FreeToolPark

Convert Gallons (US) to Liters (gal to L)

Instantly convert gallons (us) to liters with this free online converter. Type a value below and the result updates in real time. All calculations run in your browser, nothing is sent to a server.

Swap: L to gal

1 gal = 3.78541 L

Gallons (US) to Liters Formula

L = gal x 3.78541

Multiply the gallons (us) value by 3.78541 to get liters.

Common Gallons (US) to Liters Conversions

Gallons (US) (gal)Liters (L)
1 gal3.78541 L
5 gal18.92705 L
10 gal37.8541 L
25 gal94.63525 L
50 gal189.2705 L
100 gal378.541 L
250 gal946.3525 L
500 gal1,892.705 L
1,000 gal3,785.41 L

How to Convert Gallons (US) to Liters

  1. Enter the gallons (us) value in the input field above.
  2. The liters result appears instantly as you type.
  3. Click the copy button to copy the result to your clipboard.
  4. To convert in the other direction, click the Swap button or visit the Liters to Gallons (US) converter.
100% Private - This tool runs entirely in your browser. Your data never touches our servers. How we protect you →

Frequently Asked Questions

How many liters are in one gallons (us)?

One gallons (us) equals 3.78541 L. Use the converter above for any value.

What is the formula to convert gal to L?

The formula is: L = gal x 3.78541. Multiply the gallons (us) value by 3.78541 to get liters.

How do I convert liters back to gallons (us)?

Use our reverse converter: Liters to Gallons (US). You can also click the "Swap" button above the converter.

Is this converter accurate?

Yes. This converter uses the standard conversion factor and handles up to 8 decimal places of precision. All calculations run instantly in your browser with no rounding shortcuts.

Do I need to sign up to use this converter?

No. This converter is completely free with no signup, no account, and no usage limits. Your data never leaves your browser.

About This Tool

Tool
FreeToolPark Gallons (US) to Liters Converter
Type
Free online tool, no signup required
Domain Expertise
Unit conversion, measurement systems, data format conversion
Privacy
100% client-side, no data stored
Description
Free gallons (us) to liters converter. Instantly convert gal to L with a reference table of common values. No signup, runs in your browser.

Cite This Tool

FreeToolPark. "Gallons (US) to Liters Converter." FreeToolPark, 2026, www.freetoolpark.com/tools/convert/gal-to-l. Accessed April 14, 2026.

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