Bolt Size & Torque
Free
Calculate stress area and preload from nominal diameter, pitch, and grade.
Tool report
Power - Torque - RPM
Compute torque or power from kW, hp, and rpm.
DateMay 15, 2026
Inputs
Güç (kW)5.5 kW
Devir (rpm)1,500 rpm
Mekanik verim (%)95 %
Results
Torque Nm35.0167
Torque Nm Eff33.2658
Power Hp7.3756
Chart
Formula
P(kW) = T(Nm) * n(rpm) / 9550 | T = 9550 * P / n | hp = kW * 1.34102 | T_eff = T * η
Assumptions
- Steady-state operation; losses are represented by mechanical efficiency.
- RPM is constant and torque ripple is ignored.
References
- DIN 70020 (Engine power definitions)
Reference for kW-hp conversion.
- ISO 3046 (Reciprocating engine performance)
Similar calculators
Related calculators
Explore calculators with similar categories or tags.
Spring Force Chart
Free
Generate an F-x chart from spring constant and displacement.
Tensile Stress
Free
Compute tensile stress from force and cross-section area.
Bending & Deflection
Free
Bending stress and max deflection for a simply supported beam.
Other picks
These might help too
Review alternative calculators for adjacent needs.
Shaft Torsion
Free
Compute torsional stress and twist angle from torque and shaft size.
Gear Design
Free
Overview and entry point for gear design calculations.
Gear Force & Torque
Free
Compute gear torque and transmitted forces.
Unit Converter
Free
Fast unit conversions for length, force, pressure, and energy.