Power Bill Calculator
Estimate your monthly electricity cost based on your state's rates and the appliances you use. Select your state, check the appliances in your home, and see your estimated monthly and annual power costs.
Power Bill Calculator
Estimate your monthly electricity cost based on your state and the appliances you use.
Electronics (19 appliances)
Kitchen (14 appliances)
Lighting (5 appliances)
Cooling (9 appliances)
Laundry (4 appliances)
Heating (10 appliances)
Monthly Cost
$148.14
Annual Cost
$1777.63
Rate
15.06¢/kWh
vs National Avg
-$14.16/mo
Cost Breakdown by Category
Per-Appliance Costs
* Estimates based on average wattage and typical usage. Actual costs may vary based on your specific appliance models and usage patterns. Looking to reduce your power bill? Consider getting a home energy audit, comparing electricity provider rates, or exploring solar panel installation quotes for your area. Smart thermostats and energy-efficient appliances can also significantly lower your monthly costs.
How to Use This Calculator
- Select your state from the dropdown to use your local electricity rate.
- Check the appliances you use in your home. Each appliance has a typical wattage and daily usage hours.
- Add custom appliances by entering the wattage and hours per day for any devices not listed.
- View your estimated monthly and annual costs, broken down by appliance and category.
- Compare your costs to the national average to see if you're paying more or less.
Understanding Your Power Bill
Your electricity bill is determined by how much energy you use (measured in kilowatt-hours or kWh) and your utility's rate per kWh. The formula is: Monthly Cost = (Watts x Hours/Day x 30) / 1000 x Rate/kWh. Major factors that affect your bill include climate (heating and cooling needs), home size, insulation quality, appliance efficiency, and your electricity rate.
Tips to Lower Your Power Bill
- Compare electricity providers in deregulated states for better rates.
- Invest in a smart thermostat to optimize heating and cooling schedules.
- Upgrade to LED lighting throughout your home.
- Consider solar panel installation to offset grid electricity usage.
- Schedule a professional home energy audit to identify efficiency improvements.
- Use energy-efficient appliances with Energy Star certification.
Data verified March 2026 · Source: U.S. Energy Information Administration (EIA)