VOLUME CONVERSION
US gallons to Litres converter
Convert us gallons to litres instantly.
1 gal equals
3.78541178 LInstant us gallons to litres conversionCalculated locally in your browser using the stated conversion formula.US gallons to Litres conversion guide
Use this calculator when comparing measurements, checking specifications, planning travel, preparing materials or reading information published in another unit system. Enter any value above to receive the converted result immediately.
Worked example: 10 gal equals 37.85411784 L. The displayed result is rounded for readability while the calculator retains full numeric precision.
US gallons to Litres table
1 gal3.78541178 L
5 gal18.92705892 L
10 gal37.85411784 L
25 gal94.6352946 L
50 gal189.2705892 L
100 gal378.5411784 L
Frequently asked questions
How do I convert us gallons to litres?
Multiply the us gallons value by 3.78541178400. For example, 10 gal equals 37.85411784 L.
Is this US gallons to Litres conversion accurate?
The calculator uses the stated conversion relationship and keeps full internal precision before formatting the displayed answer. For regulated or safety-critical work, confirm the required rounding standard.
Can I use this converter on a phone?
Yes. The calculator is responsive, keyboard accessible and performs the conversion locally in a modern browser without requiring an account.
Related volume conversions
How this calculator works
Litres = US gallons × 3.78541178400.
Important notes
Results are estimates based on the values entered. Confirm rates, prices, units and professional requirements that apply in your location.