MPG to L/100km Converter
Convert US MPG to liters per 100 km instantly — L/100km = 235.215 ÷ mpg, so 30 mpg = 7.84 L/100km. Fuel economy both directions.
About the MPG to L/100km Converter
This free MPG to L/100km converter uses L/100km = 235.215 ÷ mpg with US gallons. Since the two units are reciprocal measures of the same thing, one formula handles both directions — edit whichever field you know.
Use it to translate American car reviews and EPA window-sticker figures into the consumption format used across Europe, Australia and by importers in Pakistan. A 35 mpg compact uses 6.72 L/100km; a 20 mpg pickup burns 11.76 L/100km. Because the relationship is inverse, gains at the thirsty end matter more: going from 15 to 20 mpg saves more fuel than going from 40 to 50 mpg.
The table spans 15–60 mpg, from full-size trucks to plug-in hybrids.
How to Use the MPG to L/100km Converter
- 1Enter fuel economy in US mpg — L/100km appears instantly.
- 2Or type L/100km to convert back to mpg.
- 3Copy the result, or compare vehicles in the reference table.
Frequently Asked Questions
How many L/100km is 30 mpg?
30 US mpg equals 7.84 L/100km (235.215 ÷ 30). Nearby values: 25 mpg = 9.41 L/100km, 35 mpg = 6.72 L/100km and 40 mpg = 5.88 L/100km.
Is higher mpg better or worse in L/100km?
Higher mpg means lower L/100km — both indicate better efficiency. A 50 mpg hybrid uses just 4.70 L/100km, while a 15 mpg truck consumes 15.68 L/100km, more than three times the fuel per kilometer.
What is 235.215 in the formula?
It is 100 × 3.785411784 ÷ 1.609344 — combining the liters in a US gallon and the kilometers in a mile with the per-100 km basis. Dividing it by either unit yields the other, which is why the conversion is its own inverse.
How does UK mpg differ?
UK (imperial) gallons are 4.546 L versus 3.785 L for US gallons, so the UK constant is 282.481. A car rated 40 US mpg (5.88 L/100km) would be about 48 UK mpg — same car, bigger-sounding number.
What is 30 mpg in km per liter?
30 US mpg is 12.75 km/L (multiply mpg by 0.4251). Pakistani drivers often quote km/L: 10 km/L equals 23.5 mpg or 10 L/100km, and 15 km/L equals 35.3 mpg or 6.67 L/100km.