🧬 Biology
Population growth, genetics and life-science calculators. · 5 calculators
Population Growth Calculator
Project future population size from an initial population, growth rate and number of periods, free online.
Punnett Square Calculator
Cross two genotypes and see the resulting genotype ratio and dominant/recessive phenotype percentages, free online.
GC Content Calculator
Calculate the GC content percentage of a DNA sequence instantly, free online.
Body Surface Area Calculator
Calculate body surface area (BSA) from height and weight using the Mosteller formula, free online.
Doubling Time Calculator
Calculate how many periods it takes a population to double at a given growth rate, free online.