燃油效率(体积)是传播的距离与所消耗的燃料量的比率,通常以每升公里(km/L)测量。
1 km/gal = 3,785.413 mL/km 
1 mL/km = 0 km/gal 
例子: 
将15 每加仑公里转换为每公里的毫升:
15 km/gal = 56,781.188 mL/km 
| 每加仑公里 | 每公里的毫升 | 
|---|---|
| 0.01 km/gal | 37.854 mL/km | 
| 0.1 km/gal | 378.541 mL/km | 
| 1 km/gal | 3,785.413 mL/km | 
| 2 km/gal | 7,570.825 mL/km | 
| 3 km/gal | 11,356.238 mL/km | 
| 5 km/gal | 18,927.063 mL/km | 
| 10 km/gal | 37,854.125 mL/km | 
| 20 km/gal | 75,708.251 mL/km | 
| 30 km/gal | 113,562.376 mL/km | 
| 40 km/gal | 151,416.501 mL/km | 
| 50 km/gal | 189,270.627 mL/km | 
| 60 km/gal | 227,124.752 mL/km | 
| 70 km/gal | 264,978.877 mL/km | 
| 80 km/gal | 302,833.003 mL/km | 
| 90 km/gal | 340,687.128 mL/km | 
| 100 km/gal | 378,541.253 mL/km | 
| 250 km/gal | 946,353.134 mL/km | 
| 500 km/gal | 1,892,706.267 mL/km | 
| 750 km/gal | 2,839,059.401 mL/km | 
| 1000 km/gal | 3,785,412.534 mL/km | 
| 10000 km/gal | 37,854,125.343 mL/km | 
| 100000 km/gal | 378,541,253.426 mL/km |