Biology & Genetics
Biology calculators for population genetics, bacterial growth, serial dilutions, colony counts, nucleic acid quantification and PCR primer design, each stating the assumptions the model rests on.
Punnett Square Calculator
Work out the genotype and phenotype ratios from a single-gene cross.
Dihybrid Cross Calculator
Calculate phenotype ratios for a two-gene cross, including the classic 9:3:3:…
Hardy-Weinberg Equilibrium Calculator
Calculate genotype frequencies from allele frequencies under Hardy-Weinberg e…
Allele Frequency Calculator
Calculate allele frequencies from observed genotype counts, with the Hardy-We…
DNA Concentration Calculator
Calculate nucleic acid concentration from A260 absorbance, for double-strande…
Hardy-Weinberg Calculator
Calculate genotype frequencies as decimals from one allele frequency.
Bacterial Growth Calculator
Project bacterial population growth from a doubling time.
Serial Dilution Calculator
Calculate the concentration remaining after a series of dilution steps.
CFU Calculator
Calculate colony forming units per millilitre from a plate count.
PCR Primer Melting Temperature Calculator
Estimate primer melting temperature with the Wallace rule, plus GC content an…
Cell Doubling Time Calculator
Calculate doubling time and growth rate from two cell counts and the interval…
Dilution Factor Calculator
Calculate dilution factor and the cumulative dilution after any number of ser…
Protein Concentration Calculator
Calculate protein concentration from A280 absorbance using the Beer-Lambert l…
Generation Time Calculator
Calculate microbial generation time and growth rate from a population change.
Molarity to Percent Calculator
Convert molarity into percent weight/volume, grams per litre and the mass to …
About the biology & genetics
Biology calculators for population genetics, bacterial growth, serial dilutions, colony counts, nucleic acid quantification and PCR primer design, each stating the assumptions the model rests on. There are 15 calculators in this category, and each one shows the formula it uses, works instantly as you type, and keeps your figures on your own device.
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