Engine Horsepower, Torque & RPM Physics Calculator (HP = Torque*RPM / 5252)
Calculate mechanical brake horsepower (HP), metric horsepower (PS), power in kilowatts (kW), and convert between N·m and lb-ft torque across dynamometer power curves.
Calculator Inputs
Live Real-TimeMechanical Horsepower (HP)
Output Power in Kilowatts (kW)
201.6 kW
Metric Horsepower (PS / DIN)
274.08 PS
Torque in Foot-Pounds (lb-ft)
258.15 lb-ft
Engine Performance: Output power represents rotational work capacity at the specified engine speed.
Engine Output Power Profile
Detailed Calculation Breakdown
Calculation Methodology
Mechanical Horsepower: HP = (Torque_Nm * RPM) / 7120.8 = (Torque_lbft * RPM) / 5252. Power in kW = (Torque_Nm * RPM) / 9548.8. Metric PS = HP * 1.01387.
Important Legal & Educational Disclaimer
This automotive powertrain engineering tool computes mechanical rotational power dynamics.
This calculator is designed for educational and informational purposes only based on public statutory frameworks. The outputs do not constitute binding financial, tax, or legal advice. We assume no liability for decisions made based on these estimations. Always verify with the relevant official authorities or a certified professional advisor.
Frequently Asked Questions
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