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Power Consumption Chart
This chart is provided as an example as to how wattage varies between various electrical devices.
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| Item | Starting Wattage (W) | Running Wattage (W) |
|---|---|---|
| Circular Saw | 2400 | 1200 |
| Drill | 1800 | 720 |
| Edger | 2400 | 960 |
| Electric Chainsaw | 2400 | 1200 |
| Electric Lawn Mower | 4320 | 1440 |
| Electric Pressure Washer | 3600 | 1200 |
| Electric String Trimmer | 1500 | 600 |
| Jig Saw | 1800 | 720 |
| Miter Saw | 2100 | 840 |
| Orbital Sander | 1800 | 600 |
| Paint Sprayer | 1080 | 360 |
| Planer | 2400 | 960 |
| Router | 1500 | 600 |
| Water Pump | 3000 | 1000 |
| Wet/Dry Vacuum | 2500 | 888 |
| Winch | 5400 | 1800 |
| Furnace Fan, gas/fuel oil furnace | ||
| 1/8 horsepower (hp) | 500 | 300 |
| 1/6 horsepower (hp) | 750 | 500 |
| 1/4 horsepower (hp) | 1000 | 600 |
| 2/5 horsepower (hp) | 1400 | 700 |
| 3/5 horsepower (hp) | 2350 | 875 |
| Central Air Conditioner | ||
| 10,000 BTU | 2200 | 1500 |
| 20,000 BTU | 3300 | 2500 |
| 24,000 BTU | 4950 | 3800 |
| 32,000 BTU | 6500 | 5000 |
| 40,000 BTU | 6700 | 6000 |
| 1/4′ Drill | 300 | 300 |
| Jigsaw | 300 | 300 |
| Electric Weed Trimmer | 500 | 500 |
| Belt Sander | 1000 | 1000 |
| Disc Sander | 1200 | 1200 |
| Chain Saw | 1200 | 1200 |
| Worm Drive Saw | 3100 | 1560 |
| 12′ Concrete Cutter | 3600 | 1800 |
| 7 1/4′ Circular Saw | 3000 | 1500 |
| Disc Grinder | 4000 | 2000 |
| Air Compressor (Average) | 4000 | 2000 |
Standard Electrical Formulas Used for Power Consumption Calculations
| TO DETERMINE: | SINGLE-PHASE | THREE-PHASE | DIRECT CURRENT |
|---|---|---|---|
| KVA | I x E / 1000 | I x E x 1.73 / 1000 | — |
| Kilowatts | I x E x PF / 1000 | I x E x 1.73 x PF / 1000 | I x E / 1000 |
| Horsepower | I x E x %EFF x PF / 746 | I x E x 1.732 x %EFF x PF / 746 | I x E x %EFF / 746 |
| Amperes (when HP is known) | HP x 746 / (E x %EFF x PF) | HP x 746 / (1.73 x E x %EFF x PF) | HP x 746 / (E x %EFF) |
| Amperes (when kW is known) | KW x 1000 / (E x PF) | KW x 1000 / (1.73 x E x PF) | KW x 1000 / E |
| Amperes (when KVA is known) | KVA x 1000 / E | KVA x 1000 / (1.73 x E) | — |
It is not meant to be a strict guide to calculate your requirements. For the most accurate calculations refer to the owner’s manual of each device, tool, appliance, etc., or most preferably, consult a professional electrician: