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
Percent Yield
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%
Actual Yield
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Obtained
Theoretical Yield
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Expected
Efficiency
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Rating
Percent Yield Formulas
Key yield calculation concepts
Percent Yield Tips
Understanding yield calculations
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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.