#### Energy cost calculator

Energy consumed per day: kWh/day: 1 kilowatthour (kWh ... The energy E in kilowatthours (kWh) per day is equal to the power P in watts (W) times number of usage hours per day t divided by ... in dollars is equal to the energy consumption E in kWh per day times the energy cost of 1 kWh in cents/kWh divided by 100 cents per dollar: Cost (/day) = E