Energy Calculator

Below you will find guides for energy use for small and large appliance calculations in the home. These are average usages and can vary from home to home. See Related Links for more energy websites.

SMALL APPLIANCES

Item	Average Wattage	Estimated Monthly kWh Usage	Estimated Monthly Cost to Operate
Automatic Blanket	200	15	$1.35
Clock	4	3	$0.27
Coffee Maker	850	8	$0.72
Computer (on 9 hours/day)	150	32	$2.88
Frying Pan	1200	15	$1.35
Hair Dryer	1250	3	$0.27
Iron	1100	12	$1.08
Radio	20	4	$0.36
Radio/Stereo	40	6	$0.54
Toaster	1100	4	$0.36

LARGE APPLIANCES

Item	Average Wattage	Estimated Monthly kWh Usage	Estimated Monthly Cost to Operate
Car Engine Heater	1000	1 kWh/hour of use	$0.0900/use
Clothes Dryer	4350	5 kWh/hour of use	$0.45/load
Dehumidifier (8.5 kWh/day if run continually)	300	200	$18.00
Dishwasher	1190	30 - 48	$2.70 - $4.32
Freezer, Standard / 12-15 cubic feet	350	100 - 190	$9.00 - $17.10
Freezer, Standard, Frost Free / 12-15 cubic feet	440	150 - 240	$13.50 - $21.60
Furnace, Gas or Oil / cold months	600	75	$6.75
Humidifier	80	20	$1.80
Lighting (varies widely)	1600 - 4000	75 - 150	$6.75 - $13.50
Microwave	1450	16	$1.44
Range	12,000	100 - 150	$9.00 - $13.50
Refrigerator, Manual Defrost / 12-14 cubic feet	265	40-75	$3.60 - $6.75
Refrigerator, Frost Free / 16 cubic feet	475	65-120	$5.85 - $10.80
Refrigerator, Frost Free / 20 cubic feet	540	80-180	$7.20 - $16.20
Television / Color - 4 hours per day	100 - 250	12-30	$1.08 - $2.70
Vacuum Cleaner	700	3	$0.27
Washing Machine / Automatic	600	8	$0.72
Water Bed Heater	300	100	$9.00
Water Heater	4500	400	$36.00
Water Pump	750 - 1000	40	$3.60