Electricity Cost Calculator
Calculate appliance running costs
How to Use
Enter wattage
Input the appliance power rating in watts (check the label).
Set usage time
Enter hours per day and days per month of use.
Enter electricity rate
Input your rate in $/kWh (check your utility bill).
View costs
See hourly, daily, monthly, and yearly electricity costs.
Frequently Asked Questions
How do I find my electricity rate?
Check your utility bill for the kWh rate. US average is about $0.12-0.15/kWh, varying by state.
What is a kilowatt-hour (kWh)?
A kWh is 1,000 watts used for one hour. A 100W bulb on for 10 hours = 1 kWh.
Which appliances use the most electricity?
HVAC, water heaters, dryers, and refrigerators are typically the biggest electricity users in homes.
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