Power calculator
Enter value in any of the fields to convert between Power measurements:
Free Online Power Converter — Convert Watts, Kilowatts, Horsepower, and More Instantly
Quickly and accurately convert power units between Watts (W), Kilowatts (kW), Horsepower (hp), Foot Pounds per Minute (FPM), and BTUs per Minute (BTU/min) using our Online Power Calculator. No installation or registration required — it works directly in your browser.
How to Use the Power Calculator
- Enter your value in any input field (Watts, Kilowatts, Horsepower, FPM, or BTU/min).
- The calculator automatically converts to all other power units.
- Click Clear to reset all fields.
Supported Power Units
- Watts (W) — the standard unit of power.
- Kilowatts (kW) — 1 kW = 1000 W.
- Horsepower (hp) — commonly used for engines and motors.
- Foot Pounds per Minute (FPM) — power in imperial units.
- BTUs per Minute (BTU/min) — thermal energy per unit time.
Why Use This Online Calculator?
- ⚡ Instant conversion between all major power units.
- 💻 Fully browser-based — no software or login needed.
- 📱 Mobile-friendly and responsive design.
- 🎓 Perfect for students, engineers, electricians, and everyday calculations.
Examples
Example 1: 1000 W = 1 kW = 1.341 hp
Example 2: 1 hp = 745.7 W = 0.7457 kW
Example 3: 50 W = 2.8435 BTU/min
Example 4: 33000 FPM ≈ 1 hp
Whether you’re designing electrical circuits, calculating engine power, or converting energy units for engineering projects, our free Power Calculator provides fast and accurate results anytime.
FAQ — Power Calculator
1. How do I convert Watts to Horsepower?
Enter a value in Watts and the calculator will automatically show the equivalent in Horsepower, Kilowatts, FPM, and BTU/min.
2. Can I convert BTU/min to Watts?
Yes, simply enter the BTU/min value, and all other power units will be calculated instantly.
3. Is this power calculator free?
Absolutely. It’s completely free, online, and requires no registration or installation.
4. Can I use it on mobile devices?
Yes, it is fully responsive and works on smartphones, tablets, and desktops.
