Power Converter — Quick Reference
The Power Converter is an online tool that convert watts, kilowatts, horsepower, and BTU per hour. Everything for the Power Converter is on this page: the interactive calculator, the formula, a worked example, step-by-step guidance, and frequently asked questions — no other pages required.
At a glance
- Main inputs
- Value to convert
- Source unit
- Target unit
- Main outputs
- Converted value
- Unit-to-unit factor shown below inputs
Direct answers
What is the Power Converter?
The Power Converter is an online tool that convert watts, kilowatts, horsepower, and BTU per hour.
What formula does the Power Converter use?
result = input × (factor_from ÷ factor_to) relative to the SI base unit for this type
How does the Power Converter work?
Power converts via watts. 1 hp (US) ≈ 745.7 W, 1 metric PS ≈ 735.5 W, 1 kW = 1,000 W.
Formula Used
The equation below is what this calculator applies. Variable definitions follow when symbols are used.
Equation
result = input × (factor_from ÷ factor_to) relative to the SI base unit for this type
Worked Example: Convert 1 kW to horsepower
Sample inputs and the results this calculator produces for the scenario below.
Inputs
- Value
- 1 kW
- From
- Kilowatt
- To
- US horsepower
Results
- Result
- 1.34 hp
Metric horsepower (PS) and US hp differ slightly — choose the right one for engines and motors.
How Power Converter Works
Power converts via watts. 1 hp (US) ≈ 745.7 W, 1 metric PS ≈ 735.5 W, 1 kW = 1,000 W.
What to enter
Use the calculator above to set your amounts, rates, and tenure. Results update as you move sliders or type values — switch currency if you are planning in USD, INR, or another supported unit.
Step-by-step
- Enter the value you want to convert in the Power Converter above.
- Choose the unit you have (From) and the unit you need (To).
- Read the converted result instantly — use the swap button to reverse units.
- Share or bookmark the link; your inputs stay in the URL.
Power — Frequently Asked Questions
Each question is answered directly below. Expand any item for the full response.
How does the power converter work?
Enter a value, pick the source unit and target unit. We convert instantly using standard conversion factors — watts as the base unit.
Are power converter results exact?
Results use internationally accepted conversion factors. For engineering, scientific, or legal work, verify against your required standard or instrument calibration.
Can I share my conversion?
Yes. Your amount and unit choices are stored in the URL, so you can bookmark or share the link with the same inputs.
Do I need to sign up?
No. All converters run in your browser. We do not store your inputs on our servers.
Disclaimer
- Unit conversions use standard factors for general reference — not certified metrology.
- Conversion factors follow common standards. For engineering, scientific, or legal work, verify against your required specification.
- Your inputs stay in your browser; we do not store them on our servers.
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