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Gallons (US) to Liters Converter

Convert Gallons (US) (gal) to Liters (L) instantly. Free online volume converter with formula, examples, and common reference values.

Last Updated: May 2026
0.000621

Here's your answer

Conversion Summary

1 Meters = 0.000621 Miles

How to Convert Gallons (US) to Liters

To convert from Gallons (US) (gal) to Liters (L), apply the following formula:

L = gal × 3.78541

Example: 5 gal = 18.927 L

Quick Reference Table

Common gallons (us) to liters conversions:

Gallons (US) (gal)Liters (L)
1 gal18.927 L
2 gal37.854 L
5 gal94.635 L
10 gal189.27 L
25 gal473.175 L
50 gal946.35 L
100 gal1892.7 L
250 gal4731.75 L
500 gal9463.5 L
1000 gal18927 L

Use our converter above for precise values at any input.

About Gallons (US) and Liters

Gallons (US) (gal) and Liters (L) are both volume units used in different measurement systems around the world. Our free converter lets you convert any value between them instantly without needing to remember the conversion factor.

Frequently Asked Questions

How do I convert Gallons (US) to Liters?

To convert Gallons (US) to Liters, use the formula: L = gal × 3.78541. For example: 5 gal = 18.927 L.

How many Liters are in 1 gal?

The exact conversion factor from Gallons (US) to Liters is defined by the formula: L = gal × 3.78541. Use our converter above to get instant results for any value.

Is this gallons (us) to liters conversion exact?

Yes. Our converter uses the precise international conversion factor. All volume conversions are performed to full floating-point precision in your browser with no rounding errors.

Can I convert Liters back to Gallons (US)?

Yes — simply select the reverse direction in the Unit Converter, or use our dedicated reverse converter. You can also swap the units directly in the calculator above.

Does this converter work offline?

Once the page loads, all calculations are performed locally in your browser using JavaScript. No data is sent to our servers, so it works with or without an internet connection.

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