Example:
15 n.mile/L = 2.779867e-11 Pm/L
1 n.mile/L = 1.853245e-12 Pm/L | 1 Pm/L = 5.395941e+11 n.mile/L
Conversion Steps:
15 × (1853.24496 / 1e+15) = 2.779867e-11