Torque to HP Calculator

0.0(0)

This calculator determines the horsepower (HP) of an engine based on its torque and RPM.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Torque (lb-ft) and RPM (Revolutions per minute) in the units shown.

Step 2

Read Horsepower (HP) in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

See the inputs and their calculated results.

Torque (lb-ft): 300; RPM (Revolutions per minute): 4,000

Horsepower (HP): 228.4843869

Torque (lb-ft): 400; RPM (Revolutions per minute): 5,000

Horsepower (HP): 380.8073115

Torque (lb-ft): 250; RPM (Revolutions per minute): 3,000

Horsepower (HP): 142.8027418

Explore the topic

Find calculators for chemistry, biology, lab dilution, concentration, osmolarity, genetics, physics, and experimental planning.

People Also Calculate

Continue with another tool on a related topic.

Calculates the horizontal angle (azimuth) of a celestial body or a point relative to a reference direction (e.g., North).

Analyzes forces and distances in a lever system based on the fulcrum position.

Calculates electrical power using voltage, current, and resistance, based on the formulas P=VI, P=I²R, and P=V²/R.

Calculates the component values (e.g., in L-networks) needed to match impedances for maximum power transfer.