Molar Mass Calculator
Calculate molar mass of chemical compounds with element breakdown.
🧪
Molar mass calculator
Enter the chemical formula
💡 Tips:
- Write the chemical symbols in capital letters (C, H, O, N, Na, Cl...)
- Use numbers to indicate the number of atoms
- Use parentheses to indicate the number of groups
- Examples: H2O, CO2, NaCl, C6H12O6, Ca(OH)2
Common formulas
📈 Periodic table (Reference)
H
C
N
O
Na
Cl
Ca
K
S
P
Fe
Cu
Zn
Ag
Click the symbol to add it to the formula
Rounded reference atomic masses from PubChem (2026-10-02).