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Power Converter

Convert power units including Watts, Horsepower (HP), Kilowatts (kW), and BTUs. Precise energy transfer conversion. Fast, free, and 100% private browser tool.

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Processed 100% locally in your browser. Your files never touch an external server.

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100% Client-Side Privacy•No File Size Limits•Free Forever

About Power Converter

FusioFiles 100% Client-Side Privacy Guarantee

Your files and data never leave your browser — processed directly on your device.

Zero Server UploadsExecution occurs entirely in browser memory via WebAssembly and HTML5 Canvas.

HIPAA & GDPR ReadySafe for confidential tax forms, medical records, financial sheets, and legal contracts.

Zero Cloud LatencyInstant results with no upload delays, server queues, or third-party tracking.

Automatic RAM PurgeBuffers and caches are automatically wiped clean the instant you close the tab.

Select Value

Enter your power figure into the target unit's input field.

Verify Output

View the equivalent values in the conversion list instantly.

Compare Standards

Easily switch between US Mechanical and Metric standards.

FusioFiles Power Converter is an essential utility for electricians, automotive enthusiasts, and HVAC technicians. Convert between electrical Watts, mechanical Horsepower, and thermal BTU/hr with professional-grade accuracy. Handle complex unit conversions instantly without leaving your browser or sacrificing privacy.

Key Features

Automotive & Electric

Seamlessly convert HP to kW and vice versa.

Thermal Units

Full support for BTU/hr and Calories per second.

High Speed

Blazing fast client-side calculations.

Frequently Asked Questions

In standard mechanical terms, 1 Horsepower (HP) is approximately 745.7 Watts.

Horsepower is a mechanical unit primarily used in the US/UK, while Kilowatts (kW) is the standard metric unit for power.

Yes, 1 BTU per hour is approximately 0.293 Watts.

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Last updated on March 22, 2026