Biology calculators
Genetics, cell growth, and lab counting tools for coursework and the bench.
8 calculators
Cell Doubling Time Calculator
Calculate cell doubling time from initial and final counts and culture duration to plan passages, compare growth rates, and monitor cell cultures.
Cell Viability & Cytotoxicity Calculator
Calculate live-cell viability and cytotoxicity percentages from live and dead cell counts for clear, repeatable cell-culture experiment summaries.
DNA Percent GC Content Calculator
Calculate DNA GC content from A, T, G, and C base counts to compare sequences, assess composition, and support primer-design planning.
Hardy-Weinberg Equilibrium Calculator
Calculate expected Hardy-Weinberg allele and genotype frequencies from p or recessive phenotype frequency for population-genetics teaching and analysis.
Hemocytometer Cell Counter
Calculate cells per milliliter from hemocytometer counts, dilution factor, and squares counted for practical cell-culture and laboratory counting workflows.
MOI (Multiplicity of Infection) Calculator
Calculate multiplicity of infection, infectious units, or target cells to plan laboratory viral-transduction and infection experiments with transparent inputs.
Primer Melting Temperature (Tm) Calculator
Estimate DNA primer melting temperature from oligo length, GC content, and sodium concentration for quick, practical PCR primer-planning comparisons.
Punnett Square Calculator
Predict monohybrid offspring genotype and dominant-phenotype probabilities from parental allele counts with a clear digital Punnett square calculation.