The VA to Watts Calculator is used to determine the actual power in watts for AC current based on the apparent power measured in volt-amperes, provided that the power factor is known. Please take into consideration that the conversion from VA to W and vice versa only applies to AC current. The apparent power and the active power are the same when working with direct current.
The power factor multiplied by the apparent power gives you the real power.
W = VA × PF
Let us consider the power factor, denoted by PF, the apparent power, denoted by VA, and the real power, denoted by P in Watt, using the relation given above.
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