Theoretical Yield Calculator

Limiting Reagent
Desired Product



Molecular weight


Theoretical Yield


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Sarah Taylor

Sarah Taylor

Last Updated November 23 - 2021

I am a professional Chemist/Blogger & Content Writer. I love to research chemistry topics and help everyone learning Organic & Inorganic Chemistry and Biochemistry. I would do anything to spend vacations on a Hill Station.

Introduction to Theoretical Yield Calculator

A theoretical yield calculator serves as an online way to find the hypothetical outcome of a chemical reaction. Since the procedure of calculating theoretical yield is quite lengthy and involves so many calculations, this online chemical calculator helps the users to get the results in just a while.

What is a Theoretical Yield?

Before starting a chemical reaction, we assume the prospective yield of that reaction. In other words, the maximum concentration of a product that a chemical reaction can produce is called theoretical yield. However, getting the theoretical yield from a reaction is not practically possible since some product is always lost during the process.

If you still want to get the products equal to theoretical yield, you have to maintain the perfect reaction conditions, which is also not possible. These ideal conditions involve reactants free of all the impurities, absence of any byproduct formation, and not even a negligible amount of product wasted during filtration or measurements.

How to calculate Theoretical Yield?

To calculate theoretical yield, you have to follow some steps. Even if you follow all the actions accurately, without any mistake, you will know how many grams of a product is produced by a reagent.

  1. First of all, balance the chemical equation. If an equation is not balanced, you won't figure out the actual molecular weight and number of moles of each reagent. For this purpose, you can use our equation balancer!
  2. After balancing the equation, convert all the reaction entities from gram to mole. After this, find out the molar ratio present between products and reactions by dimensional analysis
  3. This molar ratio will help you identify the limiting reagent. From the quantity of limiting reagent, you can assume how much the product will form when all the limiting reactants are utilized.
  4. You can further use the values of theoretical yield and actual yield to find percent yield. You can try our percent yield calculator to find the exact deals without wasting your time!

Related:If you are going to find the yield of oxidation-reduction reactions, use our redox reaction calculator to balance the equation.

How to use Theoretical Yield Calculator?

To use the theoretical yield calculator chemistry, follow the given steps.

  1. Determine the weight, molar ratios, and molecular weight of the reactants participating in the reaction. You will find all the calculators to find these values. For example, you can find molecular weight using a molecular weight calculator.
  2. After finding all these values, enter the mass and molecular weight of the limiting reactant. After inserting the numeral values, you can also change the units such as grams, milligrams, or micrograms.
  3. Similarly, add the number of moles and molecular weight of the desired product in the corresponding box.
  4. After inserting all these values, click on the calculate icon and wait for a few seconds.

Resultantly, the calculator will show the result comprising the number of moles of desired product that will form after reaction and theoretical yield value.

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