Motor Torque Calculator | Calculate Torque from Power & Speed

Motor Torque Calculator

Calculate the torque output of a motor based on its rated power and rated speed.

Rated Power (W)

Rated Speed (RPM)

Result

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How to Use the Motor Torque Calculator?

1. Enter the rated power of the motor in Watts.
2. Enter the rated speed of the motor in RPM.
3. Click on "Calculate Torque" to view the result.

How the Motor Torque Calculator Works

The calculator uses the formula T = (P × 60) / (2πN) to calculate torque based on the power and speed of the motor.

What is Motor Torque Calculator?

A Motor Torque Calculator is a tool that allows users to determine the torque output of a motor based on its rated power and speed, ensuring that the motor can perform its intended tasks effectively.

Rated Power (P): This is the maximum power output that a motor can deliver under normal operating conditions. It is usually specified in watts (W) or horsepower (HP).

Rated Speed (N): This is the speed at which the motor is designed to operate efficiently, usually measured in revolutions per minute (RPM).

Torque (T): Torque is the measure of rotational force produced by the motor. It is generally expressed in Newton-meters (Nm).

Example of Motor Torque Calculator

Input: Rated Power = 1500 W, Rated Speed = 1500 RPM

Output: Torque ≈ 9.55 Nm

Motor Torque Calculator Formula

The formula for calculating torque is:

Torque (T) = (Power (P) × 60) / (2π × Speed (N))

Where:

T = Torque (in Newton-meters, Nm)

P = Power (in Watts, W)

ω = Angular speed (in radians per second)

2π=converts the speed from revolutions per minute to radians per second.

To convert RPM to radians per second:

ω= 60/2πN

Where:

N = Speed (in RPM)

Combining these formulas, we can calculate torque as:

T= P×60/2πN

Frequently Asked Questions (FAQ)

Q: What is torque in motors?

A: Torque is a measure of rotational force that a motor can produce, essential for determining its performance in various applications.

Q: How do I convert horsepower to watts?

A: To convert horsepower to watts, use the formula: 1 HP = 745.7 W.

Q: Is this calculator free to use?

A: Yes, the Motor Torque Calculator is completely free to use!

Q: What units can I use for power?

A: You can input power in either watts (W) or horsepower (HP), but ensure the units are consistent.

Q: How accurate is the torque calculation?

A: The calculator provides accurate results based on the input parameters and formulas.

Q: Can I use this calculator for different types of motors?

A: Yes, this calculator can be used for various types of electric motors, including AC and DC motors.

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