You can use this formula to estimate an appliance's use:
Volts x Amps = Wattage (Watts)
100 Watts x 10 Hours ÷ 1000 = 1 kWh
Wattage (Watts) × Hours Used Per Day ÷ 1000 = Daily Kilowatt-hour (kWh) consumption
One 100 watt bulb on for ten hours = 1000 watt hours ÷ 1000 = 1 kWh
Appliance & Typical Wattage
Aquarium 10-50 gal (80-250 watts)
AIR CONDITIONING:
Window Unit, 9000 Btu/hr
Central System, 24,000 Btu/hr
AIR COMPRESSOR:
1/2 H.P - 500 watts
1 H.P - 1000 watts
3 H.P - 3000 watts
Air Purifier - 120 watts
Baby Food Warmer - 165 Watts
Blender - 385 Watts
Broiler (portable) - 1140 watts
Bug Zapper - 40 watts
Can Opener - 100 watts
Carving Knife - 95 watts
Clock (electric) - 2.5 watts
Clothes Dryer - 5000 watts
Clothes Washer - 1200 watts
Energy to heat water @ 30 loads - various temperatures
Coffee Maker - 900-1200 watts
COMPUTER:
Computer and Monitor - 100-300 Watts
Laptop - 70 watts
Printer (printing) - 600 watts
Router - 7 watts
Corn Popper - 575 watts
Curling Iron - 40 watts
Deep Fat Fryer - 1200 watts
DEHUMIDIFIER:
20 Pint - 480 watts
40 Pint - 625 watts
65 Pint - 790 watts
Dehydrator - 700 watts
Dishwasher - 1200 watts
Hot Water for 30 loads
Disposer - 445 watts
Electronic Cleaner - 50 watts
Egg Cooker - 550 watts
ELECTRIC BLANKET:
Single - 60 watts
Double - 100 watts
Average Use
Average Monthly kWh
Use
Everyday
58-180
8 hrs per day
8 hrs per day
634 kWh
1690 kWh
20 hrs per month
20 hrs per month
20 hrs per month
10 hrs per day
3 times per day
6 times per week
2 times per week
2 hrs per day
3 uses per day
2 times per week
Everyday
4 hrs per week
4 loads per week
Once per day
10 kWh
20 kWh
60 kWh
36 kWh
3 kWh
.1 kWh
7 kWh
2.5 kWh
.03 kWh
1 kWh
2 kWh
87 kWh
20 kWh
200 kWh
27-36 kWh
4-8 hrs per day
4-8 hrs per day
3 hrs per month
4-8 hrs per day
2 times per week
Once per day
3 times per month
12 -72 kWh
8 - 17 kWh
2 kWh
1 - 2 kWh
1 kWh
.3 kWh
2 kWh
12 hrs per day
12 hrs per day
12 hrs per day
24 hrs
30 loads per month
Everyday
Everyday
5 times per week
173 kWh
225 kWh
284 kWh
17 kWh
30 kWh
100-300 kWh
3 kWh
18 kWh
1 kWh
8 hrs per day
8 hrs per day
14.5 kWh
24 kWh
Queen - 140 watts
King - 200 watts
Electric Fence - 10 watts
Electric Frying Pan - 1500 watts
FANS:
Attic - 500 watts
Ceiling w/o lights - 50 watts
Ceiling with 3 - 60 watt bulbs
Furnace or Central Air - 270 watts
Portable - 115 watts
Window - 200 watts
Fax Machine - 10 watts
Floor Polisher - 305 watts
Fondue/Chaffing Dish - 800 watts
FREEZER:
Chest/Upright - manual/auto defrost 15-17 cubic foot
Chest, manual/auto defrost - 8-16 cubic ft (Energy Star) *
Upright, manual/auto defrost free 15-22 cubic ft (Energy Star) *
Garage Door Opener - 1/3 HP
Griddle - 1200 watts
HAIR DRYERS:
Hair Setter/Curler - 350 watts
Hand held (Blow dryer) - 750 watts
Hand held (Blow dryer) - 1500 watts
Soft bonnet - 400 watts
HEATING:
Air Source Heat Pump (14.5 SEER 2.5 tons) 2000 watts
Baseboard 4 ft - 1000 watts (250 watts per foot)
Eden Pure Model US 1000 - 1500 watts
Eden Pure Model 500 - 900 watts
Portable Heater - 1500 watts
Head Bolt Heaters - 500-800 watts
Heat Lamp - 250 watts
Heating Cable (Roof - 60 ft) - 500 watts
Heat tape - 125 watts per 15 ft
Heating Pad - 60 watts
HOT TUB:
4 Person,Insulated, 120 volt heater - 1500 watts
4 Person,Insulated, 120 volt heater, filter pump, jets - 3500 watts
4 Person,Insulated, 240 volt heater - 6000 watts
4 Person,Insulated, 240 volt heater, filter pump, jets - 8000 watts
Filter Pump - 500 watts
Jets - 1500 watts
Humidifier (Cool Mist) - 200 watts
Humidifier (Warm Mist) - 384 watts
Ice Cream Freezer - 130 watts
Ice Crusher - 100 watts
Iron - 1100 watts
Juicer - 90 watts
Knife Sharpener - 40 watts
LIGHTING:
60 watt bulb
8 hrs per day
8 hrs per day
24 hrs per day
10 hrs per month
34 kWh
48 kWh
7 kWh
15 kWh
8 hrs per day
8 hrs per day
8 hrs per day
8 hrs per day
8 hrs per day
2 hrs per day
Everyday
4 hrs per month
Once per month
120 kWh
12 kWh
55 kWh
65 kWh
28 kWh
14-29 kWh
7 kWh
1 kWh
.4 kWh
Everyday
Everyday
Everyday
4 times per day
2 times per week
60 - 216 kwh
200 - 400 kWh p/year
380 - 769 kWh p/year
.3 kWh
4 kWh
3 times per week
10 mins per day
10 mins per day
2 times per week
1 kWh
4 kWh
7.50 kWh
3-4 kWh
8 hrs per day
8 hrs per day
8 hrs per day
8 hrs per day
6 hrs per day
8 hrs per day
Everyday
1 hr per day
Everyday
5 times per month
480 kWh
240 kWh
360 kWh
216 kWh
270 kWh
120-192 kWh
180 kWh
15 kWh
90 kWh
.3 kWh
4 hrs per day
2 hrs per day
4 hrs per day
2 hrs per day
2 hrs per day
2 hrs per day
6 hrs per day
6 hrs per day
Once per month
2 times per week
2 hrs per week
Once per day
Once per week
180 kWh
210 kWh
720 kWh
480 kWh
30 kWh
90 kWh
36 kWh
69 kWh
.1 kWh
.04 kWh
9.5 kWh
.05 kWh
.01 kWh
8 hrs per day
14 kWh
75 watt bulb
100 watt bulb
CFL - 18 watt
CFL - 23 watt
Chandelier 5 - 40 watt bulbs
Christmas Lights - 100 Large Bulbs - 70 watts
Christmas Lights - 100 Small Bulbs - 50 watts
Christmas Lights - 100 LED Mini Bulbs - 8 watts
Fluorescent (2 bulb) - 100 watts
Halogen - 90 watts
Make-up Mirror - 20 watts
MEDICAL EQUIPMENT:
Nebulizer - 1035 watts
Oxygen Concentrator - 460 watts
MIXER:
Hand, 80 watts
Stand, 150 watts
PHONE:
Answer Machine - 10 watts
Cordless (1.9-5.8 GHZ) - 1-3 watts
Cell Phone Charger - 3.5 watts
Radio
RANGE/OVEN:
12,200 watts (for family of 3)
Microwave Oven - 1500 watts
Portable Roaster - 1425 watts
Self-cleaning process
Toaster & broiler/oven
REFRIGERATOR:
14 cu ft (Frost Free) - 383 watts
14 cu ft (Manual) - 226 watts
17 cu ft (Frost Free) - 463 watts
21 cu ft (Frost Free) - 572 watts
20 cu in/side by side/Frost free
REFRIGERATOR/FREEZER:
21 cu ft (Side by Side) - 783 watts
24 cu ft (Frost Free) - 653 watts
25 cu ft (Side by Side) - 841 watts
Septic Pump - 1000 watts
Sewing Machine - 75 watts
Shaver - 15 watts
Shaving Cream Dispenser - 60 watts
Slow Cooker - 200 watts
Stereo/Hi-fi - 109 watts
Stock Tank Heater - 300-1500 watts
Sump Pump - 500 watts
Sun Lamp - 290 watts
TELEVISION:
Color Television (13 - 27 inch) - 60 - 125 watts
Color Television (32 - 43 inch) - 130 -200 watts
Color Television (60 inch) - 240 watts
Television Flat Screen (32 inch) - 120
8 hrs per day
8 hrs per day
8 hrs per day
8 hrs per day
8 hrs per day
5 hrs per day
5 hrs per day
5 hrs per day
8 hrs per day
8 hrs per day
Once per day
18 kWh
24 kWh
4 kWh
6 kWh
48 kWh
10 kWh
8 kWh
1 kWh
24 kWh
22 kWh
.1 kWh
1 1/2 hrs per day
Everyday
47 kWh
331 kWh
3 times per week
2 times per week
.1 kWh
.2 kWh
Everyday
Everyday
2 hrs per week
2 hrs per day
7 kWh
1-2.5 kWh
.05 kWh
2 - 8 kWh
1 hr Everyday
Each day
6 hrs per month
Each Use
Once/Twice per day
366 kWh
16-40 kWh
257 kWh
5 kWh
4-12 kW
Everyday
Everyday
Everyday
Everyday
Everyday
90 -160 kWh
80 -100 kWh
110 -152 kWh
121 - 136 kWh
160-200 kWh
Everyday
Everyday
Everyday
40 hrs per month
4 hrs per week
Once per day
Everyday
2 times per month
2 hrs per day
Everyday
20 hrs per month
10 minutes per day
185 - 200 kWh
150 - 175 kWh
190 - 210 kWh
40 kWh
1 kWh
.05 kWh
.03 kWh
3 kWh
9 kWh
216-1080 kW
10 kWh
1 kWh
4 hrs per day
4 hrs per day
4 hrs per day
4 hrs per day
7 - 15 kWh
16 - 20 kWh
29 kWh
14 kWh
Television LCD (32 inch) - 125
Television (Plasma 42-50 inch) - 375 watts
TELEVISION DEVISES:
Cable Converter Box - 35 watts
Direct TV HR20 DVR - 33 watts
DVD Player - 60 watts
DVD/VCR Combination - 120 watts
Home Theater Receiver - 100 watts
Play Station 3 - 197 watts
Play Station 3 slim - 96 watts
VCR Player - 45 watts
TiVO - 30 watts
X Box 360 - 187 watts
WII Nintendo Console - 18 watts
TOOLS:
Arc Welder - 5000 watts
Bench Grinder - 600 watts
Circular Saw - 1000 watts
Drill - 400 watts
Saber Saw - 400 watts
Sander Belt - 300 watts
Soldering Gun - 600 watts
Table Saw - 3000 watts
Toaster - 1000 watts
Toothbrush . 1.1 watts
Trash Compactor - 400 watts
Vacuum Cleaner (central) - 800 watts
Vacuum Cleaner (regular) - 1440 watts
Vaporizer - 750 watts
Waffle Iron - 1200 watts
Warming Drawer - 450 - 850 watts
Warming Tray - 140 watts
Water Bed Double (heating 80-100 deg. Running 75% of time)- 375 watts
Water Bed Queen (heating 80-100 deg. Running 75% of time)- 375 watts
Water Bed King (heating 80-100 deg. Running 75% of time)- 375 watts
Water Heater - general use for family of 4
Well pump - 1000 watts (1 HP = 741 watts (approx))
Whirlpool Tub - 1800 watts
4 hrs per day
4 hrs per day
15 kWh
45 kWh
Everyday
6 hrs per day
4 hrs per day
4 hrs per day
3 hrs per day
1 hr per day
1 hr each
1 hr per day
12 hrs per day
1 hr each day
1 hr each day
25 kWh
6 kWh
7 kWh
14 kWh
9 kWh
6 kWh
3 kWh
1 kWh
11 kWh
6 kWh
1 kWh
5 hrs per month
5 hrs per month
5 hrs per month
5 hrs per month
5 hrs per month
5 hrs per month
5 hrs per month
5 hrs per month
Everyday
Everyday
1/2 hr per day
10 hrs per month
10 hrs per month
6 hrs per day
Once per week
1 hr per day
2 times per month
24 hrs per day
24 hrs per day
24 hrs per day
350 gal per person
Everyday
15 hrs per month
25 kWh
3 kWh
5 kWh
2 kWh
2 kWh
1.5 kWh
3 kWh
15 kWh
60 kWh
1 kWh
4 kWh
8 kWh
15 kWh
135 kWh
2 kWh
14 - 26 kWh
1 kWh
100 - 200 kWh
116 235 kWh
224 - 270 kWh
350 kWh
75-130 kWh
27 kWh
Revised 8/16/2010