 l. 10 gal equals 37.8541178 l.
About these units
- gal
- US gallon (gal) is a volume unit used in this converter.
- l
- Liter (l) is a volume unit used in this converter.
Common gal to l values
| gal | l |
|---|---|
| 1 gal | 3.78541178 l |
| 5 gal | 18.9270589 l |
| 10 gal | 37.8541178 l |
| 25 gal | 94.6352946 l |
| 50 gal | 189.270589 l |
| 100 gal | 378.541178 l |
Formula
US Gallons to liters formula
l = gal × 3.78541178
1 gal equals 3.78541178 l. 10 gal equals 37.8541178 l.
FAQs
How do I convert us gallons to liters?+
Use this formula: l = gal × 3.78541178. Enter the gal value and the calculator applies the relationship immediately.
How many l are in 1 gal?+
1 gal equals 3.78541178 l.
What is 10 gal in l?+
10 gal equals 37.8541178 l. The displayed result may be rounded, while the calculator keeps full precision internally.
Can I convert liters back to us gallons?+
Yes. Use Swap in the converter to reverse the units and calculate l to gal.
How does the Gallons to Liters Converter calculate the result?+
It uses the US Gallons to liters formula: l = gal × 3.78541178. 1 gal equals 3.78541178 l. 10 gal equals 37.8541178 l.
What information do I need to use the Gallons to Liters Converter?+
Convert us gallons (gal) to liters (l) with the exact volume formula, worked examples, and a common-values table.
Volume guide
How to use the Gallons to Liters Converter
Convert us gallons (gal) to liters (l) with the exact volume formula, worked examples, and a common-values table. The page also explains the US Gallons to liters formula and shows a practical example: 1 gal equals 3.78541178 l. 10 gal equals 37.8541178 l.
- 1
Enter your details
Enter the source value, then choose the units or values you want to convert.
- 2
Check the calculation
Review the result alongside the US Gallons to liters formula: l = gal × 3.78541178.
- 3
Compare scenarios
Change one or more inputs to see how they affect the gallons to Liters Converter result before you use the estimate.
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