Stoichiometry Calculator

Convert moles of reactant to product using mole ratio.

Scratchpad (not saved)

Save to create a persistent, shareable workspace.

What This Calculator Does

Convert moles of reactant to product using mole ratio.

It combines Reactant Moles, Reactant Coefficient, Product Coefficient to estimate Product Moles.

Formula & Method

Core equations: Mole conversion:

n_{prod}=n_{react}\cdot\frac{\nu_{prod}}{\nu_{react}}

then mass

m=nM

Notation used in the formulas: $R$ = Product Moles; $x_{1}$ = Reactant Moles; $x_{2}$ = Reactant Coefficient; $x_{3}$ = Product Coefficient.

Method summary: inputs are normalized to consistent units, core equations are evaluated, then secondary values are derived and rounded for display.

Use this calculator for quick scenario analysis. Start with baseline values, change one driver at a time, and compare how sensitive the results are to each input shown above.

Reference Book

Chemistry: The Central Science

Theodore E. Brown, H. Eugene LeMay, Bruce E. Bursten, Catherine Murphy, Patrick Woodward, and Matthew E. Stoltzfus · Pearson

A widely used general chemistry text covering stoichiometry, gases, solutions, acids and bases, and electrochemistry.

View Book

Inputs Used

Reactant Moles: Used directly in the calculation.
Reactant Coefficient: Used directly in the calculation.
Product Coefficient: Used directly in the calculation.

Related Calculators

Percentage Calculator - Perform common percentage operations: find a percentage of a value, calculate what percentage one number is of another, and find percentage change.
Fraction Calculator - Add, subtract, multiply, or divide two fractions and simplify the result.
Ratio Calculator - Simplify a ratio and compute equivalent forms.
Proportion Calculator - Solve proportions of the form a / b = c / x.
Average Calculator - Compute mean, median, and mode from up to five values.
Standard Deviation Calculator - Compute population and sample standard deviation from up to five values.
Prime Factorization Calculator - Factor an integer and derive divisor-count, divisor-sum, Euler totient, and divisor list.
GCD / LCM Calculator - Compute greatest common divisor and least common multiple of two integers.