Enter your weight in pounds: Enter number of minutes: Activity: Aerobics: low impact Aerobics: high impact Aerobics: water Aerobics, Step: low impact Aerobics, Step: high impact Bicycling, Stationery: moderate Bicycling, Stationary: vigorous Calisthenics: pushups, situps, vigorous Circuit Training: general Rowing, Stationary: light Rowing, Stationary: moderate Rowing, Stationary: vigorous Ski Machine: general Stair Step Machine: general Stretching, yoga Weight Lifting: general Weight Lifting: vigorous Press the button when you're ready: Your result: calories burned