Conversion Result
18 kilowatts equals approximately 24.17 horsepower.
To convert 18 kw to hp, multiply the kilowatt value by 1.34102. This is because 1 kilowatt equals about 1.34102 horsepower. So, 18 kw x 1.34102 = 24.17 hp, giving a direct conversion based on their proportional relationship.
Conversion Tool
Result in hp:
Conversion Formula
The formula to convert kw to hp is: hp = kw × 1.34102. This works because 1 kilowatt equals approximately 1.34102 horsepower, based on their definitions in the mechanical and electrical power measurement systems. By multiplying kw by this factor, you get the equivalent horsepower.
For example, to convert 18 kw: 18 × 1.34102 = 24.13836 hp. Rounding to two decimal places gives 24.14 hp, which represents the power in horsepower equivalent to 18 kilowatts.
Conversion Example
- Convert 25 kw to hp:
- Multiply 25 by 1.34102
- 25 × 1.34102 = 33.5255 hp
- Result: 33.53 hp
- Convert 10 kw to hp:
- Multiply 10 by 1.34102
- 10 × 1.34102 = 13.4102 hp
- Result: 13.41 hp
- Convert 50 kw to hp:
- Multiply 50 by 1.34102
- 50 × 1.34102 = 67.051 hp
- Result: 67.05 hp
- Convert 5 kw to hp:
- Multiply 5 by 1.34102
- 5 × 1.34102 = 6.7051 hp
- Result: 6.71 hp
Conversion Chart
This chart shows how kilowatts convert to horsepower across a range from -7.0 to 43.0. To read it, find your kw value on the left column, then move horizontally to see the corresponding hp. It’s useful for quick reference or estimating conversions without calculator.
| kW | hp |
|---|---|
| -7.0 | -9.39 |
| -6.0 | -8.05 |
| -5.0 | -6.70 |
| -4.0 | -5.36 |
| -3.0 | -4.02 |
| -2.0 | -2.68 |
| -1.0 | -1.34 |
| 0.0 | 0.00 |
| 1.0 | 1.34 |
| 2.0 | 2.68 |
| 3.0 | 4.02 |
| 4.0 | 5.36 |
| 5.0 | 6.70 |
| 6.0 | 8.05 |
| 7.0 | 9.39 |
| 8.0 | 10.73 |
| 9.0 | 12.07 |
| 10.0 | 13.41 |
| 20.0 | 26.82 |
| 30.0 | 40.23 |
| 40.0 | 53.64 |
| 43.0 | 57.78 |
Use this chart to quickly find approximate horsepower from kilowatts by matching your value and reading across.
Related Conversion Questions
- How many horsepower is 18 kw in a motor’s power rating?
- What is the equivalent in hp for 18 kw in industrial equipment?
- Can I convert 18 kw to hp for car engine power?
- How does 18 kw compare to horsepower in generator capacities?
- What is the horsepower output if I have 18 kw of electrical power?
- Is 18 kw enough for a specific horsepower requirement in machinery?
- How do I convert a 18 kw power rating to horsepower for a pump?
Conversion Definitions
“kw” (kilowatt) is a unit of power measurement representing 1000 joules per second, used to quantify electrical, mechanical, or thermal power outputs across various systems, indicating the rate at which work is done or energy is transferred.
“hp” (horsepower) is a traditional unit of power equal to about 745.7 watts, historically used to measure engine and motor power, expressing the ability to perform work over time, especially in automotive and mechanical contexts.
Conversion FAQs
What is the significance of converting kw to hp?
Converting kw to hp helps compare power ratings across different measurement systems, especially when selecting machinery, engines, or motors, allowing for more intuitive understanding and ensuring compatibility with equipment specifications.
Can I directly convert any kw value to hp using the same formula?
Yes, the conversion factor of 1.34102 applies universally for electrical power measurements. However, for mechanical power sources like engines, slight variations may occur based on efficiency or specific standards, so always verify if precision is needed.
Why is the conversion factor 1.34102?
This factor is derived from the relationship between watts and horsepower, where 1 hp equals 745.7 watts, and 1 kw equals 1000 watts. Dividing 1000 by 745.7 yields approximately 1.34102, linking the two units mathematically.
Is there a difference when converting kw to hp for electrical versus mechanical systems?
In most cases, the same conversion factor applies because both electrical and mechanical power can be expressed in watts and horsepower. However, mechanical systems might involve efficiencies or losses that alter the effective horsepower output.
How accurate is the 1.34102 conversion factor for practical purposes?
For general calculations and most engineering applications, using 1.34102 provides sufficient accuracy. For highly precise work, consider system-specific efficiencies or standards that might slightly adjust the conversion.