Inches to Feet Converter
Inches ↔ feet.
Open →
Convert
Gallons to Liters Converter
Convert US gallons to litres and back, instantly.
Result
—
Converted value.
| You entered | — |
|---|---|
| 1 gal = | — |
| Reverse | — |
| Formula | — |
Show our math
Enter your figures above to see the step-by-step working.
Everything computed client-sideEverything computed client-side — nothing leaves this page
How the Gallons to Liters Converter Works
Converting between gal and L is a single multiplication: litres = gallons × 3.785. Type a value, pick the direction, and this converter gives the exact result instantly — both ways, so it handles gal to L and L back to gal.
One US gallon is exactly 3.785 litres. It’s the everyday conversion for fuel, water and any liquid volume between the US and metric systems.
litres = gallons × 3.785
Frequently Asked Questions
How many liters is 5 gallons?
About 18.93 litres. One US gallon is 3.785 litres.
How do I convert gallons to liters?
Multiply the gallons by 3.785. So 10 gallons is about 37.85 litres.
Is this the US or UK gallon?
The US gallon (3.785 L). The UK/imperial gallon is larger, about 4.546 litres.
More From The Desk
Same plain method, different figuresOunces to Pounds Converter
Ounces ↔ pounds.
Open →Square Meters to Square Feet
Square meters ↔ square feet.
Open →MPH to Knots Converter
MPH ↔ knots.
Open →