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EngiLab Units 2025/Full history

EngiLab Units 2025 v5.0 (Current version)
Release: Nov. 10, 2024

  • Added 8 new units in the Mass category: kip·s²/m, lbf·s²/mm, lbf·s²/cm, lbf·s²/m, kip·s²/mm, kip·s²/cm, kip·s²/in, kip·s²/ft. Now there are 724 Units in total, in 22 Categories.
  • The “Calculate all Outputs” now reports the units in alphabetical order (with the exception of the special categories “Computer” and “SI Prefixes”).
  • Other minor bug fixes and improvements.

EngiLab Units 2023 v4.0
Release: Aug. 19, 2022

  • Added 1 new unit in the Power category: horsepower [Electrical]
  • New option: To use the “_” character or the space character when the user clicks the button “Calculate all Outputs”.
  • On the fly conversion, as the user types the input value. No need to press the “ENTER” button to perform the conversion.
  • New detailed page in the Help File of the program (and the user manual) with the “Definitions, assumptions and values of standard variables”.
  • More detailed information provided in the Help File for the definition of Energy units such as calorie, BTU, etc.
  • In the Energy category: Small change in the definition of the electronvolt, according to the 2019 redefinition of the SI base units. Now the electronvolt is defined exactly.
  • In the Energy category: Small change in the definition of the BTU-related unit: BTU [Thermochemical TH] (BTU_TH).
  • Other minor bug fixes and improvements.

EngiLab Units 2022 v3.5
Release: Jan. 19, 2022

  • One new Unit category added: Rotational (Torsional) Stiffness with 70 Units.
  • 22 Unit categories with 715 Units are now supported in total.
  • Other minor improvements.

EngiLab Units 2022 v3.2
Release: Oct. 15, 2021

  • New "Show info" button for the Categories.
  • New option to show unit "Symbol+Description" or simply "Symbol".
  • One new unit category added: Surface Tension and Translational Stiffness (35 units).
  • 4 new Angle units.
  • 18 new Angular Velocity units.
  • 1 new Mass unit.
  • 1 new Solid Angle unit.
  • 2 new Torque units.
  • 35+4+18+1+1+2=61 new units in total.

EngiLab Units 2021 v3.1
Release: July 13, 2021

  • Bug fixes and other minor improvements.

EngiLab Units 2021 v3.0
Release: July 10, 2021

  • One new unit category added: Power (59 units).
  • Better representation of the results when the user clicks on “Calculate all Outputs”.
  • New WebView control for better rendering the Wikipedia web pages.

EngiLab Units 2018 v2.2
Release: Mar. 17, 2018

  • One new unit category added: Angular Velocity (54 units)
    Added “Show/Hide Browser Window” button.

EngiLab Units 2018 v2.1
Release: Oct. 8, 2017

  • 5 New units were added to the category “Pressure and Stress”: 1. foot of mercury [conv.] (ftHg), 2. millimetre of water [conv.] (mmAq), 3. centimetre of water [conv.] (cmAq), 4. inch of water [conv.] (inAq), 5. foot of water [conv.] (ftAq).

EngiLab Units 2018 v2.0
Release: Oct. 1, 2017

  • 3 New unit categories added: Temperature (8 units); Second Moment of Area (16 units); and Solid Angle (10 units).
  • 1 new unit added to Category Angle: microradian.
  • 8+16+10+1=35 new units in total.
  • A program menu was added with File and Help items in it.
  • A help button was added, showing help for each unit category.
  • F1 button now shows the help file of the program.
  • The installation package is now signed with a code-signing certificate. The certificate verifies the publisher's identity (EngiLab SMPC) during installation.

EngiLab Units 2017 v1.0
Release: Jan. 15, 2017

(First Release)