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Biology Calculators

Free online biology calculators — genetics, molecular biology, ecology, physiology, biochemistry, evolution, and biophysics.

200 free calculators
A260/A280 Ratio Calculator ATP Yield Calculator Action Potential Threshold Calculator Allele Frequency Calculator Alveolar Gas Equation Calculator Anion Gap Calculator Antibiotic Synergy Calculator Antimicrobial MIC Calculator Apoptosis Rate Calculator Bacterial Growth Rate Calculator Bacterial Transformation Extended Calculator Beta Diversity Calculator Beta Oxidation Yield Calculator Biomass Calculator Blast Evalue Calculator Blood Gas Analysis Calculator Blood Osmolality Calculator Body Surface Area Calculator Bradford Assay Calculator Bray Curtis Similarity Calculator CRISPR Editing Efficiency Calculator Carbon Nitrogen Ratio Calculator Cardiac Output Calculator Carrying Capacity Calculator Cell Cycle Duration Calculator Cell Cycle Phase Calculator Cell Doubling Time Calculator Cell Doubling Time Growth Calculator Cell Growth Rate Calculator Cell Migration Speed Calculator Cell Signaling Pathway Calculator Cell Viability Calculator Cell Viability MTT Calculator Cellular Respiration Calculator Centrifugation RCF Calculator Chi-Square Genetics Calculator Clone Probability Calculator Coalescence Time Calculator Codon Calculator Codon Usage Bias Calculator Colony Forming Units (CFU) Calculator Competitive Exclusion Calculator Competitive Inhibition Calculator Creatinine Clearance Calculator DNA Concentration Calculator DNA Copy Number Calculator DNA Melting Temperature (Tm) Calculator DNA Melting Temperature Nearest Neighbor Calculator DNA Substitution Rate Calculator Delta Delta Ct QPCR Calculator Diffusion Rate Calculator Dihybrid Cross Calculator Dilution Plating Calculator ELISA Od Concentration Calculator Ecological Efficiency Calculator Ecological Niche Breadth Calculator Effective Population Size Calculator Enzyme Inhibition Calculator Enzyme Kinetics Calculator Enzyme Specific Activity Calculator Epigenetics Methylation Calculator Evolutionary Fitness Calculator Exponential Growth Calculator Extinction Coefficient Calculator FRAP Diffusion Calculator FRET Efficiency Calculator FST Calculator Fick Principle Calculator Fick Principle Cardiac Output Calculator Fixation Index (Fst) Calculator Flow Cytometry Cell Count Calculator Food Web Trophic Level Calculator GC Content Calculator GC Content Melting Temperature Calculator GFR (Glomerular Filtration Rate) Calculator GFR Ckd Epi Calculator Game Theory ESS Calculator Gel Electrophoresis Migration Calculator Gel Electrophoresis Migration Calculator Gene Flow Migration Rate Calculator Generation Time Calculator Generation Time Calculator (Microbiology) Genetic Distance Calculator Genetic Distance FST Calculator Genetic Drift Calculator Genetic Drift Simulation Calculator Genotype Phenotype Map Calculator Glycolysis ATP Calculator Hamilton Kin Selection Calculator Hardy Weinberg Equilibrium Extended Calculator Hardy-Weinberg Equilibrium Calculator Hemocytometer Cell Count Calculator Heritability Calculator Heterozygosity Calculator Hill Equation Calculator Hormone Half Life Calculator Inbreeding Coefficient Calculator Inbreeding Depression Calculator Infection Rate Calculator Ion Channel Conductance Calculator Island Biogeography Calculator Isoelectric Point (pI) Calculator KA KS Ratio Calculator KD Binding Affinity Calculator Kd Binding Affinity Calculator Kill Curve / Time-Kill Calculator LOD Score Calculator Life Table Calculator Lineweaver-Burk Calculator Linkage Disequilibrium Calculator Linkage Map Recombination Calculator Logistic Growth Calculator Lotka Volterra Predator Prey Calculator Lung Volume Calculator MOI Multiplicity Infection Calculator Mark-Recapture Calculator Mean Arterial Pressure Calculator Membrane Potential Calculator Membrane Transport Calculator Metabolic Rate Allometric Calculator Michaelis-Menten Calculator Microbiome Diversity Calculator Migration Drift Balance Calculator Minimum Viable Population Calculator Mitotic Index Calculator Molecular Clock Calculator Molecular Clock Dating Calculator Monohybrid Cross Calculator Mutation Rate Calculator Mutation Selection Balance Calculator NGS Library Complexity Calculator Natural Selection Rate Calculator Nerve Conduction Velocity Calculator Net Reproductive Rate Calculator Neurotransmitter Clearance Calculator Neutral Substitution Rate Calculator Neutral Theory Calculator OD600 Cell Density Calculator ORF Length Calculator Osmosis Calculator Osmotic Fragility Calculator Oxygen Delivery Calculator Oxygen Dissociation Calculator PCR Efficiency Calculator PCR Product Size Calculator Pharmacodynamics Emax Calculator Pharmacokinetics Vd Calculator Photosynthesis Rate Calculator Phylogenetic Distance Calculator Pielou Evenness Calculator Population Bottleneck Calculator Population Growth Calculator Population Growth R K Calculator Population Split Time Calculator Primer Tm Calculator (Nearest-Neighbor) Proliferation Index Calculator Protein Concentration A280 Calculator Protein Concentration Calculator Protein Extinction Coefficient Calculator Protein Folding Thermodynamics Calculator Protein Hydrophobicity Calculator Protein Molecular Weight Calculator Protein Structure Calculator Punnett Square Advanced Calculator Punnett Square Calculator R0 Basic Reproduction Number Calculator RNA Concentration Calculator Recombination Frequency Calculator Respiratory Quotient Calculator Restriction Digest Sizes Calculator Restriction Enzyme Fragment Calculator Sedimentation Coefficient Calculator Selection Coefficient Calculator Sequence Identity Similarity Calculator Sequencing Coverage Calculator Shannon Diversity Index Calculator Simpson's Diversity Index Calculator Single Cell Metrics Calculator Species Area Relationship Calculator Species Divergence Time Calculator Species Richness Calculator Species Richness Calculator Spirometry Calculator Stroke Volume Calculator Surface Area Volume Ratio Cell Calculator Surface Area to Volume Ratio Calculator Survivorship Curves Calculator Tajimas D Calculator Tcid50 Virus Titer Calculator Total Lung Capacity Calculator Transfection Efficiency Calculator Transformation Efficiency Calculator Trihybrid Cross Calculator VO2 Max Calculator Viral Load Calculator Viral Transduction Efficiency Calculator Virus Burst Size Calculator Vo2max Exercise Calculator WBC Differential Calculator Western Blot Band Size Calculator