Electricity Cost Calculator

Find out what an appliance actually costs to run. Enter its wattage, how many hours a day you use it, and your electricity rate per kWh. See the energy used and the daily, monthly and yearly cost.

Tool Features

• Compute energy use in kWh per day, month and year
• Show running cost at your own rate
• Works for AC, heater, fridge, dryer, PC and more
• Instant comparison of two appliances
• No registration or software installation

Common Usage

• See what an AC or heater costs per month
• Decide whether an old fridge is worth replacing
• Estimate a new appliance's energy cost
• Find the biggest power draws in your home