Limiting reagent estimator

Limiting reagent estimator: calculate a transparent estimate from the values and assumptions you provide.

Limiting reagent estimator: calculate a transparent estimate from the values and assumptions you provide.

Both dots and commas are accepted as decimal separators.

Your inputs stay in your browser. Displayed results are rounded to a maximum of 12 significant digits.

Method and assumptions

Method version 1.0.0 · Updated

Calculate

Formula: Compare nᵢ / coefficientᵢ; product amount = minimum × product coefficient

Limiting reagent estimator: calculate a transparent estimate from the values and assumptions you provide.

molesA
Amount of reactant A (mol)
coefficientA
Stoichiometric coefficient of A
molesB
Amount of reactant B (mol)
coefficientB
Stoichiometric coefficient of B
productCoefficient
Coefficient of selected product

Compares two reactants in an already balanced equation; does not predict experimental losses.

Calculate with code

These short examples use the same inputs and core calculation as this tool. Adapt validation and formatting to your application.

JavaScript
const extent = Math.min(4 / 2, 3 / 1); // 2 reaction units; A limits