DIRECTIONS - 5 Easy Steps:
(1) Click 'CLEAR / RESET' for an all new calculation.
(2) Enter LED equivalent wattage for 100w incandescent bulb (optional).
Note: If needed, the 6 listed wattages are changeable.
(3) Enter number of INCANDESCENT light bulbs for each wattage.
(4) Enter average number of hours per week for EACH light-bulb in group.
(5) Click 'CALCULATE'.