Summary

The "Rule of 72" is a financial principle used to estimate the time required for an investment to double in value based on its fixed annual rate of return.

Abstract

The article discusses the "Rule of 72," a simple yet powerful investment formula that calculates the time it takes for an investment to double given a fixed annual rate of return. It emphasizes the importance of understanding compound interest and making informed investment decisions, akin to a game with its own set of rules. The rule is illustrated with examples showing how different rates of return affect the time frame for doubling one's money. It also suggests that the rule can be applied beyond finance, such as estimating the growth of social media followers or planning for long-term savings like a child's college fund. The article advocates for financial education and wise investment choices to achieve wealth accumulation, highlighting that even a small difference in annual return can significantly impact the time to double an investment.

Opinions

Investing without financial knowledge is akin to playing a game without understanding its rules, which can lead to loss.
Compound interest is hailed as the "8th wonder of the world," underscoring its significance in wealth building.
The average person focuses on quick wealth without proper financial education, unlike millionaires who make informed decisions.
The Rule of 72 is underutilized despite its effectiveness in planning long-term financial goals.
A 1% difference in annual return can substantially alter the time required to double an investment, which is often underestimated by investors.
The Rule of 72 is versatile and can be applied to various aspects of life, not just financial investments.
Financial education is crucial for making wise investment choices that align with personal goals and time frames.

Grow Your Wealth The Right Way: The Rule Of 72

When it comes to investing and building one’s financial future, everyone puts their money somewhere and waits for it to grow. Because all we are taught is that to build your own wealth, you should be investing.

However, what people are missing is that investing is a game like any other game, and it has its own rules, if you don’t abide by them, you lose.

Compound interest is one of them. Actually, it is the 8th wonder of the world as Albert Einstein said, but there is more to that.

It is surprising how people want to be wealthy quickly, yet they don’t think about immersing themselves in financial education to reach their goals.

Doubling your money is another rule that millionaires use to get richer. While the average person is busy figuring out ways to earn a couple of dollars to throw in a stock he doesn’t know anything about, the rich on the other hand double their money through wise choices and decisions he learned during his financial journey.

To double their money, investors use the rule of 72. So let’s see what is this rule, how does it work, and how we can apply it to our daily lives.

1)- The Rule Of 72: What Is It?

The Rule of 72 is a simple investment formula. It is used to estimate the time it takes for an investment to double in value. The only condition is that this investment should have a fixed annual rate of return.

For example, the S&P500 is known to always have an annual return of 10%.

2)- How Does The Rule Of 72 Work?

Let’s take 3 investments with each one having a different annual rate of return.

Investment 1 has a 4% of annual return.
Investment 2 has 6%.
Investment 3 has 9%.

Our common sense will tell us to invest in the third investment with a 9% annual return.

But how much investing in the third investment is better than investing in the other 2 in terms of timeframe for example?

In other words, the right question to ask is: How long will it take to double your money if you were to put it in one of the 3 investments?

At 4% annual return it will take 18 years to double.

At 6% it will take 12 years.

At 9% it will take 8 years.

Now you have a clear picture of how long it will take to double your money instead of just using your instinct, and you understand better how much the 9% annual return is better compared to the 4% or the 6%.

But what is the formula exactly?

To use the rule of 72 you take 72 and divide it by the rate of growth. It is as simple as that.

72/Rate of Growth = Number Of Years Or Months Or Days To Double The Money

The rate of growth is the annual return (4%, 6%, 9%…).

For example, if you invest in a stock with a 14% annual return it will take:

72/14= 5 years to double your investment.

if you invest in a stock with a 2% monthly return it will take:

72/2= 36 months to double your investment.

The power of this rule does not stop here, we can take a step further and use it in our lives in a way to reap amazing results, so let’s see how to do it.

3)- How Can We Apply The Rule Of 72 To Our Lives?

To understand the power of rule 72 and the importance of really choosing your investment carefully let’s take an example of 2 investments with a 1% difference between their annual return:

Investment 1 has a 4% annual return
Investment 2 has a 3% annual return

If you apply the rule of 72 to know how long it will take to double your money you will see that for the 1st investment with a 4% return, it will take 18 years (72/4) and for the second investment option, it will take 24 years (72/3).

So you see how much a 1% difference in annual return can make it longer or shorter to double your money! If you start thinking in terms of time, it will take 6 years longer with a 3% annual return than a 4%. Where are you going to be 6 years from now? How much older will you be? How much different will your life be?

The second way to use the rule of 72 to your advantage is to ask the question: At what rate would something have to grow to double over a fixed period of time?

For example, if you have an X (Twitter) account and want to know how long does it take to double your followers in 6 months you can use the rule of 72 this way:

72/The Rate Of Growth = 6

So the Rate Of Growth =72/6 = 12% per month

This means your X account should grow 12% each month to double the number of followers.

Another real-life example is that let’s say you have a newborn and you have $10k. You want to save for their college. You want the $10k to double in 18 years because that’s when your child will go to college.

If you want to know at what rate the $10k dollars should grow over these 18 years you can use the rule of 72:

72/The Rate Of Growth = 18

The Rate Of Growth =72/18 = 4% per year

So the $10k should grow at a rate of 4% per year to become $20k after 18 years.

Doing this kind of calculation will make it clear to you what type of investment you should invest in, which one is steady, which one has a higher return…

So if you were investing in a 2% annual return kind of investment you know that you should find something better, with at least a 4% annual return.

Final Thoughts

The rule of 72 helps us see where our investments might be headed in the future.

It is a powerful method in the world of investment and wealth-building, as it provides a straightforward method to estimate the time it takes for an investment to double in value.

So this rule helps us make smart decisions that match up with our goals.