Torque Conversion Formula:
From: | To: |
The Kw To Nm Torque Conversion calculates torque in Newton-meters (Nm) from power in kilowatts (kW) and rotational speed in revolutions per minute (RPM). This conversion is essential in mechanical engineering and automotive applications.
The calculator uses the torque conversion formula:
Where:
Explanation: The constant 9549 is derived from unit conversion factors to relate power (kW), rotational speed (RPM), and torque (Nm).
Details: Accurate torque calculation is crucial for designing mechanical systems, selecting appropriate motors, and ensuring proper performance in automotive and industrial applications.
Tips: Enter power in kilowatts (kW) and rotational speed in revolutions per minute (RPM). Both values must be positive numbers.
Q1: Why is the constant 9549 used in the formula?
A: The constant 9549 comes from the conversion factors between kilowatts, Newton-meters, and revolutions per minute (60,000/2π ≈ 9549).
Q2: What are typical torque values for different applications?
A: Torque values vary widely depending on the application. Small electric motors might produce 1-10 Nm, while automotive engines can produce hundreds of Nm.
Q3: Can this formula be used for any rotational system?
A: Yes, this formula applies to any rotational system where power and rotational speed are known, provided the units are consistent.
Q4: How does torque relate to power and speed?
A: Torque is inversely proportional to speed for a given power output. Higher speeds generally result in lower torque, and vice versa.
Q5: What's the difference between torque and power?
A: Torque is a rotational force, while power is the rate at which work is done. Power combines both torque and rotational speed.