Direct conversion
Convert liter per kilometer [L/km] to gallon (US) per 100 miles [gal/100 mi US] instantly with formula, examples, chart, and FAQs.
Quick answer
Use the calculator below for any custom value, then check the formula, examples, chart, and reverse conversion links.
Fuel economy uses reciprocal conversion: 1 liter per kilometer [L/km] = 42.514371 gallon (US) per 100 miles [gal/100 mi US]. Enter any value for the exact reciprocal result.
Fuel economy uses reciprocal conversion: 1 liter per kilometer [L/km] = 42.514371 gallon (US) per 100 miles [gal/100 mi US]. Enter any value for the exact reciprocal result.
Example: 1 liter per kilometer [L/km] equals 42.514371 gallon (US) per 100 miles [gal/100 mi US].
Fuel consumption conversions use liter per 100 kilometers as the reference unit. Economy units such as mpg and km/L use reciprocal formulas.
Displayed results are rounded for readability. The calculator keeps enough precision for everyday use and switches to scientific notation for very large or very small values. Last reviewed: 2026-05-21.
The liter per kilometer (L/km) is a fuel consumption unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse liter per kilometer when comparing fuel consumption values, checking specifications, converting between systems, or preparing quick estimates.
The gallon (US) per 100 miles (gal/100 mi US) is a fuel consumption unit used to express measurements in this converter.
HistoryThis unit is included because it appears in practical measurement systems, technical references, product specifications, or everyday conversion needs.
Current useUse gallon (US) per 100 miles when comparing fuel consumption values, checking specifications, converting between systems, or preparing quick estimates.
| liter per kilometer [L/km] | gallon (US) per 100 miles [gal/100 mi US] |
|---|---|
| 1 | 42.514371 |
| 2 | 85.028742 |
| 5 | 212.571854 |
| 10 | 425.143708 |
| 15 | 637.715562 |
| 20 | 850.287416 |
| 25 | 1062.85927 |
| 30 | 1275.431124 |
| 40 | 1700.574832 |
Use this formula: Fuel economy uses reciprocal conversion: 1 liter per kilometer [L/km] = 42.514371 gallon (US) per 100 miles [gal/100 mi US]. Enter any value for the exact reciprocal result. Enter your value in the calculator and the result updates instantly.
1 liter per kilometer [L/km] equals 42.514371 gallon (US) per 100 miles [gal/100 mi US].
Yes. Use the swap button in the calculator or open the related reverse conversion link when it is listed on this page.