Example:
15 Tm/L = 5.678118e+10 kilometer per US gallon
1 Tm/L = 3.785412e+9 kilometer per US gallon | 1 kilometer per US gallon = 2.641721e-10 Tm/L
Conversion Steps:
15 × (1e+12 / 264.1720524) = 5.678118e+10