Molecular Weight Calculator

Calculate molecular weight from chemical formula. Parses element symbols and subscripts.

Molecular Weight

18.015 g/mol

Element Breakdown

H × 22.016 g/mol
O × 115.999 g/mol

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Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.