The best calculator for electricity consumption and cost in your house. You just have to set the following informations: - device power in Watts - daily use in hours - electricity cost Then the results will be instantly displayed and you will see: - daily consumption in kWh - cost by hour - cost by day - cost by month - cost by year An ideal application if you have electrical equipment and want to know how it cost, or if you want to buy an electrical device and calcul it consumption or cost.