Electricity Cost Calculator
Calculate how much it costs to run any device or appliance. Enter the wattage, hours of use, and your electricity rate for instant results.
Frequently Asked Questions
How do I find the wattage of my appliance?
Check the label on the device (usually on the back or bottom), look in the owner's manual, or search for the model number online. Wattage is often listed as "W" or you can calculate it from volts x amps.
What is the average electricity rate in the US?
The US average residential electricity rate is approximately $0.14 per kWh, but rates vary significantly by state. Hawaii has the highest rates (~$0.35/kWh) while states like Louisiana and Idaho have the lowest (~$0.09/kWh).
Which appliances use the most electricity?
The biggest energy consumers in most homes are HVAC systems (heating/cooling), water heaters, clothes dryers, EV chargers, and pool pumps. Standby power from electronics can also add up to 5-10% of your bill.