Appliance Running Cost Calculator
Enter an appliance wattage, daily usage hours, and electricity rate to get exact daily, monthly, and annual running costs.
Appliance Details
Found on the appliance label or in the manual.
Average hours per day the appliance is running.
Check your electricity bill. US average ~15 ¢/kWh.
Common appliance wattages
Appliance
Typical Watts
Click a row to prefill the wattage field.
Enter wattage, usage hours, and rate, then click Calculate.
Daily
per day
Monthly
per 30 days
Annual
per year
Energy consumption breakdown
Power draw
Daily energy
Monthly energy
Annual energy
Annual cost breakdown
Daily cost
Monthly cost
Annual cost
Estimate only. Actual costs depend on usage patterns, appliance efficiency, and your full utility bill (taxes, fees, etc.). Standby power is not included unless you enter standby wattage separately.
Summary
Enter an appliance wattage, daily usage hours, and electricity rate to get exact daily, monthly, and annual running costs.
How it works
- Enter the appliance wattage in watts (W) — check the label on the back of the device.
- Enter how many hours per day you use the appliance.
- Enter your local electricity rate in cents per kWh (check your utility bill).
- The calculator instantly shows daily, monthly (30-day), and annual (365-day) costs.
- Add multiple appliances to compare costs or estimate a total household bill.
Use cases
- Find out how much your air conditioner adds to the monthly electricity bill.
- Compare running costs of different refrigerator models before buying.
- Estimate the cost of leaving devices on standby 24/7.
- Calculate savings from switching to a more energy-efficient appliance.
- Budget household electricity expenses by appliance category.
- Decide whether to replace an old appliance based on its running cost.
Frequently Asked Questions
Last updated: 2026-07-01 ·
Reviewed by Nham Vu