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Cell Doubling Time Calculator

Biology
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Computes the growth rate and doubling time of cell cultures based on initial and final cell counts and the time period between these observations.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Initial Cell Count, Final Cell Count, and Time Elapsed in the units shown.

Step 2

Read Growth Rate and Doubling Time in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Fast Growth

Initial Cell Count: 1,000; Final Cell Count: 8,000; Time Elapsed: 12 hours

Growth Rate: 0.1732867951 per hour; Doubling Time: 4 hours

Moderate Growth

Initial Cell Count: 500; Final Cell Count: 1,500; Time Elapsed: 24 hours

Growth Rate: 0.04577551203 per hour; Doubling Time: 15.14231409 hours

Slow Growth

Initial Cell Count: 200; Final Cell Count: 250; Time Elapsed: 48 hours

Growth Rate: 0.004648823986 per hour; Doubling Time: 149.1016185 hours

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