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Electric Motor HP to Watts

Power Conversion Formula:

\[ P_w = HP \times 746 \]

HP

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1. What is HP to Watts Conversion?

Definition: This calculator converts electric motor power from horsepower (HP) to watts (W).

Purpose: It helps engineers, electricians, and technicians work with power specifications in different units.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ P_w = HP \times 746 \]

Where:

Explanation: 1 horsepower is equivalent to 746 watts by definition.

3. Importance of Power Conversion

Details: Converting between HP and watts is essential when working with motor specifications, electrical systems, and energy calculations.

4. Using the Calculator

Tips: Simply enter the horsepower value (must be > 0) and the calculator will provide the equivalent power in watts.

5. Frequently Asked Questions (FAQ)

Q1: Why is the conversion factor 746?
A: This is the standard conversion factor defined in the International System of Units (1 HP = 746 W).

Q2: Does this work for mechanical and electrical HP?
A: Yes, this conversion applies to both mechanical and electrical horsepower.

Q3: What about metric horsepower?
A: Metric horsepower (PS) uses a different conversion factor (1 PS = 735.5 W). This calculator uses standard HP.

Q4: How precise is this conversion?
A: The conversion is exact by definition, though practical measurements may have some tolerance.

Q5: Can I convert watts back to HP?
A: Yes, simply divide watts by 746 to get horsepower.

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