Generator calculator
This is a list of items you may want to power with a portable generator. These are an approximation of load to give you a guide. Wattages will vary from one machine to another.
| Machine/Load | Running watts | Starting Watts | |
|---|---|---|---|
| General Household items | |||
| Water tank pump 1/3HP | 575 | 1440 | |
| Microwave 1000W | 1000 | 1000 | |
| Fridge/Freezer | 550 | 1350 | |
| Electric water heater | 3800 | 3800 | |
| Electric Stove (Generic) | 2100 | 2100 | |
| Coffee Maker (domestic) | 1300 | 1300 | |
| Fan or column heater (1500W) | 1500 | 1500 | |
| Window A/C 10,000BTU | 1000 | 2100 | |
| Central A/C non inverter 10,000BTU | 1500 | 3000 | |
| Box or Pedestal fan (domestic) | 100 | 100 | |
| Inflator pump (not compressor) | 175 | 175 | |
| Electronics | |||
| Phone Charger | 30 | 30 | |
| Radio | 10 | 10 | |
| LCD TV 40" | 150 | 150 | |
| laptop | 250 | 250 | |
| Home Stereo | 450 | 450 | |
| Tools | |||
| Sump Pump 1/3HP | 1140 | 3000 | |
| Sump Pump 1/2HP | 1200 | 3000 | |
| Worklight halogen 300W | 300 | 300 | |
| Cordless battery charger 150w-750w | 150-750 | 150-750 | |
| Airless paint sprayer | 600 | 1200 | |
| Recip Saw | 1100 | 2500 | |
| Electric drill 13mm | 1100 | 1250 | |
| Hammer/SDS Drill | 1600 | 1400 | |
| Circular saw 235mm | 1800 | 2000 | |
| Miter Saw Large | 1800 | 4500 | |
| Air compressor 1/3HP | 300 | 780 | |
| Air compressor 1HP | 1400 | 3600 | |