Example:
15 metric horsepower-hour = 9486.226354 calorie (nutritional)
1 metric horsepower-hour = 632.41509 calorie (nutritional) | 1 calorie (nutritional) = 0.001581 metric horsepower-hour
Conversion Steps:
15 × (2647795.5 / 4186.8) = 9486.226354256
