kWh Cost Calculator
Calculate electricity costs per kWh. Estimate appliance running costs and monthly electricity bills.
Understanding kilowatt-hour (kWh) costs helps you estimate electricity expenses and identify energy-saving opportunities. Calculate what your appliances cost to run.
Calculator
W
$/kWh
Monthly Cost
$0.00
Daily Cost
$0.00
Annual Cost
$0.00
Monthly kWh Usage
0.0 kWh
Common use cases
- Appliance cost comparison
- Energy efficiency analysis
- Bill verification
- Solar sizing
How to use
- Enter appliance wattage (check label)
- Input daily hours of use
- Add your electricity rate per kWh
- View running costs
FAQ
Where do I find appliance wattage?
Check the label on the appliance or in the manual. Common examples: TV (100W), AC (2000W), fridge (100W average).
What's a typical electricity rate?
Rates vary by location and provider. In the US, average is $0.12-0.30/kWh. Check your bill for exact rate.
Why is my bill higher than calculated?
Don't forget standby power, seasonal variations, and other appliances. Bills also include fixed charges.
This calculator provides illustrative estimates for planning purposes only and does not constitute financial, tax, or legal advice.