Molar Mass Calculator

Mathematics

Compute molar mass from a chemical formula such as H2O or C6H12O6.

Calculated Result
180.156 g/mol
Formula: Σ count × atomic weight

About this calculator

Type a formula. Subscripts and groups like Ca(OH)2 work. A centered dot hydrate (CuSO4·5H2O) is allowed. Unknown symbols fail.

How It Works & Formula

FormulaM = Σ count(element) × atomic weight

The parser walks elements and groups, then Σ count × atomic weight.