Bacterial Generation (Doubling) Time Calculator

Number of generations, generation time and growth rate from initial and final cell counts.

Results

Generations—
Generation time—
Growth rate (generations/h)—

How to use the Bacterial Generation

  1. Enter or select: Initial cell count, Final cell count, Elapsed time.
  2. The results (Generations, Generation time, Growth rate (generations/h)) are calculated instantly as you type.
  3. Use “Copy link” to share the calculation with the same input values.

Formula

  • n = log₂(N/N₀)
  • g = t / n