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Rule of 72: What it is and how to use it

Here’s how the Rule of 72 works: Divide 72 by your expected annual interest rate (as a percentage, not a decimal). The answer is roughly the number of years it will take for your money to double. For ...

Use ChatGPT 5 to Build Pro-Level Financial Models Without Breaking a Sweat

Build professional financial models in minutes with ChatGPT 5. Automate calculations, adapt in real-time, and save hours of ...

Alternatives to the Rule of 72

The Rule of 72 is a simple calculation tool for investors to use, but it's not necessarily the most accurate. Here are some ...