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Horsepower (mechanical) to Kilowatt Converter

Convert Horsepower (mechanical) (hp) to Kilowatt (kW) instantly with our interactive tool, benchmark tables, and detailed unit information.

1 hp = 0.7457 kW
Editable
hp
Input
Auto-Calculated
kW
Result
Power conversion — instant results

Convert Horsepower (mechanical) to Kilowatt

1 hp = 0.7457 kW
Horsepower (mechanical) (hp) Kilowatt (kW)
1 hp 0.7457 kW
5 hp 3.7285 kW
10 hp 7.457 kW
25 hp 18.6425 kW
50 hp 37.285 kW
100 hp 74.57 kW
500 hp 372.85 kW
1,000 hp 745.7 kW

Convert Kilowatt to Horsepower (mechanical)

1 kW = 1.3410 hp
Kilowatt (kW) Horsepower (mechanical) (hp)
1 kW 1.341022 hp
5 kW 6.705109 hp
10 kW 13.410219 hp
25 kW 33.525546 hp
50 kW 67.051093 hp
100 kW 134.102186 hp
500 kW 670.510929 hp
1,000 kW 1,341.021859 hp

About Horsepower (mechanical) and Kilowatt

Detailed information about both units of measurement.

IMPERIAL UNIT

Horsepower (mechanical)

hp
Definition
An imperial unit of power equal to 550 foot-pounds per second. Used for engine output in the US and UK.
SI / Standard Information
Defined as 745.7 W exactly. Originally defined by James Watt to compare steam engine output to draft horses.
Approximate Comparison
One horsepower is roughly the sustained power output of a draft horse or about 10-12 humans.
Practical Applications
  • US and UK vehicle engine power ratings
  • Lawn mower and small engine specs
  • Industrial motor power in the US
  • Marine engine specifications
Real-World Examples
  • A typical family car has 150-250 hp
  • A lawn mower engine is about 5-15 hp
  • A Formula 1 car produces about 1,000 hp
METRIC UNIT

Kilowatt

kW
Definition
One thousand watts. Standard unit for appliance power, EV motors, and engine output worldwide.
SI / Standard Information
SI-derived unit (kW). 1 kW = 1,000 W. The most practical unit for household appliances and vehicle power ratings.
Approximate Comparison
A kilowatt is about the power of a microwave oven or a small space heater.
Practical Applications
  • Electric motor and EV power rating
  • Home appliance power specification
  • Generator and UPS capacity
  • Solar panel system output
Real-World Examples
  • A typical home's electrical service is 10-20 kW
  • An electric car motor is about 150-300 kW
  • A window air conditioner uses about 1-2 kW

About Converting Horsepower (mechanical) to Kilowatt

Our Horsepower (mechanical) to Kilowatt converter provides instant, accurate conversion between these two essential power units. Whether you are working in engineering, construction, education, or everyday power measurement, this tool delivers precise results with zero friction.

The Horsepower (mechanical) (hp) is a imperial unit of power. An imperial unit of power equal to 550 foot-pounds per second. Used for engine output in the US and UK. One horsepower is roughly the sustained power output of a draft horse or about 10-12 humans.

The Kilowatt (kW) is a metric unit of power. One thousand watts. Standard unit for appliance power, EV motors, and engine output worldwide. A kilowatt is about the power of a microwave oven or a small space heater.

Conversion Formula & Worked Examples

The conversion between hp and kW uses the following mathematical relationship:

Kilowatt = Horsepower (mechanical) × 0.745700

Horsepower (mechanical) = Kilowatt × 1.341022

Whether you need to convert for us and uk vehicle engine power ratings or electric motor and ev power rating, our interactive converter provides instant, accurate results.

Example

1 hp

=

0.7457 kW

Example

5 hp

=

3.7285 kW

Example

10 hp

=

7.457 kW

Reverse Direction

Need to convert Kilowatt back into Horsepower (mechanical)?

Switch conversion direction to view Kilowatt → Horsepower (mechanical) tables, benchmarks, and detailed info.

Open Kilowatt → Horsepower (mechanical)

Practical Use Cases & Applications

hp Horsepower (mechanical)

  • US and UK vehicle engine power ratings
  • Lawn mower and small engine specs
  • Industrial motor power in the US
  • Marine engine specifications

kW Kilowatt

  • Electric motor and EV power rating
  • Home appliance power specification
  • Generator and UPS capacity
  • Solar panel system output

Frequently Asked Questions

Common questions about this conversion and related measurement topics.

How do I convert Horsepower (mechanical) to Kilowatt?
To convert Horsepower (mechanical) (hp) to Kilowatt (kW), multiply the horsepower (mechanical) value by the conversion factor. Our converter below handles this instantly — just enter the value in hp and the kW result appears in real time.
How many Kilowatts are in one horsepower (mechanical)?
One horsepower (mechanical) (hp) equals approximately 0.745700 kilowatt (kW). This conversion factor is constant and can be used for any horsepower (mechanical) value.
What is the formula to convert hp to kW?
The conversion formula is: <strong>Kilowatt = Horsepower (mechanical) × 0.745700</strong>. For example, 5 hp × 0.7457 = 3.7285 kW, and 10 hp × 0.7457 = 7.4570 kW.
Can I convert Kilowatt back to Horsepower (mechanical)?
Yes! Use the reverse direction on our converter, or visit our dedicated <a href="/power/kilowatts-to-horsepower/" class="text-accent-teal underline">Kilowatt to Horsepower (mechanical) converter</a>. The reverse conversion factor is approximately 1 kW = 1.341022 hp.
Where is Horsepower (mechanical) commonly used?
US and UK vehicle engine power ratings, Lawn mower and small engine specs, Industrial motor power in the US. An imperial unit of power equal to 550 foot-pounds per second. Used for engine output in the US and UK.
What is the difference between Horsepower (mechanical) and Kilowatt?
Horsepower (mechanical) (hp) and Kilowatt (kW) are both units of power. Horsepower (mechanical) belongs to the imperial system, while Kilowatt belongs to the metric system. Understanding the conversion between them is essential for international work in power measurement.
What are some real-world examples of horsepower and kilowatts?
Horsepower (mechanical): A typical family car has 150-250 hp; A lawn mower engine is about 5-15 hp Kilowatt: A typical home's electrical service is 10-20 kW; An electric car motor is about 150-300 kW

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About This Conversion ℹ

This Horsepower (mechanical) to Kilowatt converter provides accurate, real-time conversions between these two power units.

Both units are among the most commonly used power measurements — rated 9/10 and 9/10 in popularity.

Bookmark this page for quick access to the Horsepower (mechanical) → Kilowatt converter whenever you need precise unit conversion.

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