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How Does Compound Interest Work?

Compound interest Work is an effective weapon for creating wealth. Read on to know how does compound interest work!

Compound interest is a great option to increase your income corpus over time. However, to understand how does compound interest work, you should know what compound interest is!

What Is Compound Interest?

Compound interest refers to the interest associated with an investment, a loan, or a bank account that increases exponentially—instead of linearly— with time.

Suppose you generate a ₹100 investment in a business that gives you a 10% dividend at the end of the year. You have the option of either keeping those dividend payments in your pocket or making a reinvestment in other shares. If you consider the second option, reinvesting the dividends & compounding them with your first ₹100 investment, then the returns you make will begin to increase in the course of time. 

How Does Compound Interest Work?

Compound interest refers to the interest that you obtain on interest. This could be explained through basic math: 

Imagine, if you own ₹100 and it obtains 5% interest every year, at the end of the 1st year, you will get ₹105. At the end of the second year, it will increase, and you will have ₹110.25. This means you will not only receive ₹5 on the first ₹100 deposit, but on that ₹5, you will also get ₹0.25 in interest. Even though at first 25 cents might not look much, it increases over time. Even if you end up not adding another dime to that account, you will have more than ₹162 in 10 years, thanks to the power of compound interest, and you will obtain ₹340 in 25 years. 

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Compound Interest Schedules

Interest can be compounded at any frequency schedule, from annually to daily. There are several standard compounding frequency schedules that are generally applied to investment.

At banks, the generally applied compounding schedule for savings accounts is on a daily basis. For a CD or certificate of deposit, common compounding frequency schedules are semiannually, monthly, or daily. On the other hand, for money market accounts, the compounding schedule is daily. For home equity loans, home mortgage loans, credit card accounts, or personal business loans, the most generally used compounding schedule is monthly basis.

There are also variations in the compounding schedule in which the received interest is contributed to the existing balance. Interest on an account balance might be compounded every day but credited on a monthly basis. When the interest is added or credited to the existing balance, it then starts to obtain an extra interest in the account.

Few banks offer continuously compounding interest as well. It adds interest to the main balance whenever it is possible. For practical reasons, it doesn’t collect that much more than day-to-day compounding interest, except if you prefer to put money in the account and withdraw it on the same day.

Compounding Periods

When estimating compound interest, the total number of periods for compounding makes a crucial difference. The common rule is that the greater the total number of compounding periods, the bigger the sum of compound interest. You can also check out the compound interest calculator on Vakilsearch to know how to calculate compound interest.

Start saving early

Those who are in their 20s often give more importance to urgent expenses and end up saving nothing. Yet these are the years when compound interest can be a game-changer for them: saving up small sums can ultimately pay off massively in the future—much more than saving greater sums later on in life. 

What are the advantages and disadvantages of compounding interest?

Compounding can also be used against consumers who have loans with higher interest rates, like credit card debt. If a credit card has a balance of ₹20,000 and if it has an interest rate of 20%, then monthly compounding would result in a total compound interest of ₹365 per month or about ₹4,388 over one year.

On the plus side, when it comes to your investment, compounding can work as an advantage for you and be a powerful factor in wealth creation. The continuous increase from compound interest is also beneficial in mitigating factors associated with wealth erosion, like increases in inflation, the cost of living, and decreased purchasing power.

Mutual funds provide one of the simplest ways for investors to use the benefits of compound interest. Choosing to reinvest dividends taken from the mutual fund ends up with you buying more shares of the fund. Additional compound interest accumulates with time, and the course of buying more shares would continue to the investment in the fund’s increase in value.

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Who gets to benefit from compound interest?

Compound interest primarily benefits the investor; however, the meaning of “investor” can be much broader. For example, banks benefit from compound interest when they reinvest the claim that they had received from giving out additional loans. Moreover, depositors can benefit from compound interest when they receive interest on their bonds, investments, and bank accounts. 

It is significant to remember that although the term ‘compound interest’ adds the word “interest,” the very idea applies in many situations for which the term is generally applied, such as loans and bank accounts.

One of the main reasons to know how does compound interest work is because it is the most potent force for making wealth. There are records of leaders, merchants, and numerous business people using compound interest to become wealthy for so many years.  It is likely that, in one form or another, people will be using compound interest to generate wealth for the foreseeable future.

Now that you know how does compound interest work, take full advantage of it and increase your wealth!

Conclusion 

The long-term impact of compound interest on investments and savings is miraculous. As it increases your money much more rapidly than simple interest, it is a major factor in growing wealth. It also helps to mitigate a growing cost of living, which is caused by inflation. For youngsters especially, compound interest work is the greatest weapon, as they have more time ahead of them in which they can save and secure their future.

If you also want to calculate your compound interest amount on your savings or investment, you can use the Vakilsearch compound interest calculator.

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About the Author

Mani, serving as the Research Content Curator, holds degrees in BSc Biology, MA Medical Journalism, and MSc Health Communications. His expertise in transforming complex medical research into accessible, engaging content. With over a year of experience, Mani excels in scientific communication, content strategy, and public engagement on health topics.

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