IOB RD Calculator 2025

The IOB RD calculator helps to calculate exactly how much your maturity amount will be for different deposit periods based on the prevailing interest rate and your deposit amount. This will help you choose the right tenure that will maximize your savings.  

Updated On - 06 Sep 2025
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The Indian Overseas Bank (IOB) Recurring Deposit (RD) helps individuals save and earn attractive rates of interest even if they can only invest small amounts of money. With interest that is compounded on a quarterly basis and variable deposit periods that range from 6 months to120 months.

RD account holders can earn a good amount on maturity.

Also, Check - FD Calculator

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Benefits of IOB Recurring Deposit Calculator

There are several benefits to using the IOB RD calculator, such as:

  1. It gives error-free calculations that help make better decisions
  2. It is easily accessible from your mobile, tablet, laptop, or desktop
  3. It is completely free to use
  4. It is easy and intuitive to use
  5. You get instant results
  6. You can compare the interest rates between different maturity periods

  Factors that Influence IOB RD Interest and Maturity Amount

The rate of interest on your IOB RD is influenced by a variety of factors some of which are:

  1. Deposit Maturity Period - The maturity period will determine how much your maturity amount will be as the interest rate is different from one tenure to another.
  1. RBI Reverse Repo Rate - The Reserve Bank of India's reverse repo rate is the rate at which the RBI takes loans from commercial banks. This is directly linked with the RD interest rate.
  2. Depositors Age - Anyone above the age of 60 is offered an additional interest rate of up to 0.50% on their deposits and those above the age of 80 earn 0.75% additional interest compared to the general public.

Calculation of Compound Interest on IOB Recurring Deposit (RD)

IOB recurring deposits will accumulate interest on a compounding basis every quarter. So, when you open an RD account on 1 May, the interest will compound on 1 August, 1 November, 1 February, and 1 May. This cycle repeats till the maturity period is over.

The formula for calculating the compounding interest is given below:

M = R x {(1 + n) x n - 1} / 1- (1 + i) (-1/3)

Where:

M = Maturity value

R = Deposit amount

n = Maturity period (in quarters)

i = Rate of interest divided by (4×100).

The IOB online calculator is based on this formula. So, using the calculator, you can find out how much you will earn in the scenario given below

If you open an IOB RD account with an initial deposit of Rs.2,000 for a period of 1 year at an interest rate of 5.30% p.a., your maturity amount at the end of 1 year will be Rs.24,700.

However, if you use the IOB RD online calculator instead, you will get an error-free calculation in no time at all compared to doing a manual calculation which could be inaccurate and could be more time-consuming.

IOB Recurring Deposit Interest Rates for General Public

The rate of interest for recurring deposits for Resident Indians for amounts up to Rs.2 crore per month is given in the table below:

Period of Deposit 

Rates For Deposits below Rs. 3 crore W.E.F 15 July 2024

180-269 Days 

5.75%

270 Days to < 1 Year 

5.75%

1 Year to < 2 Years  (Except 444 Days) 

7.10%

444 Days 

7.30%

2 Years to < 3 Years 

6.80%

3 Years and Above 

6.50%

Note: The interest rates mentioned in the table above are in effect from 15 July 2024. Rates are subject to change at the sole discretion of the bank.

FAQs on IOB RD Calculator

  • What are the benefits of opening an RD account?

    An RD account inculcates the habit of discipline, consistency, and regularity in savings as it has to be done on a monthly basis. It also earns you attractive rate of interest which will be paid out at the end of the maturity period.

  • How many times can I use the IOB RD calculator for free?

    The IOB RD calculator is free and can be used any number of times as you wish in a day.

  • Can I use the RD calculator if I don't know the interest rate?

    No, you can only use the RD calculator if you know the interest rate of the deposit tenure that you wish to choose. You can find the interest rates given above on this page for your reference.

  • Can I make my RD payments once in two months instead of monthly?

    No, recurring deposits have a monthly schedule for payments and it cannot be done once in two months instead of monthly.

  • Is the IOB RD calculator accessible for use on a mobile device?

    Yes, you can use the IOB RD calculator on your phone or tablet just as well as on your laptop or PC.

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