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
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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)