Motor Full Load Current Calculator

Calculate full load current for AC motors per NEC Tables 430.248 and 430.250.

Motor rated horsepower.
HP
Motor rated voltage.
V
Motor efficiency (0.85-0.95 typical).
Motor power factor.
1 for single-phase, 3 for three-phase.

Results

Full Load Amps-A
Input Power-kW
Apparent Power-kVA
References: NEC Table 430.248; NEC Table 430.250; NEMA MG 1