How does the Hardy-Weinberg Calculator work?

p + q = 1 (allele frequencies) Then: p² + 2pq + q² = 1 (genotype frequencies) Then: p² = AA · 2pq = Aa · q² = aa Then: Five conditions: random mating, no mutation, no migration, large N, no selection.

Can you give an example of how to use the Hardy-Weinberg Calculator?

Example: Input p = 0.7 gives a result of AA=49%, Aa=42%, aa=9% (0.7²=0.49; 2×0.7×0.3=0.42; 0.3²=0.09).

Is the Hardy-Weinberg Calculator free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the Hardy-Weinberg Calculator?

Our Hardy-Weinberg Calculator uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

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Hardy-Weinberg Calculator

🧬Hardy-Weinberg Equilibrium

Frequency of dominant allele (p)

0 to 1

The Hardy-Weinberg principle states that in a large randomly mating population free from evolution, allele and genotype frequencies remain constant. p²+2pq+q²=1.

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Did You Know?

Independently derived in 1908 by Hardy (mathematician) and Weinberg (physician).

References

›Hardy-Weinberg principle — Wikipedia

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Population Genetics Explained: Hardy-Weinberg, Drift, and Natural Selection

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Hardy-Weinberg Calculator

🧬Hardy-Weinberg Equilibrium

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🧬Hardy-Weinberg Equilibrium