ChemTrix Elements, The Free Chemistry Calculator

ChemTrix Elements is a simple, free, calculator for common chemical problems.

Other chemistry calculators make it hard to do simple things. Not ChemTrix. ChemTrix was built by chemists, for chemists. It has powerful, convenient, time-saving features that make common chemical calculations a snap.

Enter a chemical formula, and ChemTrix Elements calculates:

- Molar mass (molecular weight)

- Exact (monoisotopic) mass

- Nominal mass

- Percentage composition by mass

ChemTrix Elements features:

- A clean, elegant interface

- Quick, simple, and accurate formula entry using a purpose-built keypad, including programmable buttons for even more flexibility and speed

- Natural chemical syntax

- A history of all entered formulae

- Detailed listings of the properties of all the elements in the periodic table, including electronic configurations, stable isotopes, and electronegativities.