Home Back

Servo Motor Torque Calculator

Torque Formula:

\[ T = K_T \times I \]

Nm/A
amperes
Nm

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is a Servo Motor Torque Calculator?

Definition: This calculator estimates the torque produced by a servo motor based on its torque constant and the current supplied.

Purpose: It helps engineers and technicians determine the torque output for servo motor selection and performance analysis.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ T = K_T \times I \]

Where:

Explanation: The torque constant is multiplied by the current to determine the torque produced by the servo motor.

3. Importance of Torque Calculation

Details: Proper torque estimation ensures the motor can handle the required load, prevents overheating, and helps in selecting the right motor for the application.

4. Using the Calculator

Tips: Enter the torque constant (found in motor specifications) in Nm/A and the current in amperes. All values must be > 0.

5. Frequently Asked Questions (FAQ)

Q1: Where do I find the torque constant?
A: The torque constant (KT) is typically provided in the motor's datasheet or specifications.

Q2: What's a typical torque constant value?
A: This varies by motor, but common servo motors might have torque constants between 0.01 to 1.0 Nm/A.

Q3: Does this account for efficiency losses?
A: No, this is the theoretical torque. Actual torque may be slightly lower due to efficiency losses.

Q4: Can I use this for stepper motors?
A: While the principle is similar, stepper motors have different characteristics and this calculator is specifically for servo motors.

Q5: How does temperature affect the calculation?
A: Higher temperatures can increase resistance and slightly reduce torque output, but this calculator doesn't account for temperature effects.

Servo Motor Torque Calculator© - All Rights Reserved 2025