Motor HP Torque Speed Calculator

⚡ Motor HP / Torque / Speed Calculator

Convert between horsepower, torque, RPM, kW, and N·m

Common Motor Presets

Results

Conversion Formulas

HP = Torque (lb·ft) × RPM / 5252

Torque (lb·ft) = HP × 5252 / RPM

kW = HP × 0.7457  |  N·m = lb·ft × 1.35582

Input power (kW) = Output kW / Efficiency  |  Full-load current (A) ≈ HP × 746 / (V × PF × Eff × √3) for 3-phase