This co2 per km reference table shows the co₂ per km for a range of fuel efficiency values, assuming a co₂ per litre of fuel of 2.31 kg/l. Every figure is computed with the same engine that powers our CO2 Per km Calculator, so the numbers are exact.
| Fuel efficiency | CO₂ per km | In kg per km |
|---|---|---|
| 3.8 km/l | 607.9 | 0.6079 |
| 7.5 km/l | 308.0 | 0.3080 |
| 11 km/l | 210.0 | 0.2100 |
| 15 km/l | 154.0 | 0.1540 |
| 23 km/l | 100.4 | 0.1004 |
| 30 km/l | 77.0 | 0.0770 |
| 45 km/l | 51.3 | 0.0513 |
| 75 km/l | 30.8 | 0.0308 |
| 110 km/l | 21.0 | 0.0210 |
| 150 km/l | 15.4 | 0.0154 |
How to use this table
Find the row closest to your fuel efficiency and read across to the co₂ per km. For a value between two rows, the real figure sits between them — or enter your exact numbers in the CO2 Per km Calculator for a precise answer.
Need a value that is not in the table? — the CO2 Per km Calculator does it instantly, for free, with the formula and a worked example built in.
Related calculators
Continue exploring automotive calculators with these tools: Engine Displacement Calculator, Compression Ratio Calculator, Horsepower to Torque Calculator, Gear Ratio Calculator, Tire Size Calculator.