Molecular Weight Calculator

Calculate the molecular weight of any chemical compound with our easy-to-use tool. Simply enter the chemical formula and get instant results.

Enter Chemical Formula

Use standard chemical notation (e.g., H2O for water, C6H12O6 for glucose)

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0 g/mol

H2O

Water

CO2

Carbon Dioxide

NaCl

Sodium Chloride

C6H12O6

Glucose

NH3

Ammonia

CH4

Methane

C2H5OH

Ethanol

CaCO3

Calcium Carbonate