Tables for Chemistry

Chemical formula calculator

Enter formula below

You may use parenthesis, '(' and ')', and some common abbreviations (Me, Et, Pr, Bu, Ph, Bn, Tr, Ac, Bz, Piv, Ms, Ts). Some characters are ignored to facilitate cut & paste.
The formula in Hill notation, the molecular mass and the elemental composition are returned.
There is no syntax checking - so Garbage In => Garbage Out