Tool
Molecular Mass Calculator
Parse chemical formulas and inspect element-by-element molar mass contributions.
Molecular mass calculator
Enter a formula using standard element symbols. Parentheses are supported for school-level compounds such as Ca(OH)2.
Valid formula
18.015 g/mol
| Element | Count | Atomic mass | Subtotal |
|---|---|---|---|
| HHydrogen | 2 | 1.008 | 2.016 |
| OOxygen | 1 | 15.999 | 15.999 |