Shannon Diversity Index
Calculator

Inputs

Shannon diversity index H'
1.011404

Results

Shannon diversity index H'
1.011404
Species richness
3
Evenness index J'
0.920619

Biology and lab results

Shannon diversity index H'1.011404
Species richness3
Evenness index J'0.920619

formula-map diagram

Shannon diversity index H'
1.011404
Species richness
3
Evenness index J'
0.920619

Formula breakdown

Formula

H' = −Σ(pᵢ × ln pᵢ), pᵢ = count of species i ÷ total individuals

= 1.0114042647074

Note

Simplified model: these results use standard textbook laboratory relationships and average constants (A260 = 1 for 50 µg/mL dsDNA, 617.96 g/mol per base pair, ~110 Da per amino acid, ideal exponential growth). Real samples vary with purity, contaminants, buffer, temperature and instrument calibration. Always confirm against your own standards and protocol; do not use for diagnostic or safety-critical work.

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