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What is a PPF Calculator ?

A PPF calculator is a simple online tool that helps you compute how your investment in the Public Provident Fund (PPF) will grow over a given period of time. It shows you the total interest or returns that you will earn on the amount invested in your PPF account. 


The Public Provident Fund or PPF scheme is an initiative launched by the government of India to promote long-term savings and investments among the Indian population. Here are some of the key features of the Public Provident Fund investment scheme. 

  • You can open your account with just ₹100.

  • You need to invest at least ₹500 each year to keep your account active.

  • The maximum investment amount permitted each year is ₹1,50,000.

  • You can make up to 12 deposits during the year.

  • The current rate of interest on PPF deposits (as of October 2022) is 7.10% per annum.


So, as you can see from the features outlined above, you can invest a lump sum amount or make deposits in instalments in your PPF account each year, for a period of 15 years. Over this period, you will earn interest on your investments at the rate fixed by the government of India. At the end of the investment tenor, you can withdraw your corpus along with the interest generated on the deposited amount. 


A PPF interest calculator helps you figure out how much interest you will earn on the capital invested. Using this online tool, you can plan your PPF investment smartly, since you will have a better idea of how much your corpus will grow over the investment tenor. 


To use a PPF calculator, here is what you need to do:

  • Step 1: Enter the amount that you plan to deposit periodically into your PPF account.

  • Step 2: Choose the frequency of investment, which can be monthly, quarterly or annually.

  • Step 3: Enter the rate of interest applicable on your PPF investments. This might also be available by default in some PPF  maturity calculators. 

  • Step 4: Submit these details and check out the interest and the maturity amount that the PPF interest calculator will display on the screen. 


ppf calculator

Benefits of a PPF Calculator

It is Free and Easy to Use

A PPF interest calculator is extremely easy to use. All you need to do is submit a few basic details, as outlined above. Once you do this, the Public Provident Fund calculator will instantly display the results showing your earnings and the maturity amount. The best part is that you can use this online tool free of cost as many times as you need to.

You can Plan Your Investments

The PPF calculator also makes investment planning possible. You can run multiple iterations on this tool to understand how your returns will vary across different investment tenors or for different deposit amounts. This way, you can identify the ideal investment period and the right amount of capital needed to create the corpus you need for your long-term goals. 

It Helps With Tax Planning

PPF is also a tax-saving investment, since the amount you invest in the scheme is eligible for tax deduction up to ₹1.5 Lakhs each year. You can use a PPF calculator to figure out how much you can invest during the year and what returns you will earn thereon, while also planning for reducing your tax liability accordingly. 

PPF Calculation for Different Investment Periods

The investment tenor for the Public Provident Fund scheme is 15 years. However, after the 15-year period is complete, you can extend your investments by blocks of 5 years. The returns you earn on your investments will depend on the investment tenor. 


Here is a preview of the maturity amount calculations for different investment periods. The following particulars have been considered for this example.

  • You invest ₹1 Lakh each year in your PPF account.

  • The rate of interest is 7.10% per annum.


In that case, here is how your investment will grow across different investment periods. 

Investment Tenor

Total Amount of Investments Made

Total Interest Earned

Maturity Amount

15 years




20 years




25 years




30 years




As you can see, thanks to the power of compounding, you can grow your corpus to over ₹1 Crore by simply investing just ₹1 Lakh a year for 30 years. 

What is the Formula for Calculating PPF?

If you saw the above table and were wondering about how the interest and the maturity amounts were computed, here is the formula that is used to arrive at these numbers. 


A = P [({(1+i)n}-1) ÷ i


Here, the alphabets stand for the following metrics:

  • A is the maturity amount at the end of the period being used for the calculation

  • P is the amount invested in the PPF account

  • i is the rate of return/interest on the PPF scheme prevailing at the time

  • n is the investment tenor being considered for the calculation


As you can see, this can be quite a complex formula to use manually each time you want to compute the maturity amount due from your PPF account or the interest you will earn on your PPF deposits. Not only is it cumbersome, but it may also lead to many errors if you perform the calculations manually. 


This is why it is advisable to make use of a PPF calculator if you want to check the returns your Public Provident Fund account will offer you. So, if you are in the process of planning your long-term investments, consider using this efficient online tool for better results. 

Important Terms to Understand in PPF

Now that you know all about using a PPF interest calculator, you need to understand more about the PPF investment scheme itself. This will help you use the PPF returns calculator in a more informed manner and appreciate the results shown by the online tool. It will also make investment planning easier. 


So, here are some key terms that you should know to properly understand the workings of a PPF account.

  • Opening Balance

The opening balance in your PPF account is the account balance recorded at the beginning of each financial year. 

  • Interest Earned

The interest earned during a financial year is the return that you get on your PPF account balance. It is calculated on a monthly basis, on the lowest balance in your PPF account between the 5th day of the month and the end of the month.

  • Amount Deposited

This is simply the amount that you may deposit into your Public Provident Fund account. You can make a deposit every month, every quarter or each year. However, the deposits are subject to certain limits. The minimum amount you can deposit in a year is ₹500, while the maximum is ₹1,50,000. 

  • Closing Balance

The closing balance is the balance in your Public Provident Fund account at the end of the financial year. It will include all the deposits you made into your account as well as the interest or returns earned thereon. A PPF calculator can help you compute these returns. 

  • Withdrawal

Withdrawal from your PPF account is essentially breaking the investment and taking the funds out of your account. The Public Provident Fund has specific rules for both partial and complete withdrawals. Complete withdrawal is permitted after the end of 15 years from the date of opening your account. 


On the other hand, partial withdrawal is permitted from the sixth financial year after account opening. You can withdraw up to 50% of the balance in your PPF account, and only one partial withdrawal is permitted each year. 


This sums up the key details about a PPF calculator and how it can benefit you in many ways. So, if you are planning to invest in the Public Provident Fund scheme, consider using this online tool to make a more informed decision. 

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The information provided by BFDL herein above is related to the Non-Partnered Banks/ NBFCs and is just for the purpose of information and under no circumstances the information provided hereinabove is intended to be source of advice or recommending any financial investment advice or endorsement of any sort. 

The information including interest rates with regard to fixed deposit, provided on this website is gathered through publicly available sources over the internet and is considered as accurate and reliable to the best of our knowledge. BFDL disclaims any responsibility or liability regarding inaccuracies, omissions, mistakes etc. as well as offers by the Non-Partnered Banks. The use of information set out is entirely at the User’s own risk and User should exercise due care prior taking of any decision, on the basis of information mentioned hereinabove. You are advised to visit/ contact the respective Banks/ NBFCs to verify the information before making any investment or opening an account. Further, BFDL does not undertake any responsibility or liability to update this information. YOU ARE SOLELY RESPONSIBLE FOR ANY LIABILITY OR DAMAGE YOU INCUR THROUGH ACCESS TO OR USE OF THE SITE OR SUCH INFORMATION OR MATERIALS EXCEPT WHERE THE LAWS AND REGULATIONS OF A PARTICULAR JURISDICTION CONCERNING WARRANTIES CANNOT BE WAIVED. Additionally, display of any trademarks, tradenames, logo and other subject matters of intellectual property owners. Display of such Intellectual Property along with the related product information does not imply BFDL’s partnership with the owner of the Intellectual Property of such products. 

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FAQs About PPF Calculator

The PPF calculator is an online tool that shows you the amount of returns or interest you will earn on your PPF investments. It also shows you the maturity amount that you will have at the end of the investment period. 

Yes, the PPF maturity calculator is free to use online. You need not pay any fees to make use of this nifty online tool.

The PPF maturity amount is calculated as the sum of the total deposits you made into your account over the course of the investment tenor, and the interest earned on these deposits. You can get to know your PPF maturity value by using a PPF maturity calculator online. 

To use the PPF returns calculator, you simply need to input the details required online. These details include the following:

  • The amount of investment you will make

  • The frequency of the investment (whether monthly, quarterly or yearly)

  • The tenor of the investment

  • The rate of interest prevailing

Once you submit this information, the PPF returns calculator will compute the interest you will earn on your deposits over the time period chosen. 

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