Molar Mass Calculator

Calculate the molar mass of any chemical formula

Chemical Formula

Amount (grams) — optional

About

Molar mass = sum of atomic masses × count for each element. Uses standard atomic weights from IUPAC. Enter formulas with proper capitalization (e.g., C6H12O6 for glucose, not c6h12o6). Moles = mass (g) ÷ molar mass (g/mol).