Appliance Running Cost
Calculate the electricity cost of running an appliance per day, month and year from its wattage and hours of use, free online.
About this calculator
Energy (kWh) = watts × hours ÷ 1000. Cost = kWh × price per kWh. Add the standby power for the hours the appliance is plugged in but idle. Check the appliance label for watts, or use a plug-in energy meter.