Percent Yield Calculator

Calculate percent yield, theoretical yield, or actual yield for chemical reactions. Essential for chemistry lab calculations.

g
Mass of product actually obtained
g
Maximum possible product mass
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Percent Yield
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Calculation Breakdown

Step-by-step percent yield calculation

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Percent Yield
%
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Actual Yield
Obtained
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Theoretical Yield
Expected
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Efficiency
Rating
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Percent Yield Formulas

Key yield calculation concepts

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Percent Yield Tips

Understanding yield calculations

🧪 Chemical Disclaimer: This percent yield calculator uses the formula % Yield = (Actual Yield / Theoretical Yield) × 100. Theoretical yield is calculated from stoichiometry. Actual yield is what is obtained in the lab.
Percent Yield Calculator  •  % Yield = (Actual / Theoretical) × 100  •  For educational purposes