Enter your figures
Enter the values below to calculate your result.
Calculation Results
Based on the figures you entered.
Important Population models are simplified mathematical models; real populations can violate their assumptions.
How to use this calculator
What to enter
Enter or select the following as requested: Starting population; Surviving population. Follow the units, valid ranges, examples, and options displayed beside each field.
What the result means
The biology result follows the genetic, growth, population, cell-count, or biochemical method named by the calculator and the observations entered. Check sample units, dilution factors, organism or model assumptions, measurement conditions, and whether the method is appropriate for the sample.
When to use it
Use this to support a biology calculation, lab exercise, or preliminary analysis. Follow the relevant laboratory protocol and safety procedures, and verify scientific conclusions against appropriate controls and validated methods.