This Molecular Formula Calculator finds the molecular formula corresponding to the given compound molar mass and its chemical composition.

Calculate molecular weight, monoistopic mass and isotopic distribution from a molecular formula.

Jun 2, 2025 · Calculate molecular formulas, molecular weights, empirical formulas, and perform various chemical composition analyses. This calculator supports element identification, stoichiometric …

Calculate empirical and molecular formulas from elemental composition data (percentage or mass). Shows step-by-step calculations and compound database matches.

Calculate empirical and molecular formulas based on percentage composition, exact mass measurements, and isotopic patterns. Convert between empirical and molecular formulas using …

Molecular Formula Calculator Molecular Formula Calculator determines the molecular formula of a compound based on its empirical formula and molar mass.

Molecular Formula Calculator This calculator has been created to assign molecular formulas from high-resolution mass spectrometry of predominately organic samples.

Calculate the empirical and molecular formula from percent composition or mass and molar mass. Free and fast chemistry calculator for students and professionals.

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This molecular formula calculator find the molecular formula of any compound based on its empirical formula and molar mass. It can handle formulas for both organic and inorganic compounds.