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✦ Free Online Tool
FREE ELECTRICITY COST CALCULATOR
Calculate electricity cost for any appliance. Enter watts, hours used and electricity rate. Free electricity cost calculator, no signup.
Check the label on your device
Check your electricity bill
Please enter watts, hours and rate.
Average Power Consumption
- LED bulb — 10W
- Laptop — 45-65W
- Desktop PC — 200-400W
- TV (50 inch) — 100-200W
- Air conditioner — 1000-3500W
- Refrigerator — 150-400W
Frequently Asked Questions
Where do I find my electricity rate?+
Check your electricity bill. Rates are typically shown as cents or pence per kWh. Average US rate is about $0.13/kWh.
What is a kWh?+
Kilowatt-hour. A 1000W device running for 1 hour uses 1 kWh.
Can I calculate for multiple devices?+
Calculate each device separately and add the daily costs together.
Is it free?+
Yes, 100% free, no signup.