Example:
15 Pm/L = 5.678118e+13 kilometer per US gallon
1 Pm/L = 3.785412e+12 kilometer per US gallon | 1 kilometer per US gallon = 2.641721e-13 Pm/L
Conversion Steps:
15 × (1e+15 / 264.1720524) = 5.678118e+13