How kWh electricity costs work
A kilowatt-hour is the energy used by a 1 kW appliance running for one hour. Cost equals kWh multiplied by your unit rate.
Energy & Home Calculators
Electricity Cost Calculator per kWh
Use this page to estimate the cost of electricity usage from kWh and your unit rate.
Main calculator
Electricity Cost Calculator
Calculate the running cost of any electrical appliance per hour, day, month and year
Frequently asked questions
Does this include standing charge?
Appliance running cost calculations usually use unit rate only. Full bill calculations also include standing charges.