by Mark Generation Time Calculator Initial Population ? Number of organisms at the start (e.g., bacteria count). Final Population ? Number of organisms after growth. Time Elapsed ? Duration of growth (in minutes or hours). Minutes Hours Calculate Reset Enter population and time details, then click “Calculate”. JavaScript is disabled. Please enable it to use the calculator. Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Like this:Like Loading... Related