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Torque to HP Calculator

Torque to HP Formula (metric):

\[ HP = \frac{Torque\,(N·m) \times RPM}{7127} \]

N·m
rpm

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1. What is Torque to HP Conversion?

The Torque to HP conversion calculates horsepower from torque and rotational speed (RPM). This is essential for understanding engine performance in automotive and mechanical applications.

2. How Does the Calculator Work?

The calculator uses the metric Torque to HP equation:

\[ HP = \frac{Torque\,(N·m) \times RPM}{7127} \]

Where:

Explanation: Horsepower is a measure of power that combines torque and rotational speed. The formula shows how much work the engine can perform over time.

3. Importance of Torque and HP

Details: Torque measures rotational force, while horsepower measures the rate at which work is done. Both are crucial for understanding engine performance characteristics.

4. Using the Calculator

Tips: Enter torque in N·m and RPM values. Both must be positive numbers. The calculator will compute the equivalent horsepower.

5. Frequently Asked Questions (FAQ)

Q1: What's the difference between torque and horsepower?
A: Torque is a measure of rotational force, while horsepower is a measure of power (work done over time).

Q2: Why 7127 in the formula?
A: This is the conversion constant that accounts for units (N·m to hp) and time (minutes to seconds).

Q3: How does RPM affect horsepower?
A: For the same torque, higher RPM means more horsepower since power is torque multiplied by rotational speed.

Q4: What are typical torque values for cars?
A: Passenger cars typically have 100-400 N·m, while performance cars may have 500+ N·m.

Q5: Can I use this for electric motors?
A: Yes, the formula works for any rotating machinery, including electric motors.

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