Unit Converters
Liters to Gallons Converter
Liters to Gallons — it converts litres to US gallons and back using 1 US gallon = 3.785411784 L. This page runs that same calculation on your numbers, in your browser: no signup, no uploads, nothing stored.
Want to convert a volume measurement between units such as litres, gallons, cups and millilitres? Liters to Gallons Converter does it from your value plus the source and target units and shows the converted volume in the unit you choose clearly, with everything calculated in your browser.
Gallon, quart, pint, cup, fluid ounce, tablespoon and teaspoon use US liquid measures. One US gallon is 3.785411784 L; one cup is 16 tablespoons.
About this calculator
It converts litres to US gallons and back using 1 US gallon = 3.785411784 L. It matters whenever the same quantity is expressed in two systems and a wrong factor silently breaks the answer. Here is the calculation on real numbers: Convert 10 L to US gallons: 10 ÷ 3.78541 = 2.64 gal (1 US gal = 3.78541 L). For your own figures, use the calculator above — same method, your inputs, computed on-device.
How to use
- Enter the volume in litres.
- From is preset to l and To to gal — change them if you need a different conversion.
- Press Calculate to convert litres to gallons.
- Read the litres value converted to gallons.
Why use Liters to Gallons Converter
Fast
Calculations run in your browser. No round trip to a server.
Private
Your inputs never leave your device. Nothing is uploaded.
Free
No signup, no paywall, no ads-in-results, no watermarks.
Accurate
Uses standard conversion factors where applicable. Check critical measurements before relying on the result.
Mobile-ready
Optimised for phones, tablets, and desktops alike.
Transparent
Honest disclaimers wherever browser limits or regional rules apply.
Common uses
Liters to Gallons in design and manufacturing
Use it for coursework and homework
Use it for everyday unit reference
Use it when standardising units in a report
Liters to Gallons in trade and workshop work
Liters to Gallons in lab and technical tasks
Technical notes
Liters to Gallons Converter converts litres to US gallons and back using 1 US gallon = 3.785411784 L.
Conversions use standard reference factors; for trade or engineering tolerances keep more decimal places than the display shows.
Because it runs locally, results appear instantly with no server round-trip.
FAQ
How do I convert litres to gallons?
Enter the value in litres; the tool multiplies by the standard factor and shows gallons.
Is the l to gal conversion exact?
It uses standard definitions (1 US gallon = 3.78541 L), so l-to-gal results are accurate to the digits shown.
Can I reverse it to gallons to litres?
Yes. Swap the From and To units to convert gallons back to litres.
Does the Liters to Gallons Converter send my data to a server?
No. The Liters to Gallons Converter runs entirely in your browser, so nothing you enter is uploaded, stored, or shared.
Worked example
Convert 10 L to US gallons: 10 ÷ 3.78541 = 2.64 gal (1 US gal = 3.78541 L).