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Watts To Torque Calculator Converter

Torque Formula:

\[ \tau = P \times 9.549 / RPM \]

Watts (W)
rev/min

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1. What is the Watts To Torque Conversion?

The Watts To Torque conversion calculates the rotational force (torque) produced by a motor or engine based on its power output in watts and rotational speed in RPM. This is essential in mechanical engineering and automotive applications.

2. How Does the Calculator Work?

The calculator uses the torque formula:

\[ \tau = P \times 9.549 / RPM \]

Where:

Explanation: The formula converts power and rotational speed into torque, which represents the rotational force applied.

3. Importance of Torque Calculation

Details: Accurate torque calculation is crucial for designing mechanical systems, selecting appropriate motors, and ensuring efficient power transmission in various applications.

4. Using the Calculator

Tips: Enter power in watts and RPM value. Both values must be positive numbers greater than zero for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: Why is 9.549 used in the formula?
A: 9.549 is derived from 60/(2π), which converts power in watts and speed in RPM to torque in N·m.

Q2: What are typical torque values for electric motors?
A: Torque values vary widely depending on motor size and type, ranging from fractional N·m for small motors to hundreds of N·m for industrial motors.

Q3: Can this formula be used for any rotating system?
A: Yes, the formula applies to any rotating mechanical system where power and rotational speed are known.

Q4: How does torque relate to mechanical work?
A: Torque represents the rotational force that causes objects to rotate, while power represents the rate at which work is done.

Q5: What units are used for torque measurement?
A: Torque is typically measured in Newton-meters (N·m) in the metric system or pound-feet (lb·ft) in the imperial system.

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