Electricity Cost Calculator
Calculate how much electricity your appliances use and estimate your power bill.
Appliance Details
US average: $0.12/kWh | Check your bill for exact rate
Quick Select Common Appliances
Monthly Cost
$2.88
24.00 kWh per month
Cost Breakdown
Daily
0.80 kWh
$0.10
Monthly
24.00 kWh
$2.88
Yearly
288.00 kWh
$34.56
⚡
100W
Power Draw
🕐
240h
Monthly Hours
💡 Energy Saving Tips
- • Switch to LED bulbs (10W vs 60W incandescent)
- • Unplug devices when not in use
- • Use power strips to cut phantom loads
- • Run appliances during off-peak hours
- • Upgrade to ENERGY STAR appliances
Common Appliance Wattages
LED Light Bulb
10 watts
Refrigerator
150 watts
Air Conditioner
1500 watts
Space Heater
1500 watts
Washing Machine
500 watts
Dryer
3000 watts
Dishwasher
1800 watts
Microwave
1000 watts
Television
100 watts
Computer
200 watts
Gaming Console
150 watts
Hair Dryer
1500 watts
How to Calculate Electricity Cost
Formula: Cost = (Watts × Hours × Days) ÷ 1000 × Rate per kWh
kWh (kilowatt-hour) is the standard unit for measuring electrical energy consumption. 1 kWh = using 1,000 watts for 1 hour.
Find your electricity rate on your utility bill, typically shown as cost per kWh. The US average is around $0.12/kWh but varies significantly by region.