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Gallons to Liters Converter

Convert US gallons to liters instantly, with a chart for fuel and bottle sizes. Free and exact.

  • No uploads
  • No limits
  • No signup

Common conversions

Formula

To convert US gallons to liters, multiply by 3.785411784.

Example

A 15 gal fuel tank is 15 × 3.7854 = 56.78 L. A 5 gal water jug is 18.93 L.

US gallon to Liter conversion table

Common values: US gallon converted to Liter
US gallon (gal (US))Liter (L)
1 gal (US)3.7854 L
2 gal (US)7.5708 L
3 gal (US)11.3562 L
4 gal (US)15.1416 L
5 gal (US)18.9271 L
6 gal (US)22.7125 L
7 gal (US)26.4979 L
8 gal (US)30.2833 L
9 gal (US)34.0687 L
10 gal (US)37.8541 L
15 gal (US)56.7812 L
20 gal (US)75.7082 L
25 gal (US)94.6353 L
30 gal (US)113.5624 L
35 gal (US)132.4894 L
40 gal (US)151.4165 L
45 gal (US)170.3435 L
50 gal (US)189.2706 L
60 gal (US)227.1247 L
70 gal (US)264.9788 L
80 gal (US)302.8329 L
90 gal (US)340.6871 L
100 gal (US)378.5412 L
Input:
Value
Output:
Any unit
Runs on:
Your device
Size limit:
None
Account:
Not needed

How to use Gallons to Liters Converter

  1. Enter the gallons

    Type a volume in US gallons, such as 15 or 0.5.

  2. Tap Convert

    Liters appear after the short opt-in step. Choose UK gallons from the list for the imperial gallon.

  3. Check the chart

    Common values from 1 to 100 gallons are listed below.

Why Gallons to Liters Converter on Toolshed

  • No uploads

    Everything runs in this browser tab. Your files never leave your device.

  • No limits

    No file-size caps, no daily quotas. Process as much as your device can handle.

  • No signup

    No account, no email, no watermark.

Frequently asked questions

Why do UK and US gallons differ?

The US gallon is 3.785 L; the imperial gallon is 4.546 L, about 20 percent larger. The UK gallon is available in the unit list.

How many liters is half a gallon?

Half a US gallon is 1.8927 L, a common milk and juice container size.

Are my files uploaded anywhere?

No. Gallons to Liters Converter runs entirely in your browser. Your files are processed on your device and are never sent to a server.

Is there a file size limit?

No fixed limit. The only limit is your device's memory. Very large files work best in a desktop browser.

Is Gallons to Liters Converter really free?

Yes. There's no account and no watermark. A short optional ad, or a 20-second wait, unlocks each download. That's how we keep it free.

Does it work offline?

Once the page has loaded, processing happens locally, so it keeps working even if your connection drops.