Population Growth Rate Calculator

Calculate the intrinsic rate of increase (r) and finite rate of increase (lambda) for populations.

Population Data

Initial Population (N₀)

Final Population (Nₜ)

Time Period (t)

Time Unit

Formula: r = ln(Nₜ/N₀) / t
Where r = intrinsic rate of increase

Intrinsic Rate of Increase (r)

+0.0811

per year

Finite Rate (λ)

1.0845

Percent Change

+50.00%

Growth Analysis

Annual Growth Rate8.11%

Doubling Time8.55 years

Projected (10 years)2.25K