Biology

40 free online calculators in the Biology category. Pick a tool — every result uses exact formulas, no signup required.

PCR Annealing Temperature
Biology

Calculate PCR Annealing Temperature instantly with the exact formula and a worked example.

Cell Dilution
Biology

Calculate Cell Dilution instantly with the exact formula and a worked example.

Cell Doubling Time
Biology

Calculate Cell Doubling Time instantly with the exact formula and a worked example.

Cell Counter (Hemocytometer)
Biology

Calculate Cell Counter (Hemocytometer) instantly with the exact formula and a worked example.

DNA Concentration
Biology

Calculate DNA Concentration instantly with the exact formula and a worked example.

DNA Molecular Weight
Biology

Calculate DNA Molecular Weight instantly with the exact formula and a worked example.

RNA Concentration
Biology

Calculate RNA Concentration instantly with the exact formula and a worked example.

Restriction Digest
Biology

Calculate Restriction Digest instantly with the exact formula and a worked example.

Oligo Resuspension
Biology

Calculate Oligo Resuspension instantly with the exact formula and a worked example.

Cell Density (OD600)
Biology

Calculate Cell Density (OD600) instantly with the exact formula and a worked example.

Primer Tm (Wallace / Nearest-Neighbor)
Biology

Calculate Primer Tm (Wallace / Nearest-Neighbor) instantly with the exact formula and a worked example.

Hardy-Weinberg Equilibrium
Biology

Calculate Hardy-Weinberg Equilibrium instantly with the exact formula and a worked example.

Allele Frequency
Biology

Calculate Allele Frequency instantly with the exact formula and a worked example.

Bacterial Generation Time
Biology

Calculate Bacterial Generation Time instantly with the exact formula and a worked example.

Genetic Diversity
Biology

Calculate Genetic Diversity instantly with the exact formula and a worked example.

Reconstitution
Biology

Calculate Reconstitution instantly with the exact formula and a worked example.

Viable Cell Count
Biology

Calculate Viable Cell Count instantly with the exact formula and a worked example.

Hemocytometer Count
Biology

Calculate Hemocytometer Count instantly with the exact formula and a worked example.

Protein Concentration
Biology

Calculate Protein Concentration instantly with the exact formula and a worked example.

Protein Molecular Weight
Biology

Calculate Protein Molecular Weight instantly with the exact formula and a worked example.

Codon Usage
Biology

Calculate Codon Usage instantly with the exact formula and a worked example.

Reverse Complement
Biology

Reverse Complement: reference page. There is no single formula for this task, so instead of a made-up result you get an explanation and calculators with exact formulas for related tasks.

GC Content
Biology

Calculate GC Content instantly with the exact formula and a worked example.

qPCR Efficiency
Biology

Calculate qPCR Efficiency instantly with the exact formula and a worked example.

Mass to Mole (DNA)
Biology

Calculate Mass to Mole (DNA) instantly with the exact formula and a worked example.

PCR Master Mix
Biology

Calculate PCR Master Mix instantly with the exact formula and a worked example.

Buffer Dilution
Biology

Calculate Buffer Dilution instantly with the exact formula and a worked example.

Punnett Square 2×2
Biology

Calculate Punnett Square 2×2 instantly with the exact formula and a worked example.

Punnett Square 3×3 / 4×4
Biology

Calculate Punnett Square 3×3 / 4×4 instantly with the exact formula and a worked example.

Mendel Inheritance
Biology

Calculate Mendel Inheritance instantly with the exact formula and a worked example.

Blood Type Inheritance
Biology

Calculate Blood Type Inheritance instantly with the exact formula and a worked example.

Rh Factor Conflict
Biology

Calculate Rh Factor Conflict instantly with the exact formula and a worked example.

Eye Color Inheritance
Biology

Calculate Eye Color Inheritance instantly with the exact formula and a worked example.

Hair Color Inheritance
Biology

Calculate Hair Color Inheritance instantly with the exact formula and a worked example.

Twin Probability
Biology

Calculate Twin Probability instantly with the exact formula and a worked example.

Sex Determination
Biology

Calculate Sex Determination instantly with the exact formula and a worked example.

Coefficient of Inbreeding
Biology

Calculate Coefficient of Inbreeding instantly with the exact formula and a worked example.

Pedigree Analysis
Biology

Calculate Pedigree Analysis instantly with the exact formula and a worked example.

Carrier Probability
Biology

Calculate Carrier Probability instantly with the exact formula and a worked example.

Ligation Molar Ratio
Biology

Calculate Ligation Molar Ratio instantly with the exact formula and a worked example.

Other categories

Loans62Investing386Taxes68Construction212Health580Converters253Business172Auto59Date & time39Math355Cooking114IT110Education145Professions51Games153Physics447Regions10Ecology80Marketplaces8Photo & video69Pets76Astronomy25Garden49Customs & trade15Lifestyle490Travel48