Molar Mass Calculator
Enter a chemical formula to compute its molecular weight. Our database uses IUPAC standard atomic weights for high-accuracy scientific calculations.
Molar Mass
0.000
g/mol
Elemental Composition
IUPAC Standards
Calculations are based on the latest atomic weights published by the Commission on Isotopic Abundances and Atomic Weights.
Formula Support
Supports complex polyatomic ions, hydrates (using parentheses), and all 118 periodic elements.
Lab Precision
Result is provided to three decimal places, suitable for high-precision laboratory reagent preparation.