Use this chemistry calculator to reproduce a named relationship with explicit quantities and units for study, laboratory planning, or an independent numerical check.

Product moles (mol)

Moles of product formed at full conversion.

Molar mass (g/mol)

Molar mass of the product.

Percent yield (%)

Percent yield between zero and one hundred.

Compute the actual product mass from product moles, molar mass, and a percent yield. The tool evaluates the supplied inputs together and returns the named outputs below; it does not infer omitted operating conditions or change the units shown.^[1]

Actual mass (g)

Actual mass of collected product.

• Stoichiometric results assume the balanced reaction, stated purity, and complete conversion to the selected products. Yield, selectivity, side reactions, moisture, and measurement uncertainty must be handled separately.
• Use finite inputs in the displayed units and preserve more precision than the final presentation requires. Independently verify safety-critical, financial, compliance, or production decisions.

Check units and significant figures, compare the result with limiting cases, and use measured or source-specific constants where available. Laboratory, safety, and regulatory decisions require validated methods and appropriate uncertainty analysis.

• Percent Yield Calculator

  Compare an actual product mass against the theoretical yield as a percentage.

• Theoretical Yield Calculator

  Compute the maximum product mass from the limiting reagent amount and product molar mass.

• Atom Economy Calculator

  Compute atom economy as desired product molar mass over total products molar mass times 100.