olecular Weight Calculator is lab calculator for calculating molar mass in g/mol from any molecular formula given. It's easy to use and free tool for laboratory. Molar mass calculation is the base any solution preparation procedure.

Molecular Weight Calculator designed with embedded periodic table, to insert element into chemical formula.


  • Handy and easy to use.
  • Calculate molar mass of any molecular formula.
  • Embedded periodic table.
  • Accurate calculations base on NIST periodic table.

System Requirements

  • Windows XP, Vista, 7, 8


How to use Molecular Weight Calculator?
  1. Run Molecular Weight Calculator.
  2. Enter molecular formula.
  3. Press Insert button to insert element from periodic table
  4. Press Calculate or Enter to calculate molar mass.

Get The Latest Version

Version 1.1
Released on Sep, 1, 2014
License: Freeware.



What's New In Version 1.1

Sep, 1, 2014
  • Fix calculation
  • General improvements

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