- Accelware: Unit Conversion Tool - Downloadable tool to convert between over 2000 units in many categories.
- CalcExpert - A free unit conversion software utility that carries out conversions between over 2000 units of measure.
- Convert - Handles metric, imperial, US, and user-defined units for common and engineering measurements. Includes common constants. Customizable for Win9x and later versions. By Josh Madison.
- Converter - Firefox extension for contextual unit conversions, timezone conversions and currency conversions.
- KamLex - Unit conversion software for Windows 2000/XP/Vista.
- Unit Conversion Tool - Engineering and scientific unit conversion software for the Windows operating system.
- Unit Converter Pro - A unit conversion utility for students, teachers, and practitioners in engineering. Offers a wide range of categories.
- Units of Measurement for Ada - Free software by Dmitry A. Kazakov. Includes details of the features, ready-to-use executables and user guide.
- Universal Converter - A unit converter for Windows that carries out conversions between many units in a wide range of categories.
