Home Back

Volts To Horsepower Calculator

Horsepower Equation:

\[ HP = \frac{V \times I \times Eff}{746} \]

volts
amps
decimal

Unit Converter ▲

Unit Converter ▼

From: To:

1. What is the Volts to Horsepower Equation?

The Volts to Horsepower equation calculates mechanical power output from electrical input parameters. It converts electrical power (volts × amps) to mechanical horsepower, accounting for system efficiency.

2. How Does the Calculator Work?

The calculator uses the horsepower equation:

\[ HP = \frac{V \times I \times Eff}{746} \]

Where:

Explanation: The equation converts electrical power (watts) to mechanical horsepower, accounting for system efficiency losses.

3. Importance of Horsepower Calculation

Details: Accurate horsepower calculation is crucial for motor sizing, electrical system design, energy efficiency analysis, and mechanical power requirements in various applications.

4. Using the Calculator

Tips: Enter voltage in volts, current in amps, and efficiency as a decimal between 0 and 1. All values must be valid positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: Why is 746 used in the formula?
A: 746 watts equals 1 horsepower, making it the standard conversion factor between electrical power and mechanical horsepower.

Q2: What is typical motor efficiency?
A: Electric motor efficiency typically ranges from 0.7 to 0.95 (70% to 95%), depending on motor type, size, and operating conditions.

Q3: Can this formula be used for AC and DC systems?
A: For DC systems, use directly. For AC systems, power factor must be considered in addition to efficiency for accurate calculations.

Q4: What are common applications of this calculation?
A: Motor selection, generator sizing, industrial equipment design, automotive systems, and renewable energy system planning.

Q5: How accurate is this calculation?
A: The calculation provides theoretical horsepower. Actual performance may vary due to mechanical losses, temperature effects, and other real-world factors.

Volts To Horsepower Calculator© - All Rights Reserved 2025