Calculate the Berger-Parker Dominance Index from species abundances. Get d, 1/d, dominant species share, richness, totals, formulas, examples, FAQs, and ecology guidance.
Calculate the Brillouin Index (HB) from complete-census species counts. Get HB, Hmax, evenness, effective diversity, richness, formulas, examples, and FAQs.
Calculate Pielou’s Evenness Index (J') online with formula, Shannon diversity steps, examples, interpretation, FAQs, and biodiversity guidance.
Calculate Margalef’s Richness Index (DMg) online with formula, steps, examples, interpretation, FAQs, and biodiversity guidance.
Calculate Species Richness (S) online with formula, examples, interpretation, FAQs, and biodiversity guidance for ecology studies.
Calculate Simpson’s Diversity Index, Gini-Simpson Index, and reciprocal diversity from species counts. Includes formula, steps, examples, and FAQs.
Calculate Shannon Diversity Index (H′) from species counts. Get richness, H′ max, Pielou’s evenness, formulas, steps, examples, and interpretation.
Estimate your ecological footprint in global hectares, Earths, and personal overshoot day using food, home, travel, shopping, and services inputs.
Calculate Hardy-Weinberg equilibrium from allele frequency or genotype counts. Get p, q, p², 2pq, q², expected counts, chi-square, and full explanations.
Use this free Punnett Square Generator to create monohybrid and dihybrid crosses, see genotype and phenotype ratios, and learn genetics step by step.