MagicKit.ai

Molecular Weight Calculator

Calculate molecular weight and molar mass of chemical compounds. Enter formulas to get weights.

How to Calculate Molecular Weight

  1. 1 Enter the chemical formula in the input field (e.g., H2O, C6H12O6)
  2. 2 Click Calculate to compute the molecular weight
  3. 3 View the molar mass in grams per mole
  4. 4 Review the elemental composition breakdown

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Last updated: January 15, 2026 · v2.1