ExerciseBikeWhToKcal.java

package com.helospark.bike;

/**
 * Calculates the amount of calories & body fat burned from generated electric power in my exercise bike generator.
 * @author helospark
 */
public class ExerciseBikeWhToKcal {
    static final int wh = 95;

    public static void main(String[] args) {
        final double muscleEfficiency = 0.2;
        final double generatorEfficiency = 0.8;
        final double kcalToWh = 1.163;
        final double kcalPerKgOfFat = 7700;

        double caloriesBurned = wh * (1.0 / kcalToWh) * (1.0 / muscleEfficiency) * (1.0 / generatorEfficiency);
        double fatBurned = caloriesBurned / kcalPerKgOfFat;

        System.out.printf("%.1f kcal\n", caloriesBurned);
        System.out.printf("%.3f kg of fat burned\n", fatBurned);
    }

}