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Qalc AI
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Appliance Wattage Calculator
All misc tools
Estimate electricity usage and cost for your appliances.
Usage Profile
Wattage (W)
Hours Used Per Day
Cost Per kWh ($)
Common Wattages
Refrigerator
150W
Air Conditioner (Central)
3500W
Air Conditioner (Window)
1000W
Dishwasher
1800W
Oven (Electric)
3000W
Microwave
1000W
Washing Machine
500W
TV (LED)
100W
Desktop Computer
200W
Coffee Maker
1000W
Space Heater
1500W
Light Bulb (LED)
10W
Light Bulb (Incandescent)
60W
Energy Analysis
Monthly Usage (kWh)
60.8 kWh
Monthly Cost
$9.13
Daily Usage (kWh)
2.00 kWh
Annual Cost
$109.51
Usage Summary
Using a
1000W
appliance for
2
hours a day costs roughly
$9.13
per month.
About this calculator
Overview
Power consumption in kWh = (Wattage × Hours) / 1000. Multiply by your electricity rate for cost.
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Pro Tips
Check appliance labels or manuals for wattage.
Standby power adds up—unplug when not in use.
!
Fun Facts
Formula: kWh = (Watts × Hours) / 1000
