Example:
15 erg = 5.66509e-13 metric horsepower-hour
1 erg = 3.776727e-14 metric horsepower-hour | 1 metric horsepower-hour = 2.647796e+13 erg
Conversion Steps:
15 × (1e-7 / 2647795.5) = 5.66509e-13
