Format Converters100% Free Tool

Free Power Unit Converter Online

Convert power between watts, kilowatts, horsepower (mechanical, metric, electric), BTU/hour, and calories/second for engineering and electronics applications. — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.

100% Client-Side0ms Latency
Universal Unit Engine
=
328.08399

How It Works

1

Enter Power Value

Input the power value to convert.

2

Select Unit

Choose from watts, kW, MW, HP mechanical, HP metric, or BTU/hr.

3

View All Equivalents

See power in all units with vehicle and appliance context.

Frequently Asked Questions

1 mechanical horsepower = 745.7 watts. 1 metric horsepower (PS) = 735.5 watts. Car engine power is expressed in HP (mechanical in USA, metric PS in Europe).

Related Format Converters Calculators & Utilities

Interlinked precision tools in the Format Converters collection.

View all Format Converters →