# The power of compound interest: growing your money over time

Compound interest is a remarkable financial concept that can significantly grow your money over time. It is often referred to as the “eighth wonder of the world” and is a powerful tool for building wealth.

In this guide, we’ll explore the magic of compound interest, how it works, and how you can harness its power to achieve your financial goals.

1. Understanding Compound Interest:
Compound interest is the interest earned not only on the initial principal but also on the accumulated interest from previous periods. In simple terms, you earn interest on interest, and this compounding effect leads to exponential growth of your money over time.
2. How Compound Interest Works:
Let’s consider a hypothetical example to understand how compound interest works. Suppose you invest \$1,000 in an account with an annual interest rate of 5%. At the end of the first year, you would have earned \$50 in interest (5% of \$1,000). In the second year, you would earn interest not only on the initial \$1,000 but also on the \$50 interest earned in the first year. So, your total balance at the end of the second year would be \$1,050 + \$52.50 in interest. As this process continues, your money continues to grow at an increasing rate.
3. The Power of Time:
Time plays a crucial role in harnessing the full power of compound interest. The longer your money remains invested and compounding, the greater the impact on your wealth. Starting early and staying invested for the long term can lead to substantial growth over decades.
4. The Rule of 72:
The rule of 72 is a handy rule of thumb to estimate how long it will take for your money to double with compound interest. Simply divide 72 by the annual interest rate to get an approximate number of years. For example, with a 6% interest rate, it would take about 12 years (72 ÷ 6) for your money to double.
5. Importance of Regular Contributions:
Adding regular contributions to your investments can further accelerate the growth of your money through compound interest. Consistent contributions, even small ones, can make a significant difference over time.