Molecular Weight Calculator

Select Compound, Element from Select Box or enter Chemical Formula and click on calculate. Result will be displayed.

Enter your values:

Organic Compounds:
Elements of the Periodic Table:
Chemical Formula:


Molecular Weight:
Molecular Weight Calculator This online calculator you can use for computing the average molecular weight (MW) of molecules by entering the chemical formulas (for example C3H4OH(COOH)3 ). Or you can choose by one of the next two option-lists, which contains a series of common organic compounds (including their chemical formula) and all the elements. The molecular mass calculator will recognize the entered formula's, which are included in the list of organic compounds.
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