Power Calculator  
 
Enter known values in a calculator table leaving only one field empty then click "Calculate"

Ohms Law DC
E VoltageI Current (in Amps)R Resistance
Power Factor
PF Power FactorKW (Real Power)KVA (Total Power)
Three Phase
KW (Real Power)I CurrentE VoltagePF Power Factor
Single Phase
KW (Real Power)I CurrentE VoltagePF Power Factor