Biology calculators

Human body, genetics, and life-science calculations.

Quick reference calculators for the life sciences — Punnett squares, lung capacity, protein requirements, population growth, and more.

Calculators
29
29 results
Biology / Genetics

Hardy-Weinberg Calculator

Compute the expected genotype frequencies (AA, Aa, aa) under Hardy-Weinberg equilibrium from a single allele frequency.

basic
18,463 4.8 1 min
Biology / Genetics

Allele Frequency Calculator

Compute the frequency of two alleles in a population from observed counts of homozygous-dominant, heterozygous, and homo...

basic
7,723 4.1 1 min
Biology / Microbiology

DNA Concentration Calculator

Compute DNA concentration in ng/μL from a spectrophotometer absorbance reading at 260 nm and the cuvette dilution factor...

basic
15,067 3.8 1 min
Biology / Human Body

Conception Date Calculator

Estimate the date of conception either from a known due date (subtracting 266 days) or from the first day of your last m...

basic
752 4.9 1 min
Biology / Human Body

Animal Pregnancy Calculator

Estimate the expected delivery date for common pet and livestock species from the breeding date and the species-specific...

basic
6,636 4.2 1 min