Electricity Cost Calculator

Calculate appliance running costs

How to Use

1

Enter wattage

Input the appliance power rating in watts (check the label).

2

Set usage time

Enter hours per day and days per month of use.

3

Enter electricity rate

Input your rate in $/kWh (check your utility bill).

4

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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