Gallons (US) to Liters converter
Free online gallons (us) to liters converter. Convert gal to l instantly in your browser. 100% client-side, no uploads, no account required.
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Formula
Liters = Gallons (US) × conversion factor
See also
Frequently asked questions
How do I convert gallons (us) to liters?
Use the calculator on this page. Enter any value in gallons (us) and the equivalent in liters is computed instantly. The conversion uses the exact factor: 1 GAL = L × factor. The full formula is shown in the "Formula" section above.
Is the gallons (us) to liters conversion exact?
Yes, the conversion is computed with full floating-point precision and rounded to 10 significant digits by default. All math runs in your browser — your input is never uploaded, never stored, and never logged. The result is reproducible and matches standard reference values.
Can I convert in batch?
Yes. The Unit Converter on this site has a batch mode: paste one value per line and click "Convert Batch" to get every result in one go. The batch output is plain text you can copy.