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Liters to US gallons (L to gal (US))
Convert liters to US gallons: 1 L = 0.264172 gal (US). Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.
Formula
1 L = 0.264172 gal (US)
US gallons = liters × 0.2641720524 — reverse: liters = US gallons × 3.785411784
The factor is derived from the SI definitions of both units (base unit: L) as listed in NIST SP 811; results on this page are shown to 6 significant figures, the API returns up to 12.
Worked examples
- 5 L = 1.32086 gal (US)
- 12.5 L = 3.30215 gal (US)
- 100 L = 26.4172 gal (US)
Liters to US gallons conversion table
| Liters (L) | US gallons (gal (US)) |
|---|---|
| 1 | 0.264172 |
| 2 | 0.528344 |
| 3 | 0.792516 |
| 4 | 1.05669 |
| 5 | 1.32086 |
| 6 | 1.58503 |
| 7 | 1.8492 |
| 8 | 2.11338 |
| 9 | 2.37755 |
| 10 | 2.64172 |
| 15 | 3.96258 |
| 20 | 5.28344 |
| 25 | 6.6043 |
| 30 | 7.92516 |
| 40 | 10.5669 |
| 50 | 13.2086 |
| 75 | 19.8129 |
| 100 | 26.4172 |
| 200 | 52.8344 |
| 250 | 66.043 |
| 500 | 132.086 |
| 1000 | 264.172 |
FAQ
How many US gallons are in one liter?
1 L = 0.264172 gal (US). The factor comes from the SI definitions of both units (NIST SP 811 / BIPM), so it is exact or correct to at least 10 significant figures.
What is the formula to convert liters to US gallons?
Multiply the value in liters by 0.2641720524: US gallons = liters × 0.2641720524. For example, 5 L = 1.32086 gal (US).
How do I convert US gallons back to liters?
Multiply by the inverse factor 3.785411784 (liters = US gallons × 3.785411784), or use the US gallons-to-liters page.
Related conversions
Machine access
- API:
GET https://tttkmbb.com/api/v1/convert?value=5&from_unit=L&to_unit=gal_us - MCP: server
https://tttkmbb.com/mcp, toolconvert_unitswith{"value":5,"from_unit":"L","to_unit":"gal_us"} - Markdown: https://tttkmbb.com/conversion/liters-to-gallons.md · JSON: https://tttkmbb.com/conversion/liters-to-gallons.json (add
?value=for a result) · Units: /api/v1/units?quantity=volume - OpenAPI operationId:
convert_units. Freshness:static. Authentication: none.