Appliance Wattage Calculator

Your details

Pick a common appliance to prefill its typical wattage, or choose Custom to enter your own.
The wattage printed on the appliance label, plug, or manual. For appliances measured in kilowatts, multiply by 1,000.
W
Average number of hours you run this appliance each day.
h/day
How many days per week the appliance is used. Use 7 for always-on appliances like refrigerators.
days
Your local rate per kilowatt-hour, found on your electricity bill. The US average is around $0.16/kWh.
$/kWh
Daily costHigh cost
0.96USD

What this appliance costs per day on average

Monthly cost29.22USD
Annual cost350.64USD
Daily energy use6kWh/day
Monthly energy use182.63kWh/mo
Annual energy use2,191.5kWh/yr
Cost per hour0.24USD/hr
Hours used per month121.8h/mo
Daily ($)0.96
Monthly ($)29.22
Annual ($)350.64

Annual electricity cost: $350.64

  • Running space heater costs approximately $0.960 per day and $29.22 per month.
  • Over a year it uses 2192 kWh, equivalent to $350.64 on your electricity bill.
  • Reducing daily usage by even one hour can meaningfully lower your bill. Consider a smart plug timer or programmable thermostat.
  • At your rate of $0.160/kWh, every 100 watts of continuous power costs about $11.69/month.

Next stepCompare this against similar appliances in your home. Add wattages for all major appliances to estimate your total household electricity bill.

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