Power Converter — Free Online

Convert watts, HP, BTU/h

Free, fast, and runs entirely in your browser — no signup, no upload to a server.

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Sources we checked for Power Converter

• ISO 80000 — quantities and units — International standard for unit symbols.
• NIST unit conversion factors — Reference conversion factors we validate against.
• Legal Metrology, Government of India — Indian rules on units in trade and packaging.
• web.dev by Google — Practical guidance on performance and web quality.