# Hardy Weinberg Calculator

> Hardy Weinberg calculator: compute allele and genotype frequencies p, q, p2, 2pq, and q2 from dominant phenotype counts. Free, runs in your browser offline.

- **Canonical URL:** https://boringtoolskit.com/hardy-weinberg-calculator/
- **Category:** Biology
- **Evidence level:** catalogue
- **Reviewed:** July 26, 2026
- **Last verified:** 2026-10-12
- **Privacy:** Inputs and results stay in this browser unless the page clearly labels an external request.

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