I = current amperes
E = voltage in volts
W = watts
kW = power in kilowatts
kVA = apparent power in kilo-volt-amperes
HP = output power in horsepower
RPM(n) = motor speed in revolutions per minute
ns = synchronous speed in revolutions per minute
Rotor Poles(P) = number of poles
Hertz(f) = frequency in cycles per second(CPS)
T = torque in pound-feet
EFF = efficiency as a decimal
PF = power factor as a decimal
HP = horsepower
VALUE 1-PHASE 3-PHASE
WATTS (W) I X E X PF I x E x 1.73 x PF
KILOWATTS (kW) E x L x PF
1000		 E x I x 1.73 x PF
1000
AMPERES (I) kW x 1000
E x PF		 kW x 1000
E x 1.73 x PF
KILOVOLT AMPERES (kVA) I x E
1000		 I x E x 1.73
1000
FREQUENCY (Hertz orf) Rotor Poles x RPM
120		 Rotor Poles x RPM
120
RPM (n) Hertz x 120
Rotor Poles		 Hertz x 120
Rotor Poles
NUMBER OF ROTOR POLES (P) Hertz x 120
RPM		 Hertz x 120
RPM
POWER FACTOR (PF) Actual Watts
I x E		 Actual Watts
I x 1.73 x E
HORSEPOWER (HP) I x E x PF
746 x EFF		 I x E x 1.73 x PF
746 x EFF
AMPERES (when kW is known) kW x 1000
E x PF		 kW x 1000
E x 1.73 x PF
AMPERES (when kVA is known) kVA x 1000
E		 kVA x 1000
E x 1.73