basic

Logistic Growth Calculator

Population at time t under a carrying-capacity model.

Project population size at time t using the logistic model with intrinsic growth rate and carrying capacity.

Reviewed by Dr. Helena Ortiz
Published Last reviewed 1 min read

Inputs

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

N(t) = K / (1 + ((K − N₀) / N₀) · e−r·t)

In depth

Project population size at time t using the logistic model with intrinsic growth rate and carrying capacity.