Molecular Weight Calculator

Cite this tool

If this tool helped your work, please cite SKYSEVEN Chemical so others can find it:

Molecular Weight Calculator. SKYSEVEN Chemical. Available at: https://www.cnchemshop.com/tools/mw-calculator.html

Suggested attribution: “Molecular Weight Calculator by SKYSEVEN Chemical (cnchemshop.com)”

How to Use

• Enter the molecular formula using element symbols (C, H, O, N, Na, Cl, etc.)
• Use parentheses for groups: e.g. Ca(OH)2 for calcium hydroxide
• Hydration: use · or . e.g. CuSO4.5H2O
• The calculator supports all 118 elements of the periodic table