Convert Watts to Horsepower (W to hp)
Watt to Horsepower Converter
Formula
To convert watts to horsepower, multiply the power value by 0.00134102.
Watt Definition
The SI unit of power, equal to one joule per second.
Named after James Watt, the Scottish inventor and mechanical engineer.
Horsepower Definition
A unit of power originally defined as the power needed to lift 550 pounds by one foot in one second.
Introduced by James Watt in the 18th century to compare steam engines to horses.
| Watt (W) | Horsepower (hp) |
|---|---|
| 100 | 0.134102 |
| 500 | 0.67051 |
| 1000 | 1.34102 |
| 2000 | 2.68204 |
| 5000 | 6.7051 |
| 10000 | 13.4102 |
Converting Watts to Horsepower
To convert watts to horsepower, multiply the power value by 0.00134102. This page provides comprehensive information about this conversion, including unit definitions, formulas, real-world examples, and frequently asked questions.
Unit Definitions
Description
One joule per second, the SI unit of power.
History
Named after James Watt, the Scottish inventor and mechanical engineer.
System
The watt belongs to the SI system of measurement.
Common Uses
- Electrical devices
- Light bulbs
- Small appliances
- Electronics
Description
Originally defined as power to lift 550 lb-ft/sec.
History
Introduced by James Watt in the 18th century to compare steam engines to horses.
System
The horsepower belongs to the imperial system of measurement.
Common Uses
- Engines
- Motors
- Machinery
Conversion Formula
Watt to Horsepower
To convert watts to horsepower, multiply the power value by 0.00134102.
Horsepower to Watt
To convert Horsepower to Watts, hp / 0.00134102.
About Watt to Horsepower Conversion
Converting from Watts (W) to Horsepower (hp) is a commonpower conversion, especially when working between the SI and imperial systems. This converter provides a reliable way to convert any value from Watts to Horsepower with high precision.
To convert watts to horsepower, multiply the power value by 0.00134102. This ensures accurate results whether you're working with everyday measurements or technical specifications.
Why Convert Between Watts and Horsepower?
Power conversions between Watts and Horsepower are frequently needed in various situations:
- International travel and communication
- Engineering and technical documentation
- Science and academic research
- Cooking and recipes from different regions
- Manufacturing and product specifications
- Engine and motor specifications
Since the SI system is used primarily in the United States and a few other countries, while the imperial system is common in the United States and a few other countries, converting between these systems is essential for global communication and understanding.
Conversion Accuracy
Our Watt to Horsepower converter uses the precise conversion factor to provide accurate results. While some may use simplified approximations for quick mental calculations, this converter ensures high precision for all applications, from everyday use to scientific and engineering calculations.
For everyday use, you can often use simplified conversion factors, but for technical work, the full precision offered by this converter is recommended.
Practical Applications
Converting between Watts and Horsepower has numerous practical applications:
- Comparing engine and motor specifications
- Electrical system design and planning
- Energy consumption analysis
- HVAC system sizing and selection
Having a reliable converter ensures accuracy in these applications, preventing costly errors and ensuring consistency across different measurement systems.
Historical Context
The relationship between Watts and Horsepower has evolved over time:
Understanding these historical contexts helps explain why we need these conversions and why certain conversion factors are used.
Watt to Horsepower Conversion Table
This table provides common conversion values from Watts to Horsepower. Use it as a quick reference for frequently needed conversions.
| Watt (W) | Horsepower (hp) |
|---|---|
| 100 | 0.134102 |
| 500 | 0.67051 |
| 1000 | 1.34102 |
| 2000 | 2.68204 |
| 5000 | 6.7051 |
| 10000 | 13.4102 |
How to use this table: Find the Watt value in the left column, then read across to find the equivalent Horsepower value.
Conversion formula: To convert from Watts to Horsepower, multiply the watt value by the conversion factor.
Common Power Conversion Formulas
Here are some common conversion formulas for power units that you might find useful:
Multiply the power value in horsepower by 0.7457 to get kilowatts.
Divide the power value in kilowatts by 0.7457 to get horsepower.
Multiply the power value in watts by 0.001 to get kilowatts.
Multiply the power value in BTU per hour by 0.000293071 to get kilowatts.