← Back to Science
Science · 🔬

Stoichiometry Calculator

Calculate product amount from a reactant amount and coefficient ratio.

Enter Values

Enter a numeric value.
Choose the unit.
Enter a numeric value.
Enter a numeric value.
Choose the unit.

Calculation Result

Enter the values and select Calculate to see the result.

How It Works

n₂ = n₁(c₂/c₁)

Use consistent units or select the units you need.

How to use this calculator

What to enter

Enter or select the following as requested: Reactant amount; Amount unit; Reactant coefficient; Product coefficient; Product amount. Follow the units, valid ranges, examples, and options displayed beside each field.

What the result means

The scientific or engineering result follows the formula and units used by the calculator with the values entered. Check unit consistency, significant figures, assumptions, and whether the model applies to the material or conditions being studied.

When to use it

Use this for calculation checks, study, or preliminary engineering estimates. Validate critical laboratory, process, or safety decisions with the appropriate method, standards, and qualified review.