Molecular Weight Calculator

Created by Łucja Zaborowska, MD, PhD candidate
Reviewed by Bogna Szyk and Jack Bowater
Last updated: May 17, 2022
This molecular weight calculator finds the molecular weight of organic compounds based on their empirical formula. The atomic molecular weights are used according to their naturally-occurring isotope ratios, so this calc is not suitable for accurate mass determination in mass spectrometry.
Łucja Zaborowska, MD, PhD candidate
1st Element
Atom
Hydrogen (H)
No. of atoms
1
2nd Element
Atom
Select...
No. of atoms
1
Your molecule:
Molecular weight: 1 u.
Chemical formula: H
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