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In Unit Linked policies, the investment risk in investment portfolio is borne by the policyholder. ...Read More
Compound Interest Calculator
A compound interest calculator is an online financial tool which helps investors estimate how their investments grow over time. In investments, compound interest means earning interest on both your invested capital and the interest that you have already earned. ...Read More
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What is Compound Interest?
The interest on a loan or deposit calculated based on the initial principal, and the collective interest from previous periods is called compound interest. It is basically 'interest earned on money that was previously earned as interest'. This allows your sum and interest to grow at a faster rate compared to the simple interest which is calculated only on the principal amount.
The rate at which compound interest accumulates interest depends on the frequency - higher the number of compounding periods, higher will be the compound interest. For instance, if you earn a 10% annual interest, a deposit of Rs 100 would gain you Rs 10 after a year. What happens the following year? That’s where the compound interest comes in. You’ll earn interest on your deposit, and you will also earn interest on the interest you just earned.
The longer you leave your money untouched, the greater it will grow because compound interest grows over time which means your money keeps on multiplying over a period of time. If you are repaying a loan on compound interest, you should not ignore paying the interest or if there is any delay in paying the loan, then the interest burden will be high. To take advantage of compounding, one must aim at increasing their frequency of loan payments. This way you can pay less interest than what you are liable to pay.
Since the interest-on-interest effect can generate positive returns based on the initial principal amount, it has sometimes been referred to as the snowball effect of compound interest.
Find the perfect plan for your specific goals
How does Compound Interest Work ?
If you make a sound investment, compound interest can help you to build your wealth over time. But if your debt is subjected to compound interest, then it can cause financial hardship if not planned. To understand how compound interest works, let us break down the process of how your investment can compound better.
Compound Interest starts when your investment earns interest. At this point, the interest is added to the initial investment amount. When it earns interest again, it will determine the newly earned interest by calculating the initial capital invested and the earned interest.
As the size of the investment continues to grow, it will earn interest to the total investment amount. This loop will continue allowing the investment to grow substantially without any additional investment capital. With time, this cycle has potential for a substantial growth of the original investment.
Here are the two factors that will have an impact on your compound interest returns:
Time
- You need to allow your investments to grow with time, the more time you enable, the more growth you will see.
The rate of interest
- A higher rate of interest will generate higher balance when compounding the investment.
You can decide your investment priorities and goals, keeping in mind the various scenarios & avenues and how it will impact your life.
The bottom line is that if you are able to harness the advantage of compound interest then it can work wonders for your investment plan and financial goals.
Compound Interest Formula & Steps to Calculate Compound Interest
Compound interest is a method of earning interest on your invested money. To calculate compound interest, you first need to know:
1
Your principal investment amount
2
The rate of interest your investor offers
3
The number of times your interest gets compounded per year
4
The number of years that you want to stay invested
Once you have these figures, you can quickly understand how much you will earn from an investment that uses the power of compounding interest.
The compound interest formula is:A = P (1+r/n)nt
The values are:
A = Future value of the investment
P = Principal amount invested
r = The rate of interest (decimals)
n = Number of times interest gets compounded per period
t = Number of periods the money is invested for
Let’s look at how you can calculate compound interest using the given formula. Say you have invested INR 10,000 for 10 years. You earn 5% interest on your investment and your interest gets compounded annually. So, in the first year you earn INR 500 on your investment of INR 10,000. In the second year, your principal amount changes to INR 10,500. You now earn INR 525 as interest on your new principal amount, so you now have a total of 10,500 + 525 = 11,025. If you use the formula above, you can quickly understand how much you will have at the end of ten years.
P = INR 10,000
r = 0.05
n = 1
t = 10
A = 10000 (1 + 0.05/1)10 = INR 16,288.95
So, the total interest you earned is INR 16,288.95.
How to Use the Compound Interest Calculator?
As you have noted, calculating compound interest manually may lead to erroneous results; learning how to use the calculator for an accurate estimation is important. In this compound interest calculator, input the following information accurately and calculate, which helps with long-term planning, comparing ROI from different investments and more:
Enter Your Lump Sum Investment
Depending on your investment instrument, you must choose a lump sum amount that you can invest at once and place it in the designated field. For example, if you are investing ₹50,000. Place that under the 'Lump Sum you can invest today' section on this calculator. This earns returns from the beginning and is a base for compound interest calculations.
Add Your Recurring Investment Amount
To enhance your growth potential, input the amount that you want to invest periodically, in addition to your principal amount. In the designated section, input the recurring amount and choose your investment frequency. For instance, you choose to invest ₹5000 at a monthly frequency. Put the amount in the field and from the dropdown choose ‘Monthly’.
Select the Investment Contribution Period
Determine the number of years you want or plan to continue your investments. Your every contribution earns returns and strengthens your investment corpus. This supports long-term wealth accumulation through continuous compounding during your chosen contribution period. Suppose you plan to contribute for 5 years, drag the slider to the left to match.
Choose How Long You Want to Stay Invested
In this compound interest calculator, you must also enter your investment horizon or simply the years you want your money to remain invested. This period may extend beyond your chosen contribution. This allows your accumulated corpus to continue earning compound returns without further investment. For a simplified understanding, choose this as 5 years.
Set the Expected Rate of Return
Check the annualised return of your chosen investment vehicle. This is the expected return that your preferred investment instrument will generate over the tenure. Under the ‘Expected Rate of return(%)’, provide the return amount. Suppose the annual rate of return is 12%. Place the same percentage in the section for compound interest calculation.
Calculate and Review Your Estimated Returns
Now that you have entered information across all sections in this compound interest calculator, check those inputs once again for accuracy. Click on the ‘Calculate Returns’ button after filling out some basic information. Considering the exemplary input, your investment of a total of ₹3.05 lakh grows to ₹5.03 lakh, clarifying your return expectations.
Compound Interest Example
You can calculate compound interest with a simple formula. It is calculated by multiplying the first principal amount by one and adding the annual interest rate raised to the number of compound periods subtract one. The total initial amount of your loan is then subtracted from the resulting value.
Compound Interest = Total amount of Principal and Interest in future (or Future Value) less Principal amount at present (or Present Value)
Compound Interest = P [(1 + i) n – 1]
P is principal, I is the interest rate, n is the number of compounding periods.
An investment of ₹ 1,00,000 at a 12% rate of return for 5 years compounded annually will be ₹ 1,76,234. From the graph below we can see how an investment of ₹ 1,00,000 has grown in 5 years.
In compound interest, one earns interest on interest. Therefore, it already takes into consideration all the previous interests. And interest is paid on that.
Year |
Investment(₹) |
Interest(₹) |
At maturity(₹) |
1 |
₹ 1,00,000 |
₹ 12,000 |
₹ 112,000 |
2 |
₹ 1,12,000 |
₹ 13,440 |
₹ 125,440 |
3 |
₹ 1,25,440 |
₹ 15,052.8 |
₹ 1,40,492.8 |
4 |
₹ 1,40,492.8 |
₹ 16,859.14 |
₹ 1,57,351.9 |
5 |
₹ 1,57,351.9 |
₹ 18,882.2 |
₹ 1,76,234.2 |
By understanding how compound interest works and acting on it—preferably with guidance from our insurance advisor—you can invest in the right set of options and achieve high returns.
How Can a Compound Interest Calculator Help You?
Compared to a manual calculation of this type of interest payout, an interest on interest calculator or compound interest calculator simplifies the entire process. It helps simplify the future value of your investment, makes comparing returns easier, helps you understand the power of compounding and more, which helps make an informed investment decision:
Helps Estimate Future Investment Value
A compound interest calculator assists you in estimating the future value of your investments as you proceed to commit your hard-earned money to an investment instrument. As you enter your lump sum investment, recurring contributions, expected rate of return, and other details, you get a view of an estimated maturity value.
This projection gives you a realistic picture of how your investment may grow over time using the power of compounding. Furthermore, from its estimation, you can understand how much of the final corpus comes from your contributions and how much results from investment returns.
However, you must note that the calculator provides an estimation of potential growth in the future. Actual return after a tenure depends on the instrument’s performance,e especially if it is market-linked.
Supports Goal-Based Financial Planning
A compound interest calculator helps you instantly calculate your potential Return on Investment (ROI), making your savings and investment plans easier to attain your financial goals within a specific tenure. Thus, instead of relying on estimates or assumptions, it supports building a goal-based financial plan, especially for long-term financial security.
For example, you may be planning to build a retirement corpus, create funds for your child's higher education, accumulate wealth for future milestones or strengthen your family's long-term financial security. While investments help grow your wealth through compounding, many individuals also complement their financial plan with solutions like term insurance that can financially protect their loved ones if life takes an unexpected turn.
You can adjust your lump sum, recurring investments, expected returns, and tenure on this calculator until the projected maturity value aligns with your target amount.
Makes Return Comparison Easier
While investing, you must first compare different investment options based on factors like return potential, amount to invest to reach a target corpus, years to stay invested and more. You can use this compound interest calculator for this purpose.
For instance, in the earlier example, you have noted that your ROI from your initial and recurring investments potentially grows to ₹5.03 lakh. Now, if you compare it with an investment with a 15% annualised return, keeping other factors the same, your potential corpus is now ₹5.54 lakh.
Thus, by simply tweaking the inputs of different investments, you can choose the right option that may generate your targeted corpus.
Shows the Impact of Long-Term Compounding
A calculator for compounding interest clearly demonstrates how staying invested for a longer period can influence your growth. In compounding, your investment earns returns, and those returns become part of the investment base. Thus, long-term compounding generates additional returns during future compounding cycles.
The calculator allows you to compare different investment horizons. Thus, it helps you understand how even small changes can affect your projected maturity value. Continuing from the initial example, you may expect a growth of 144% in 5 years. Now, if you go long-term, say for 10 years, your investment grows by 261%, generating ₹9.14 lakh.
Thus, extending your investment period by a few years may significantly increase the final corpus as compounding continues to work on an increasingly larger amount.
Improves Investment Decision-Making
The compound interest calculator provides a better understanding of how your investment decisions influence future returns. Using this calculator, you can estimate potential outcomes by adjusting investment amounts, contribution frequency, expected returns, and investment tenure, which add to your investment decision-making.
It presents projected results instantly, allowing you to evaluate different strategies before investing. Making investments based on guesswork may impact your expectations of an investment. With its calculated estimate, you can set a realistic expectation and invest accordingly.
You can also understand whether your current investment plan aligns with your financial goals or requires adjustments to improve the projected outcome. While investments help create wealth over time, unexpected events such as the untimely death of an earning family member due to an accident, illness or natural calamity can disrupt even well-planned financial goals.
Along with disciplined investing, many individuals also consider financial protection solutions such as term insurance to help ensure their family's long-term financial security remains on track.
Simple Interest and Compound Interest Calculator
There are two ways to calculate interest – simple interest and compound interest. Both types of calculation have their own advantages. Let’s take a look at the difference between simple interest and compound interest calculation:
Simple Interest |
Compound Interest |
In simple interest, you only earn interest on the principal investment amount. |
In compound interest, you earn interest on your principal amount and the previous interest earned. |
The principal amount remains constant |
The principal amount changes after every compounding period |
SI = (P x T x R)/100 |
CI = P (1+r/n)nt |
Simple Interest Formula
Some investment avenues operate with simple interest. To ensure you’re making an informed decision, you should know how to calculate both compound and simple interest. Let’s take a look at the Simple Interest formula:
SI = (P x T x R)/100
The values are:
P = Principal amount
T = Number of years
R = Rate of interest
How Does Life Insurance Complement Long-Term Financial Planning?
A compound interest calculator can help you estimate how your savings or investments may grow over time. However, investment growth and life insurance serve different purposes in a financial plan. Investments are generally used to build a corpus for goals such as retirement, children's education or purchasing a home, while life insurance helps provide financial protection to your family in case of an unforeseen event.
For example, you may use the compound interest calculator to estimate the amount required for a long-term financial goal. Alongside this investment plan, you may consider adequate life insurance coverage based on factors such as your income, outstanding liabilities, dependants and future family expenses. This can help protect the financial goals you are working towards if the earning member is no longer present.
Certain life insurance products, such as Unit Linked Insurance Plans or ULIPs, combine life insurance coverage with market-linked investment. In a ULIP, a portion of the premium is used towards providing life cover, while the remaining amount, after applicable charges, is invested in the selected funds. Returns from the invested portion depend on market performance and are not guaranteed.
Therefore, a compound interest calculator may be used as an educational tool to understand the effect of investment amount, expected return and tenure on potential corpus creation. It does not calculate the life cover, death benefit, maturity benefit or other policy benefits available under a life insurance plan.
FAQ's on Compound Interest Calculator
1
What Is Daily, Monthly & Early Compounding?
When it comes to choosing between simple and compound interest, compound interest will always win. But, there’s a way that you can make compound interest work harder for you. When you’re choosing an investment avenue that offers compound interest, you can also look at how often the interest is compounded. You can choose plans where the interest is accrued daily, monthly, six-monthly or annually. Compounding will always work best when the interval of compounding is short.
We can understand this better with an example. Let’s say Mr A has made an investment of ₹10,000 for just 3 years at a rate of 7%. If the interest is compounded annually, he’ll end up with ₹12,250 at the end of 3 years. If the compounding was done on a half-yearly basis, he would end up with ₹12,314 and if it was done on a monthly basis, he’d end up with ₹12,293. Similarly, if you are planning your finances with commitments like loans, an EMI calculator can help you estimate your monthly repayments and understand how interest impacts your outflows over time.
You can also opt for daily interest accrual, which means your interest will be compounded every single day. So, every day you will earn a new amount based on the interest added to your initial investment. To maximise the benefit you can enjoy from a compound interest investment, it’s crucial that you start saving and investing as quickly as possible. The more time your money has to compound and grow, the more you will end up with. If you want to calculate the future value of a lump sum investment with different compounding intervals, a lumpsum calculator can help you estimate how your funds will grow based on the investment amount, timeframe, and return rate.
2
What Are Compound Interest Investments?
When it comes to investing, it’s always a good idea to choose an investment avenue that allows you to enjoy compounded interest. This is the most efficient way to maximise your returns and get the most out of your money.
There are a number of investment opportunities today where you can benefit from plans that compound interest at regular intervals. At the most basic level, banks offer compound interest. The interest you earn every 6 months is added to your savings, and for the next six month, you can earn interest on the new amount. But this is hardly enough to help you achieve your financial goals.
Mutual funds and Unit-Linked Insurance Plans (ULIPs) are two of the most common investments that utilise compound interest formulae to grow your money. Both investment avenues work in a similar fashion, with the main difference being that ULIPs offer the additional benefit of life cover. Compound interest investment plans are especially useful in planning your finances for your retirement.
3
What is the difference between simple interest and compound interest?
Simple interest is applicable for money borrowed for a fixed period of time. While compound interest is applicable whenever the interest is up for payment it will be added back to the principal amount.
Below are the top differences between Simple Interest and Compound Interest:
Basis of comparison |
Simple Interest |
Compound Interest |
Meaning |
It is the interest on the total principal amount. |
It is the interest which is a % of both principal and accumulated interest. |
Return for lender |
The simple interest offers low returns. |
The compound interest offers a comparatively high return. |
Principal |
The principal is constant for simple interest. |
The principal keeps changing due to the addition of accumulated interest during the period. |
Growth |
Principal and interest growth is constant. |
Principal and interest growth is quick that increases at a fast pace. |
Interest Charged |
Interest is charged on the principal amount only. |
Interest is charged on the principal amount and also on the interest amount. |
Formula |
P*R*N
|
P * (1 + R) ^ NK
|
Calculation |
Calculation of simple interest is very easy and easy to understand. |
The interest calculation of compound interest is a little difficult comparatively as it involves different periods of compounding. |
Useful |
Simple interest is better when buying something like a car loan which is calculated based on simple interest. |
Compound interest is useful when it comes to investing. Since it allows the fund to grow quickly. |
4
Advantage of compound interest
If you are concerned about not being able to save enough for your child's education or retirement, then why not pick an investment avenue with compound interest? It has the potential to grow your wealth and anyone can take advantage of the many benefits as listed below:.
- You can earn interest on both the money you have saved and on the interest that money earns. For instance, If you invest ₹ 5000 and receive 5% annual compound interest, at the end of the year you will have ₹ 5,250 in your account. In your second year, interest will be calculated on ₹ 5,250 and with every passing year, the amount accumulated will have the interest paid on the balance and grow your wealth.
- The longer money sits in a compound interest account, the more benefit you will reap over the long term. A difference of even 1% in the interest rate will increase your capital gains.
- With inflation, the costs of services and goods increase gradually and causes the purchasing power of currency to decline. Putting cash in investment avenues with compound interest can mitigate the negative effects of inflation.
- If you are unable to manage cash well, you won't be able to stay afloat. You need cash to fund your daily needs and to plan for long term goals. Hence, investing money in compounding interest accounts can be a good source for long-term cash management plan.
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*This calculator is provided to enable you to plan your retirement and aid an estimate for the retirement benefit. It is designed only for information / education purpose. The results presented by this calculator are hypothetical and basis the information / inputs provided by you and guides you to plan your retirement and importance of savings for your retirement benefits. Kindly do not consider this as an investment advice or direct or indirect solicitation for the product or the performance. While utmost care has been exercised in preparing this calculator, HDFC Life Insurance Company Limited or its directors, employees, affiliates or representatives do not warrant the completeness or guarantee the accuracy of the information and will not be responsible for any liabilities, losses, damages arising out of the use or in respect of anything done in reliance of the calculator. The calculations provided through this calculator shall not directly or indirectly be construed as solicitation of scheme the performance of the scheme. Request you consult your financial advisor before making any type of investment.
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In unit linked policies, the investment risk in the investment portfolio is borne by the policyholder. The linked Insurance products do not offer any liquidity during the first five years of the contract. The policyholders will not be able to surrender/withdraw the monies invested in Unit Linked Insurance Products completely or partially till the end of fifth year.
Unit Linked Life Insurance products are different from the traditional insurance products and are subject to the risk factors. The premium paid in Unit Linked Life Insurance policies are subject to investment risks associated with capital markets and the NAVs of the units may go up or down based on the performance of fund and factors influencing the capital market and the insured is responsible for his/her decisions. The name of the company, name of the brand and name of the contract does not in any way indicate the quality of the contract, its future prospects or returns. Please know the associated risks and the applicable charges, from your insurance agent or the intermediary or policy document of the insurer. The various funds offered under this contract are the names of the funds and do not in any way indicate the quality of these plans, their future prospects and returns.
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