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  1. Unit Converter with commonly used Units - The Engineering ToolBox

  2. Engineering Conversions and Equivalents

  3. Chapter 03: Units, Dimensions, and Conversions

  4. Unit Conversion Calculator - MechaniCalc

  5. Unit Converter - Knovel

  6. Conversions Table for Engineering Units - english and Metric

  7. Unit Conversion Calculator - Engineers Edge

  8. Mechanical Engineering Units and Quantities

  9. Unit Conversion - Engineering Units