Motor FLA Calculator
To find motor FLA, select the appropriate number of phases, then enter motor data and press Calculate.

Watts to HP Converter
Torque Calculator
Insulation Resistance Test Voltage
Winding DC Voltage
<1000500
1000-2500500-1000
2501-50001000-2500
5001-120002500-5000
>120005000-10000
Derived from IEEE Std 43-2000. Applies rotating machines rated 1 hp, 750 W or greater
Formulas
  • Single Phase AC Motor FLA

    Watts: (P [kW] × 1000) / (V × cos ϕ)

    Horsepower: (P [HP] × 746) / (V × cos ϕ × η)

  • Three Phase AC Motor FLA

    Watts: (P [kW] × 1000) / (V × 1.732 × cos ϕ)

    Horsepower: (P [HP] × 746) / (V × 1.732 × cos ϕ × η)

  • 1 Watt

    0.00134102 HP

  • 1 HP

    745.7 Watts

  • Torque

    (33,000 x HP) / (6.28 x RPM)