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ALL CATEGORIES
Mobile Phones & Accessories
Home Appliances
Cameras & Photography
Audio & Music
Wearable Technology
Networking & Security
Smart Home
Office Electronics
Computer Accessories
Power & Energy
Batteries & Chargers
Lighting
Industrial Electricals
Tools & Instruments
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Calculator & Conversion
Generator Sizing Calculator
Generator Sizing Calculator
Total Load
Watts (W)
Kilowatts (kW)
kVA
Power Factor
For most appliances, power factor ≈ 0.8
Safety Margin
%
Calculate
Recommended Generator Size:
--
kVA
Formula
Generator Size (kVA) =
Load (kW)
Power Factor
× (1 + Safety Margin)
Where:
- Load = Total connected load (Watts/kW)
- Power Factor = typically 0.8 for mixed appliances
- Safety Margin = extra buffer (10–30%) for startup & future loads
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