Current Speed 4 mph4.5 mph5 mph5.5 mph6 mph6.5 mph7 mph7.5 mph8 mph8.5 mph9 mph9.5 mph10 mph Hourly Rate How many hrs per day do you mow? How many days per week do you mow? How many weeks per year do you mow?        Mowing 1 mph faster with IS 5 mph  Your increase in productivity would be 20%  Your daily revenue would increase $136.00  Your annual revenue would increase $20,400.00      Mowing 2 mph faster with IS 6 mph  Your increase in productivity would be 33.33%  Your daily revenue would increase $226.64  Your annual revenue would increase $33,996.60