Predator-Prey Population Estimate Calculator

Estimate one-step predator and prey population changes using a simplified Lotka-Volterra model.

Current prey population

Current predator population

Prey growth rate α

Predation rate β

Predator efficiency δ

Predator death rate γ

Time step

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Estimated prey—

Estimated predators—

Prey change—

Predator change—

How this calculator works

Estimate one-step predator and prey population changes using a simplified Lotka-Volterra model.

Use consistent units and carefully reviewed inputs. Results are estimates for education, laboratory planning, and general informational use.