Convert Kilometers per Imperial Gallon to Liters per 100 Kilometers
Convert Kilometers per Imperial Gallon (km/Imp gal) to Liters per 100 Kilometers (L/100km) instantly and accurately.
Conversion Formula
L/100km = 454.609 ÷ km/Imp gal
About Kilometers per Imperial Gallon
Kilometers per Imperial gallon (km/Imp gal) combines metric distances with the British Imperial gallon (4.54609 L). 1 km/Imp gal = 1/4.54609 km/L = 0.21997 km/L. A typical mid-size car at 12.75 km/L = 57.96 km/Imp gal. It appears in pre-1970s Australian road transport regulations, some South African vehicle import documentation, and pre-1979 Canadian fuel efficiency standards. Relationship to mpg(Imp): km/Imp gal = mpg(Imp) / 1.609344, so 50 mpg(Imp) = 31.07 km/Imp gal. 1 km/Imp gal = 0.21997 km/L.
About Liters per 100 Kilometers
Liters per 100 kilometers (L/100km) is the standard fuel consumption unit of the EU, China, Australia, and most of the world. Lower values mean greater efficiency: 5 L/100km is exactly twice as efficient as 10 L/100km. EU WLTP certification requires reporting in L/100km; CO₂ in g/km ≈ L/100km × 23.9 (petrol) or × 26.5 (diesel). Benchmarks: European average new car (2024 WLTP) ~6.5 L/100km; compact SUV 8-11; articulated truck 28-35; M1 Abrams tank ~130. 1 L/100km = 235.215/mpg(US) = 282.481/mpg(Imp).
Quick Reference Table
| Kilometers per Imperial Gallon (km/Imp gal) | Liters per 100 Kilometers (L/100km) |
|---|---|
| 1 km/Imp gal | 454.609 L/100km |
| 2 km/Imp gal | 227.305 L/100km |
| 5 km/Imp gal | 90.9218 L/100km |
| 10 km/Imp gal | 45.4609 L/100km |
| 25 km/Imp gal | 18.1844 L/100km |
| 50 km/Imp gal | 9.09218 L/100km |
| 100 km/Imp gal | 4.54609 L/100km |