Compound Interest Calculator

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Compound Interest Calculator

Investments are essential for building a substantial financial corpus. Furthermore, selecting investments that compound returns is also crucial.
Compounding can help your investments grow significantly. You can also use a compound interest calculator to understand how compounding can help you earn high returns.

What is Compound Interest?

Compounding helps you earn interest on the interest generated by your investment. The interest is added to the principal amount. The new amount that is the sum of the interest and the initial investment will be the principal for the next term. In the next term, the interest will be calculated based on this increased amount.
Let’s understand this with an example-
You invest Rs. 2 Lakhs in an investment instrument that compounds interest once every year. This investment pays 10% interest annually. In this case, the interest amount will be Rs. Rs. 20,000 after one year.
Due to compound interest, in the next year, you’ll earn interest based on the new amount, which is the sum of the principal amount of Rs. 2 Lakhs and the interest of Rs. 20,000. For the next term, interest will be calculated on Rs. 2,20,00. Therefore, the interest amount will be Rs. 22,000.
Thus, with the help of compound interest, the interest amount you earn will increase every year. Furthermore, it’s recommended to stay invested for a longer tenure to build wealth.

What is Compound Interest Formula?


A = P(1+r/n)^nt
  • A is the future value of the investment
  • P is the principal amount
  • r is the rate of interest
  • n is the number of times interest is compounded every term
  • t is the term of the investment

Here’s an example of how compounding helps your investment grow-
You make an investment of Rs. 10,000. It offers 5% interest every year for a tenure of 5 years.
Year Principal AmountInterest EarnedNew Balance Amount
Year 1 Rs. 10,000 Rs. 500 Rs. 10,500
Year 2 Rs. 10,500 Rs. 525 Rs. 11,025
Year 3 Rs. 11,025 Rs. 551.25 Rs. 11,576.25
Year 4 Rs. 11,576.25 Rs. 578.81 Rs. 12,155.06
Year 5 Rs. 12,155.06 Rs. 607.75 Rs. 12,762.82

You can calculate the future value of your investment using this formula. However, manual calculations might lead to errors. To avoid this, you can use a compound interest calculator.

What is a Compound Interest Calculator?

A compound interest calculator is an online tool that you can use to calculate compound interest. With the help of this calculator, you can easily calculate the maturity value of your investments. This calculator can give you an accurate result based on the details you enter.

How to Use a Compound Interest Calculator?

In order to use a compound interest calculator, you must enter a few details, like-
  • The principal amount
  • Interest rate
  • Tenure of the investment (You can enter the number of years or months)
  • Compounding frequency every term
Once you enter these details, the calculator will calculate the maturity value of the investment.

What are the Benefits of Compound Interest Calculator?

Here are some benefits of using a compound interest calculator-
  • Helps You Calculate the Maturity Amount Easily

When you calculate compound interest manually, you might make errors and get an inaccurate result. However, a compound interest calculator helps you avoid such errors.
A compound interest calculator will provide you with the correct maturity value of your investment. Furthermore, you’ll receive the result quickly.
  • Helps You Pick the Right Investment Option

To use a compound interest calculator, you’ll have to enter the required details, like the tenure, investment amount, etc. Once you enter these details, you’ll get the result. You can change these details until you get the desired maturity value that helps you meet your financial goals.
Once you figure out this amount, you can easily look for investments that provide returns as per your financial objectives. Therefore, while there are many investment options available, choosing the right one can become easy with the help of a compound interest calculator.
  • Helps You Understand the Value of Compounding

You can grow your wealth exponentially if you invest in a plan that allows compounding. A compound interest calculator provides proof of how important compounding is for investments. Hence, it can enable you to make wise investment decisions.
  • How You Can Benefit from Compound Interest?

You can grow your wealth significantly with the help of compound interest by following a few tips-
  • Start Investing Early

If you want to build a substantial financial corpus, then you must start investing as early as possible. By investing from a young age, you’ll allow more compounding terms to your investments. This can increase your wealth exponentially.
  • Stay Invested for the Long Term

When you stay invested for the long term, you can earn returns for a longer duration. Compounding can enable you to grow your wealth more in the long term.
  • Compounding Frequency

When comparing options, you must check the compounding frequency of the investment instrument. The compounding frequency refers to the number of times interest is compounded during the term.
Compounding becomes more beneficial as the frequency increases. As the compounding frequency increases, the returns also increase.
  • Rate of Returns

One of the most important factors that determine the maturity value of your investment is the rate of returns. The rate of returns has a significant impact on your investments.
The higher the rate of returns, the higher the returns your investments will make. Thus, you must opt for investments that offer a high rate of returns, like mutual funds.

Use a Compound Interest Calculator to Calculate the Maturity Value of Your Investment

A compound interest calculator is easy to use, and it enables you to quickly check the value of your investment at the end of the tenure. Thus, a compound interest calculator can help you opt for the right investment instrument, right tenure, and the rate of returns.

FAQs (Frequently Asked Questions)

How Often Does Interest Get Compounded?

The compounding frequency varies from one investment product to another. Here are compounding frequencies-

  • Yearly compounding- Interest is offered once a year
  • Half-yearly compounding- Interest is offered once in six months
  • Quarterly compounding- Interest is offered once every three months
  • Monthly compounding- Interest is offered once a month
  • Daily compounding- Interest is offered daily

What is Compound Interest?

Compounding allows you to earn interest on interest. The interest you earn in a term will be added to the principal amount. In the next term, you’ll earn interest on the new amount.

What are the Advantages of Compound Interest?

As interest earned is added to the principal amount every term, the investment amount keeps increasing. Hence, compound interest can help you grow your money significantly.

DisclaimerThe information contained herein is generic in nature and is meant for educational purposes only. Nothing here is to be construed as an investment or financial or taxation advice nor to be considered as an invitation or solicitation or advertisement for any financial product. Readers are advised to exercise discretion and should seek independent professional advice prior to making any investment decision in relation to any financial product. Aditya Birla Capital Group is not liable for any decision arising out of the use of this information.