Horsepower to Kilowatts conversion
Horsepower to Kilowatts conversion. Exact conversion factors, worked examples, and privacy-first browser calculation on CalculatorX. Try it free.
Enter values to convert.
Formulas
Core equations used by this converter.
How to use
Choose hp → kW or kW → hp
Use the tabs to switch direction. Forward mode needs horsepower; reverse uses the opposite unit.
Enter the value
Type a non-negative value in the active unit field.
Convert and read the result
Use Convert or let the result update automatically.
Example conversions
Common values with formula and result.
10 hp (mechanical) to kW
10 hp (mechanical) to kW
100 hp (mechanical) to kW
100 hp (mechanical) to kW
10 hp (metric) to kW
10 hp (metric) to kW
5 hp (electrical) to kW
5 hp (electrical) to kW
Horsepower to Kilowatts conversion specification
Version 1.1.0 · Engine tested
- Engine tested 4 published cases
- Named expert review Not performed
- Calculation version 1.1.0
- Definition
- Horsepower (hp) converts to kW using a fixed linear factor. Convert horsepower (hp) to kilowatts (kW). Mechanical hp: 1 hp = 0.745699872 kW. Also covers electrical and metric (PS) hp, examples, and chart.
- What it calculates
- Value between hp and kW. Switch direction with the converter tabs.
- Inputs
- Horsepower (hp) or reverse unit (kW)
- Outputs
- Converted value in kW or hp
- Formula
kW = hp × 0.74569987 · 1 hp = 0.74569987 kW- hp → kW chart
Horsepower (hp) Result (kW) 0.1 hp 0.07457 kW 1 hp 0.7457 kW 2 hp 1.4914 kW 5 hp 3.7285 kW 10 hp 7.457 kW 20 hp 14.914 kW 50 hp 37.285 kW 100 hp 74.57 kW - Assumptions
- Conversion runs locally in the browser; values are not uploaded.
- Uses the standard factor/definition for these units.
- Units
- hp → kW
- kW → hp
- Boundary conditions
- Empty or non-numeric input yields no valid result.
- Non-negative values are expected for physical quantities.
- Example
- 1 hp → 0.7457 kW
- Validation cases
- 1 hp → 0.74569987 kW
- 10 hp → 7.4569987 kW
- 50 hp → 37.284994 kW
- 100 hp → 74.569987 kW
- Sources
- SI / international unit definitions where applicable
- CalculatorX conversion factors (local runtime)
- Calculation version
- 1.1.0
Background
Interpretation and common distinctions.
Use the converter tabs to switch direction when available. Results for Horsepower to Kilowatts conversion update locally in your browser.
Related tools
Frequently asked questions
Key distinctions behind the conversion.
How do you convert using Horsepower to Kilowatts conversion?
Use 1 hp = 0.745699872 kW. Example: 10 hp (mechanical) to kW → 7.45699872 kW ≈ 7.457 kW.
Can I switch direction?
Use the converter tabs when available, or open the related reverse tool from Related.
Does this run online or locally?
Calculation runs locally in your browser. Values are not uploaded.
How precise are the results?
Results follow the formulas on this page. Round to the precision your use case needs.