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To convert watts (W) to kilovolt-amperes (kVA), you need to know the power factor (PF) of the load. The formula to convert watts to kVA is:
kVA=Watts/Power Factor×1000
Assuming a common power factor of 0.8 for these calculations.
Below is a table showing the conversion of various watt values to kVA, sorted from smallest to largest, assuming a power factor of 0.8.
| Watts (W) | Power Factor (PF) | kVA | 
| 1000.00 | 0.80 | 1.25 | 
| 2000.00 | 0.80 | 2.50 | 
| 5000.00 | 0.80 | 6.25 | 
| 7000.00 | 0.80 | 8.75 | 
| 8000.00 | 0.80 | 10.00 | 
| 9000.00 | 0.80 | 11.25 | 
| 10000.00 | 0.80 | 12.50 | 
| 13000.00 | 0.80 | 16.25 | 
To convert 2000 watts to kVA at a power factor of 0.8:
kVA=2000/0.8×1000=2.50 kVA
To convert 5000 watts to kVA at a power factor of 0.8:
kVA=5000/0.8×1000=6.25 kVA
To convert 10000 watts to kVA at a power factor of 0.8:
kVA=10000/0.8×1000=12.50 kVA