Atom Economy Calculator — Free Online Tool
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Atom Economy Calculator

Calculate the efficiency and green chemistry score of a reaction

Formula: Atom Economy = (Molar Mass of Desired Product / Total Molar Mass of All Reactants) × 100. This evaluates how many reactant atoms end up in the final useful product.
Reaction Mass Data

Calculation Results

⚠️ Atom economy is a theoretical measure of reaction efficiency assuming 100% yield. It is different from "Percent Yield," which measures the practical success of a reaction in the laboratory.

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