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WattCost
.org
Free appliance electricity calculator
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Calculators
Appliances
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How much does your appliance
cost to run?
Enter wattage and usage. Get exact costs per hour, day, month, and year — at your electricity rate.
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Electricity Cost Calculator
Rate: $0.18/kWh ✎
Appliance
— select or enter wattage manually —
Space Heater (1500W)
Central Air Conditioner (3500W)
Portable Air Conditioner (1200W)
Heat Pump (3000W)
Dehumidifier (700W)
Ceiling Fan (60W)
Refrigerator (150W)
Chest Freezer (100W)
Dishwasher (1800W)
Microwave (1200W)
Coffee Maker (1000W)
Electric Oven (3500W)
Electric Clothes Dryer (5000W)
Washing Machine (500W)
Gaming PC (700W)
Laptop (45W)
LED Television (100W)
Desktop PC (150W)
Wi-Fi Router (10W)
Home Server / NAS (80W)
Pool Pump (1500W)
Hot Tub / Spa (4000W)
Electric Water Heater (4500W)
LED Light Bulb (10W)
Electric Blanket (100W)
Hair Dryer (1800W)
Aquarium Heater (100W)
Electric Vehicle Charger (7200W)
Battery / Power Bank Runtime (100W)
Portable Power Station (200W)
Solar Panel Output (400W)
Power
W
Daily usage
hrs/day
Common presets
750W
1000W
1500W
2250W
Per hour
$0.27
Per month
$32.40
Per year
$389
Cost by daily usage
Hours/day
Monthly
Yearly
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Appliance electricity cost reference — at your rate, typical hours/day
Appliance
Typical wattage
Monthly cost
Yearly cost
kWh/month