Biology

Hardy-Weinberg Calculator

Calculate allele and genotype frequencies using Hardy-Weinberg equilibrium.

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Move between population genetics, population growth, DNA composition, Mendelian inheritance and cell geometry.

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Hardy-Weinberg Calculator is an educational biology tool for exploring a standard quantitative model.

How it works

Enter the requested values and use the displayed units or conventions. The calculator validates the numerical domain and applies p + q = 1; p² + 2pq + q² = 1.

The formula

p + q = 1; p² + 2pq + q² = 1

Variables: p = Allele p frequency.

Worked example

Example: p = 0.6 → q = 0.4, AA = 36%, Aa = 48%, aa = 16%.

Frequently asked questions

What is this biology calculator intended for?

It is intended for biology study, classroom exercises and understanding the quantitative relationship represented by the model.

Does this model describe every real biological system?

No. Biological models depend on assumptions and simplify real systems. Interpret the result within the assumptions of the selected model.

Last content reviewSeptember 25, 2026
Editorial reviewHe-Sab Editorial Review

Sources and references

These sources are used to verify terminology, formulas, and information related to this calculator.