Money won’t grow in your mattress.
It will grow in a Fixed Deposit!
Money won’t grow in your mattress.
It will grow in a Fixed Deposit!
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    We found 112 Compound Interest Formula
    Institution Name
    Deposit Amount Range
    Tenure Range
    Interest Rate
    Up to ₹25L
    1 Year to 5 Years
    7.49% - 8.19% Monthly compounding
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    Up to ₹25L
    1 Year to 5 Years
    7.75% - 8.5% Monthly compounding
    Response Time Within 30 minutes
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    Up to ₹1Cr
    7 Days to 20 Years
    5% - 7.8% Quarterly compounding
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    Up to ₹1Cr
    7 Days to 10 Years
    4% - 7.25% Quarterly compounding
    Response Time Within 30 minutes
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    Up to ₹1Cr
    7 Days to 10 Years
    4.25% - 7.05% Monthly compounding
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    Up to ₹1Cr
    15 Days to 20 Years
    4.25% - 7.25% Monthly compounding
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    Up to ₹1Cr
    7 Days to 10 Years
    4% - 7% Monthly compounding
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    NRI - FD
    Up to ₹1Cr
    1 Year to 5 Years
    6.5% - 6.8% Monthly compounding
    Response Time Within 30 minutes
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    NRI - FD
    Up to ₹1Cr
    1 Year to 10 Years
    6% - 6.75% Monthly compounding
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    NRI - FD
    Up to ₹1Cr
    1 Year onwards
    6.25% - 6.5% Monthly compounding
    Response Time Within 30 minutes
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    Up to ₹1Cr
    7 Days to 10 Years
    4% - 7.30% Quarterly compounding
    Response Time Within 30 minutes
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    NRI - FD
    Up to ₹1Cr
    1 Year to 5 Years
    6.80% Quarterly compounding
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  • Compound Interest Formula is Rated as "Excellent!" by 1859 Users
    Fixed Deposit BYTES FROM OUR KITCHEN

    Compound Interest Formula

    Gone are the days of school mathematics, most of us easily forget, but a quick refresher may bring it all back. To understand compound interest in the easiest form, let’s take a look at what it means. Compound interest is a useful financial concept in which your interest earned is added to your principal. This amount then continues to earn more interest. So in this case, you also earn interest on the interest you’ve already earned. So your balance grows at an increasing rate. In a sense, you reinvest your interest, rather than receiving a pay-out.

    • Year 1 - You earn interest on your Principal.
    • Year 2 - You earn interest on your (Principal + Interest of Year 1).
    • Year 3 - You earn interest on your (Principal + Interest of Year 1 + Interest of Year 2).

    Compound interest is the basis of long-term growth of the stock market. It forms the basis of personal savings plans. Compound interest also affects inflation.

    Types of Compound Interest

    There are generally two types of compound interest used.

    • Periodic Compounding - Under this method, the interest rate is applied at intervals and generated. This interest is added to the principal. Periods here would mean annually, bi-annually, monthly, or weekly.
    • Continuous Compounding - This method uses a natural log-based formula and calculates interest at the smallest possible interval. This interest is added back to the principal. This can be equalled to the constant rate of growth for all natural growth. This figure was born out of physics. It uses Euler’s number which is a famous irrational number which is known to more than 1 trillion digits of accuracy. Euler’s number is denominated by the letter “E”.

    Periodic Compound Interest Formula Overview

    There are two formulas you can use to calculate compound interest, depending on what result you wish to find out. You can find out the following:

    • The total value of the deposit.
    • The total compound interest earned.

    Value of the Deposit

    Formulas can be a deterrent to many. If you aren’t savvy with math, your eyes turn away from these codes or just skip them altogether. But once it’s explained, it’s pretty simple to understand. To calculate the total value of your deposit, the formula is as follows:

    P (1+ i/n)nt

    P = Principal invested.

    i = Nominal Rate of Interest.

    n = Compounding Frequency or number of compounding periods in a year.

    t = Time, meaning the length of time the interest is applicable, generally in years.

    Simply put, you calculate the interest rate divided by the number of times in a year the compound interest is generated. For instance, if your bank compounds interest quarterly, there are 4 quarters in a year, so n = 4. This result must be multiplied to the power of the deposit period. For example, if your deposit is for 10 years, t = 10. This whole result should be multiplied by the principal you invested. The result generated will equal the total accumulated value of your deposit. You can find out how much your deposit is worth currently after accumulating interest.

    Total Compound Interest Earned

    To find out how much interest was earned, you can use the following formula for Compound Interest.

    P[(1+ i/n))nt-1]

    Compound Interest Equation and Calculation

    To understand the compound interest equation further, we can break it down in simpler terms. If you decide to invest in a fixed deposit with compound interest, this is how you will earn interest every year.

    Period Deposit Balance
    Investment P
    Year 1 P + iP
    Year 2 (P+ iP) + i(P+iP)

    To collapse this formula, we can pull out factors of (1+i). Simply substitute iP with (1+i) to get the following:

    Period Deposit Balance
    Investment P
    Year 1 P(1+i)
    Year 2 P(1+i)2
    Year 3 P(1+i)3

    Formula for Annual Compound Interest

    To calculate the compound interest for a number of years together, we need to multiply P(1+i) to the power of the number of years of the deposit. So we end up with this formula:

    P (1+ i/n)n

    This formula can be used to calculate compound interest that is compounded annually. This means you receive interest only once a year. It is added to your principal, and you continue to earn interest on the new amount.

    Half-Yearly, Quarterly, Monthly Compound Interest Formula

    If you are earning interest multiple times in a year, you need to factor in this number into the equation. So the formula generated is:

    P (1+ i/n)nt

    This formula can also be used for instances where the interest is compounded once every two years. In this case, n = 0.5, as each year is calculated as half.

    Examples of Compound Interest

    For example, Rs. 10,000 is invested in a fixed deposit for 10 years. The interest is compounded every quarter which means 4 times in a year. The interest paid by the bank is 5%. To find out your nominal rate of interest, you need to divide 5 by 100 which equals 0.05. Now, we look at the formula and substitute the letters with the relevant numbers.

    Calculating the Total Value of the Deposit

    P (1+ i/n)nt

    Step 1: 10,000 (1+0.05/4)4x10

    Step 2: 10,000(1+0.0125)40

    Step 3: 10,000 (1.0125)40

    Step 4: 10,000 (1.64361946349)

    Step 5: 16436.1946349

    We can round of this total to Rs. 16,436.19. So the compound interest earned after 10 years is Rs. 6,436.19.

    Calculating the Interest Earned

    We can also arrive at this figure using the formula for compound interest earned. We can substitute the numbers for letters as seen below:

    P[(1+ i/n)nt -1]

    Step 1: 10,000 [(1+0.05/4)4x10 -1]

    Step 2: 10,000 [(1+0.0125)40-1]

    Step 3: 10,000 [(1.0125)40-1]

    Step 4: 10,000 [(1.64361946349) -1]

    Step 5: 10,000 (0.664361946349

    Step 5: 6436.1946349

    We can now add this interest earned to the principal amount to find out the value of the deposit. The maturity value will be Rs. 16,436.19.

    The earnings through compound interest can be demonstrated with the following graph.

    FD Compund Interest

    Simple Interest vs. Compound Interest

    To demonstrate the difference between simple interest and compound interest, let’s take for example two fixed deposits. Both deposits are of Rs. 10,000 for 10 years. The interest offered on Deposit 1 is 5% compound interest. The interest offered on Deposit 2 is 5% simple interest. The interest is calculated annually on both deposits.

    Period Deposit 1 - Compound Interest Deposit 2 - Simple Interest Difference
    Year 1 Rs. 500 Rs. 500 Rs. 0
    Year 2 Rs. 1,025.00 Rs. 1,000 Rs. 25
    Year 3 Rs. 1,576.25 Rs. 1,500 Rs. 76.25
    Year 4 Rs. 2,115.06 Rs. 2,000 Rs. 115.06
    Year 5 Rs. 2,762.82 Rs. 2,500 Rs. 762.82
    Year 6 Rs. 3,400.96 Rs. 3,000 Rs. 400.96
    Year 7 Rs. 4,071.00 Rs. 3,500 Rs. 571.00
    Year 8 Rs. 4,774.55 Rs. 4,000 Rs. 774.55
    Year 9 Rs. 5,513.28 Rs. 4,500 Rs. 1,013.28
    Year 10 Rs. 6,288.95 Rs. 5,000 Rs. 1,288.95
    FD Comparison

    From the graph above, we can see clearly the higher earnings through compound interest compared to simple interest. The difference is not too much upto the 4th year. This is because the interest accumulated over the years is added to the principal, thus making the principal significantly higher. From Year 5, there is a major difference in the interest earned. At the end of 10 years, Deposit 1 earns Rs. 6,288.95, while Deposit 2 earns Rs. 5,000. The difference between the two is Rs. 1,288.95.

    Compound Interest with Monthly Contributions

    Compounding interest on fixed deposits where you are allowed to make monthly contributions can get a little tricky. For the amount invested during the compounding period, interest will be generated for the initial investment amount + monthly contributions. These deposits are rare but are an extremely good investment with whopping returns.

    For example, Rs. 10,000 is the initial fixed deposit amount. The investor deposits Rs. 1,000 every month for 5 years. If the interest is compounded annually, then the interest will be as follows:

    Period Investment Breakdown Investment + Interest Accumulated Interest Earned Total Value of Deposit
    Year 1 10,000 + 12,000 22,000 1,100 23,100
    Year 2 10000 + (12000 x 2) + 1,100 35,100 1,755 36,855
    Year 3 10000 + (12000 x 3) + (1,100 +1,755) 48,855 2,442.75 51,297.75
    Year 4 10000 + (12000 x 4) + (1,100 +1,755 + 2,442.75 ) 63.297.75 3164.87 66,462.64
    Year 5 10000 + (12000 x 5) + (1,100 +1,755 + 2,442.75 + 3164.87 ) 78,461.75 3,923.13 82,385.77

    Through this table, we can see that the interest earned is accumulated every year and added to the principal amount. The total money contributed by the investor is Rs. 10,000 initially, followed by Rs. 1,000 every month or Rs. 12,000 every year. The investor made a total contribution of Rs. 10,000 + Rs. 60,000. At the end of 5 years, the value of his deposit is Rs. 82,385.77. The total compound interest earned is Rs. 12,385.77.

    The Benefit of Compound Interest

    Compound interest is your biggest friend when it comes to deposits and investments. Working in favor of investments, you stand to gain much more from the interest payable. But compound interest will be your worst enemy when it is calculated on your loan or other debt. You will end up paying significantly more interest on your loan. In terms of fixed deposits, compound interest is a great way of earning more on your investment. You earn much higher returns with compound interest on long term deposits. Compounding interest monthly, quarterly and half-yearly can spike your interest even higher. The benefits of compound interest can be listed as follows:

    • Reinvestment - The interest earned will be reinvested into the same deposit.
    • Higher value of the deposit - Compound interest leads to a higher value of the deposit. Upon maturity, your deposit will be more than a deposit with simple interest.
    • Long-term savings - Compound interest deposits encourage long-term savings as the return on investment is much higher after 10 years or more.
    • Increased Earnings - Options of compounding monthly, quarterly, and half-yearly increase the interest earned.

    Financial platforms where compound interest is applicable

    Compound interest is used for both debit and credit aspects of the financial world. Listed below are some of the investments and credit options that use compound interest.

    Investments

    • Savings Accounts
    • Fixed Deposits
    • Recurring Deposits
    • Other Certificates of Deposits
    • Reinvested Dividend Stocks
    • Retirement Funds

    Debt

    • Loans
    • Credit Cards
    • Mortgages

    When it is used in case of deposits and investments, we stand to benefit. On the other hand, when compound interest is charged on loans and debt, the banks and lenders stand to gain.

    Compound Interest Formula Reviews

    • Punjab National Bank Fixed Deposit
      "Fixed deposit with PNB"
      0.5 5.0/5 "Blown Away!"
      I hold a fixed deposit with PUNJAB NATIONAL BANK. The rate of interest is 4.5% for one year. Even if i withdraw with in the Fixed Deposit period they do not apply any charges. The customer service and response with the fixed deposit account is great.
      Was this review helpful? 0
      , noida
      Reviewed on Jan 11, 2018
    • ICICI Bank Fixed Deposit
      "Average"
      0.5 4.0/5 "Great!"
      I am having the fixed deposit account with the ICICI bank and the interest rate is around 6.5% and the customer service is good one for me with them. I would like to say that the response is above average one for me with the ICICI bank.
      Was this review helpful? 0
      , gurgaon
      Reviewed on Jan 10, 2018
    • Vijaya Bank Fixed Deposit
      "Happy service"
      0.5 4.0/5 "Great!"
      My fixed deposit account was maintained with Vijaya Bank. Its a one time investment of 3L. The branch is near to my place and they send the statements to my email address. They have guided me on online facilities, they were really helpful to me.
      Was this review helpful? 0
      , chennai
      Reviewed on Jan 02, 2018
    • HDFC Bank Fixed Deposit
      "Average service"
      0.5 3.0/5 "Satisfactory"
      I have a fixed deposit with Hdfc,the service was good. I use Hdfc fixed deposit online application which was easy to use still I use to visit their branch directly to deposit it has been 20 years I have taken the fixed deposit with Hdfc it was a fine experience with Hdfc fixed deposit service.
      Was this review helpful? 4
      , mumbai
      Reviewed on Dec 26, 2017
    • Axis Bank Fixed Deposit
      "Good Return"
      0.5 3.0/5 "Satisfactory"
      I had a good investment made an investment in Axis Bank through my Fixed Deposit Account with them. They gave me an interest rate of 8.25%, which I feel is one of the best in the Industry. I took it for a 2 years period and had the option of closing it even before the maturity.
      Was this review helpful? 6
      , mumbai
      Reviewed on Dec 26, 2017
    • ICICI Bank Fixed Deposit
      "Its Better"
      0.5 4.0/5 "Great!"
      ICICI is also good based on the my concern, one month back only I have deposit some amount in FD account. But interest rate is less around 7.25% for senior citizen for the tenure of one year. I have opened FD through offline, I went the bank and submitted KYC . But I could track my FD transaction through online banking.
      Was this review helpful? 2
      , chennai
      Reviewed on Dec 22, 2017
    • Karnataka Bank Fixed Deposit
      "Good "
      0.5 5.0/5 "Blown Away!"
      Karnataka Bank fixed deposit interest rate is good than other banks, they are providing 7.35% of interest for senior citizen. I have went to the branch they provided hassle customer satisfaction. I took FD before two months with this bank for the tenure of one year.
      Was this review helpful? 1
      , chennai
      Reviewed on Dec 22, 2017
    • Punjab National Bank Fixed Deposit
      "Average Investment"
      0.5 3.0/5 "Satisfactory"
      I put a decent amount of my Money into Fixed Deposit and PNB looked to be a perfect fit for that. I got Interest return of 7%, which I feel is quite good compared to the Market standards. The best thing about this Investment is that I can take the whole amount out of the FD any time I want even before maturity.
      Was this review helpful? 5
      , new delhi
      Reviewed on Dec 21, 2017
    • Karnataka Bank Fixed Deposit
      "Good"
      0.5 5.0/5 "Blown Away!"
      I had a Fixed Deposit account with Karnataka Bank. It was taken last year and closed this October 2017. FD is not matured, If I continue paying it my IT returns will go high so decided to closed this account. I have deposited 4L rupees. The customer service and response was up to the mark.
      Was this review helpful? 2
      , bangalore
      Reviewed on Dec 19, 2017
    • SBI Fixed Deposit
      "Nice experience"
      0.5 5.0/5 "Blown Away!"
      I am able to do all my transactions online at State bank of India. I have a fixed deposit account and the process is easy. The features are good and when I contact them they are supportive. The services at the bank can be more proactive and quick to respond.
      Was this review helpful? 12
      , hyderabad
      Reviewed on Dec 14, 2017
    • HDFC Bank Fixed Deposit
      "Excellent"
      0.5 4.5/5 "Excellent!"
      I am having the fixed deposit account with the HDFC bank and the online banking services are good one too. I am happy with the HDFC bank till now. Online banking services are really good one with the HDFC bank.
      Was this review helpful? 9
      , bangalore
      Reviewed on Dec 07, 2017
    • Citibank Fixed Deposit
      "Excellent"
      0.5 5.0/5 "Blown Away!"
      I am having the fixed deposit account with the CITI bank and the rate of interest is lesser one . I would like to say that the online banking services are good one too and am happy with the deposits in CITI bank.
      Was this review helpful? 3
      , bangalore
      Reviewed on Dec 06, 2017
    • Lakshmi Vilas Bank Fixed Deposit
      "Better safety locker"
      0.5 5.0/5 "Blown Away!"
      Based on my savings account , I have got the Fixed deposit from the Lakshmi vilas bank. I have also got the safety locker with the Lakshmi vilas bank. I have this Fixed deposit for past 6months. I get the average interest rate with the Lakshmi vilas fixed deposit.
      Was this review helpful? 2
      , chennai
      Reviewed on Dec 05, 2017
    • review Fixed Deposit
      "Good Protection for future"
      0.5 4.0/5 "Great!"
      I invested 4 lakh in FD with Vishweshwar Sahakari bank, they are providing 8.5 to 9% of interest for the tenure period of 13 months, again reinvest in FD. Initially I went the branch and opened the FD account on same day or else they consider the maturity based on the date opened.
      Was this review helpful? 2
      , pune
      Reviewed on Dec 04, 2017
    • HDFC Bank Fixed Deposit
      "FD is pretty good"
      0.5 5.0/5 "Blown Away!"
      The return in this Bank's Fixed Deposite is pretty good. I believe their customer service is good. The good thing about this account is that I can take the money even during pre-mature stage. It's one of the good investment that I have made recently.
      Was this review helpful? 4
      , new delhi
      Reviewed on Dec 01, 2017
    • HDFC Bank Fixed Deposit
      "Excellent"
      0.5 4.0/5 "Great!"
      I am having the fixed deposit account with the HDFC bank and the online banking services are very much convenient. I would like to say that the response is really good one for me with them. Everything is fine one with the HDFC bank
      Was this review helpful? 4
      , ghaziabad
      Reviewed on Nov 29, 2017
    • Kotak Fixed Deposit
      "Excellent"
      0.5 5.0/5 "Blown Away!"
      I am having the fixed deposit account with the Kotak mahindra bank and the customer service is good one. Interest rate with the deposit is fine like its according to the market rate. Everything is good one with the Kotak mahindra bank.
      Was this review helpful? 4
      , ghaziabad
      Reviewed on Nov 29, 2017
    • Allahabad Bank Fixed Deposit
      "Good Returns"
      0.5 2.0/5 "Expected more"
      I had this Fixed Deposit with Allahabad Bank quite a while ago. The expected return was supposed to be pretty good. But I didn't complete maturity period as I needed the money to get myself a Land in my place. I was allowed to take the money before maturity period, but some amount was charges as a penalty and the rest amount was given to me.
      Was this review helpful? 3
      , pune
      Reviewed on Nov 28, 2017
    • HDFC Bank Fixed Deposit
      "Good service"
      0.5 5.0/5 "Blown Away!"
      I have been banking with Hdfc bank since 2016,they give the best service to the customers.I am using net banking and Mobile App us very comfortable to use.I maintain a minimum balance of 40,000,they give the Best rate of interest.Hdfc products are always best.
      Was this review helpful? 5
      , mumbai
      Reviewed on Nov 28, 2017
    • HDFC Bank Fixed Deposit
      "Excellent"
      0.5 5.0/5 "Blown Away!"
      I am having the fixed deposit account with he HDFC bank and the response is good and I used to get the reminder on every month of time. Everything is fine one with hem. I am happy with the HDFC bank and I really dont have any issues on it.
      Was this review helpful? 3
      , hyderabad
      Reviewed on Nov 28, 2017
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