How do you convert horsepower to kilowatts?

To convert horsepower to kilowatts, multiply the horsepower value by 0.7457. For example: 1) 1 hp = 0.7457 kW, 2) 100 hp = 74.57 kW, 3) 200 hp = 149.14 kW. Our calculator handles this automatically.

What is 1 horsepower equal to in kilowatts?

1 horsepower equals exactly 0.7457 kilowatts. This is a standard conversion used worldwide in power measurements. For quick estimates, you can think of 1 horsepower as about 3/4 of a kilowatt.

Why would I need to convert horsepower to kilowatts?

Converting horsepower to kilowatts is useful when: 1) Comparing engine specifications from different regions, 2) Working with electrical equipment, 3) Converting between imperial and metric power units, 4) Understanding power ratings of motors and engines.

How many kilowatts make a horsepower?

1 kilowatt equals approximately 1.341 horsepower. Conversely, 1 horsepower equals 0.7457 kilowatts. This relationship is standardized worldwide for power measurements in mechanical and electrical systems.

Horsepower to Kilowatts Conversion Calculator

Horsepower (hp) to Kilowatt (kW) Converter

Symbol: hp (horsepower), kW (kilowatts)

What they are:

Horsepower is a unit of power originally defined as the power needed to lift 550 pounds by 1 foot in 1 second. The kilowatt is the SI unit of power, equal to 1,000 watts or 1,000 joules per second.

Conversion Facts:

1 horsepower = 0.7457 kilowatts
1 kilowatt = 1.341 horsepower
100 hp = 74.57 kW
10 kW = 13.41 hp

From:

Horsepower (hp)

To:

Kilowatt (kW)

Conversion Result

1 hp=

1.000 kW

Use the converter above to calculate different values and units

What are Power Measurements?

Power measurements quantify the rate at which work is done or energy is transferred. Horsepower and kilowatts are two common units used for measuring power, with horsepower traditionally used in mechanical systems and kilowatts in electrical systems.

The relationship between horsepower and kilowatts is precisely defined: 1 horsepower equals exactly 0.7457 kilowatts. This conversion is essential for comparing power specifications between different systems, particularly when dealing with engines, motors, and electrical equipment from different regions or industries.

Common Horsepower to Kilowatts Conversions

Horsepower (hp)	Kilowatts (kW)	Common Reference
1	0.7457	Small electric motor
10	7.457	Small outboard boat motor
50	37.285	Vintage motorcycle engine
100	74.57	Small car engine
200	149.14	Sports car engine
400	298.28	High-performance car engine
1,000	745.7	Small industrial generator
10,000	7,457	Large ship engine

Practical Use Cases

Automotive: Converting engine power specifications between US/UK (horsepower) and international (kilowatt) standards
Industrial Equipment: Understanding power ratings of machinery, pumps, and motors across different measurement systems
Electrical Engineering: Designing power systems and calculating energy requirements for applications that bridge mechanical and electrical domains
Renewable Energy: Comparing traditional engine power with electric motor outputs in hybrid and electric vehicles
Marine Applications: Evaluating boat engine power in different measurement standards
Consumer Appliances: Understanding the power consumption of high-wattage appliances like air conditioners and heaters

Educational Resource

This educational video explains the relationship between horsepower and kilowatts and demonstrates how to convert between these units with practical examples and applications.

Conversion Tools

Download Conversion Chart (PDF)

Get our comprehensive horsepower to kilowatts conversion chart for quick reference when you're offline.

Horsepower to Kilowatts Conversion FAQs

Find answers to common questions about converting between horsepower and kilowatts.