Percent Yield Calculator
Find the percent yield of a chemical reaction.
Result
How to use
- Enter your values in the fields above.
- Press Calculate to see your result instantly.
- Use the Share button to copy a link to your result.
About this calculator
This calculator computes reaction percent yield: % yield = (actual yield / theoretical yield) × 100, comparing what was actually produced in the lab against the maximum predicted by stoichiometry from the limiting reagent.
Chemistry students, lab technicians, and process chemists use it to evaluate how efficient a reaction or synthesis was, and to flag losses from side reactions, incomplete reactions, or purification steps. Enter the actual and theoretical yields to get the percent yield.
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