These calculators will assist you in determining what size generator you may require or how to convert one unit of electricity to another.
Generator Size to Start Motors
Instructions: You only need to fill in the columns coloured in orange.
Fill in the HP of the motor(s) in their starting squence, select the start
method (Direct On Line or Star Delta) and press Evaluate. The required generator
size will then be displayed at the bottom.
Domestic Power Guide
| Appliance | Rated Watts | Rated kVA | Rated kVA |
| Appliance | Gene to run appliance | Gene to start appliance | |
| Air Conditioner (Evap model) | 275-1000 | 0.34-1.25 | 1.36-5 |
| Air Conditioner (Rev cycle) | 200-2500 | 0.25-3.13 | 1-12.5 |
| Clothes Dryer | 2400 | 3 | 3 |
| Coffee Percolator | 550 | 0.69 | 0.69 |
| Can Opener | 100 | 0.13 | 0.52 |
| Deep Freezer | 500 | 0.63 | 2.52 |
| Disposal Unit | 650 | 0.81 | 3.24 |
| Dishwasher | 1000-3000 | 1.25-3.75 | 1.25-3.75 |
| Domestic Water Pumps | 275-1000 | 0.34-1.25 | 1.36-5 |
| Exhaust Fan | 40 | 0.05 | 0.2 |
| Food Processor | 500 | 0.63 | 2.52 |
| Fry pan | 1400 | 1.75 | 1.75 |
| Hair Dryer | 1500 | 1.88 | 1.88 |
| Hot water Service | 2500-3000 | 3.13-3.75 | 3-13-3.75 |
| Iron | 800-1500 | 1-1.88 | 1-1.88 |
| Kettle or jug | 1600-3000 | 2-3.75 | 2-3.75 |
| Lights | 25-200 | 0.03-0.25 | 0.03-0.25 |
| Microwave | 1500 | 1.88 | 1.88 |
| Oven | 4000-8000 | 5-10 | 5-10 |
| Radio | 60 | 0.08 | 0.08 |
| Radiator | 1000-2500 | 1.25-3.13 | 115-3.13 |
| Refrigerator (home) | 300 | 0.38 | 1.52 |
| Sewing Machine | 60 | 0.08 | 0.32 |
| Space Heater | 2000 | 2-5 | 2.5 |
| Television | 75-200 | 0.09-0.25 | 0.09-0.25 |
| Toaster | 250-1250 | 0.3-1.56 | 0.3-1.56 |
| Washing Machine | 500-3000 | 0.63-3.75 | 2.52-15 |
| Welder 140A | 5000 | 6.25 | 8 min |
Guide to units:
HP = Horsepower
kW = Kilo Watts
kVA = Kilo Volt Amps
I = Ampere or Current
V = Volts
PF = Power Factor