Free Online Biology Calculators

Biology doesn't have to feel like memorizing an encyclopedia. Whether you're a student working through genetics homework, a lab technician preparing dilutions, or just genuinely curious about how populations grow and ecosystems work — our biology calculators make it simple. Struggling with Hardy-Weinberg equilibrium? Not sure how to calculate a serial dilution? We've got you covered. From allele frequencies and molecular weights to population growth models and DNA calculations, every tool comes with clear explanations of the formulas behind the results. Think of it as having a patient lab partner who never gets tired of showing their work.

Anatomy & Morphology Calculators

7 tools

Animal Gestation & Breeding Calculators

14 tools

Biodiversity & Conservation Calculators

6 tools

Bioinformatics & Sequence Analysis Calculators

10 tools

Biological Half-Life & Decay Calculators

2 tools

Biostatistics Calculators

13 tools

Cat Care Calculators

11 tools

Cell Biology & Microbiology Calculators

19 tools

Cellular Respiration & Metabolism Calculators

9 tools

Dog Care Calculators

19 tools

Ecology & Population Biology Calculators

14 tools

Environmental Biology Calculators

12 tools

Evolution & Phylogenetics Calculators

10 tools

Forestry & Trees Calculators

8 tools

Genetics & Heredity Calculators

24 tools

Human Biology & Physiology Calculators

16 tools

Immunology & Hematology Calculators

10 tools

Livestock & Farming Calculators

9 tools

Marine & Aquatic Biology Calculators

9 tools

Molecular Biology & DNA Calculators

19 tools

Neurobiology Calculators

4 tools

Other Animal Care Calculators

14 tools

Pharmacology & Toxicology Calculators

8 tools

Plant Biology & Agriculture Calculators

25 tools

Protein & Biochemistry Calculators

17 tools

Renewable Energy & Biology Calculators

4 tools

Solution & Lab Preparation Calculators

9 tools