Guide
kWh cost calculator
This kWh cost calculator helps turn watts, hours, and electricity price into a daily, monthly, or yearly cost estimate. It is useful when a query is about kW, kWh, or what a device adds to the bill.
Short answer
If you already know the wattage, the next step is runtime and tariff. Use the calculator for a quick estimate, then compare with a dedicated appliance page if the load is important enough.