Bankrate on MSN

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 ...

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 ...

What Is the Rule of 72 and How Can Investors Use It?

The Rule of 72 is an easy way to calculate how long it will take your investment to double in value. Here's how it works.
Investopedia

Leverage Ratio: What It Is, What It Tells You, and How to Calculate

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...