Appliance Electricity Cost Calculator
Calculate how much it costs to run a specific appliance.
Enter wattage, hours used, and electricity rate to see daily and monthly costs.
Appliance Running Cost
Electricity cost for an appliance is calculated from its power consumption, usage time, and your electricity rate.
Formula:
kWh per Day = Wattage × Hours per Day / 1,000
Daily Cost = kWh per Day × Rate per kWh
Monthly Cost = Daily Cost × 30
Annual Cost = Daily Cost × 365
Common appliance wattages:
| Appliance | Typical Wattage |
|---|---|
| LED light bulb | 10 W |
| Laptop | 50 W |
| Desktop computer | 200 W |
| Television (LED) | 100 W |
| Refrigerator | 150 W |
| Window AC unit | 1,200 W |
| Central AC | 3,500 W |
| Space heater | 1,500 W |
| Washing machine | 500 W |
| Clothes dryer | 3,000 W |
| Microwave | 1,000 W |
| Hair dryer | 1,800 W |
| Dishwasher | 1,800 W |
Average electricity rates:
- United States: $0.12-0.16/kWh
- United Kingdom: £0.28-0.34/kWh
- European Union: €0.20-0.30/kWh
- Australia: A$0.25-0.35/kWh