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Example of VA to Watts Calculations
To convert volt-amperes (VA) to watts (W), you need to know the power factor (PF) of the load. The formula to convert VA to watts is:
Watts=VA×Power Factor
Assuming a common power factor of 0.8 for these calculations.
Table of VA to Watts Conversions
Below is a table showing the conversion of various VA values to watts, sorted from smallest to largest, assuming a power factor of 0.8.
|
VA |
Power Factor (PF) |
Watts (W) |
|
40 |
0.8 |
32 |
|
100 |
0.8 |
80 |
|
300 |
0.8 |
240 |
|
400 |
0.8 |
320 |
|
425 |
0.8 |
340 |
|
450 |
0.8 |
360 |
|
500 |
0.8 |
400 |
|
600 |
0.8 |
480 |
|
650 |
0.8 |
520 |
|
750 |
0.8 |
600 |
|
850 |
0.8 |
680 |
|
900 |
0.8 |
720 |
|
950 |
0.8 |
760 |
|
1000 |
0.8 |
800 |
|
1100 |
0.8 |
880 |
|
1200 |
0.8 |
960 |
|
1350 |
0.8 |
1080 |
|
1400 |
0.8 |
1120 |
|
1500 |
0.8 |
1200 |
|
1800 |
0.8 |
1440 |
|
2000 |
0.8 |
1600 |
|
2200 |
0.8 |
1760 |
|
3000 |
0.8 |
2400 |
Convert 500 VA to Watts
To convert 500 VA to watts at a power factor of 0.8:
Watts=500×0.8=400 W
Convert 1000 VA to Watts
To convert 1000 VA to watts at a power factor of 0.8:
Watts=1000×0.8=800 W
Convert 1500 VA to Watts
To convert 1500 VA to watts at a power factor of 0.8:
Watts=1500×0.8=1200 W