Device Energy Cost Calculator
See how much electricity a device, gateway or smart-home setup uses and what it costs.
kWh per day = watts × hours per day × quantity ÷ 1000. Cost = kWh × tariff per kWh, projected over a day, month (30 days) and year (365 days).
Results are estimates for planning and learning. Check important numbers against your own data and a qualified professional. Everything is calculated in your browser; nothing you enter is sent anywhere.