<aside> <img src="https://s3-us-west-2.amazonaws.com/secure.notion-static.com/a5a1e3ce-00fa-46e4-9a75-58c2aed9e8ce/Notion_Fundamentals_with_Thomas_Frank_-_Avatar_2021.png" alt="https://s3-us-west-2.amazonaws.com/secure.notion-static.com/a5a1e3ce-00fa-46e4-9a75-58c2aed9e8ce/Notion_Fundamentals_with_Thomas_Frank_-_Avatar_2021.png" width="40px" /> This example database calculates the calculates the number of years needed for a starting population to reach a target end number given a specific growth rate.

Created by Thomas Frank | Learn Notion Formulas | Notion Basics | Templates | Twitter

</aside>

Population Growth

// Compressed
round(ln(prop("Target Num") / prop("Starting Num")) / prop("Growth Rate") * 100) / 100

// Expanded
round(
    ln(
        prop("Target Num") / 
        prop("Starting Num")
    ) / 
    prop("Growth Rate") 
    * 100
) / 100

© Thomas Frank