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Invest NowA PPF Calculator is an online financial utility engineered to project three numbers: the final maturity corpus, total principal invested, and cumulative interest accrued over a chosen investment horizon.
Three parameters drive every calculation:
| Yearly Investment | Time Period (Tenure) | Rate of Interest |
|---|---|---|
| Your annual deposit into the PPF account (minimum Rs 500, maximum Rs 1,50,000 per financial year per Government of India regulations). | The investment duration, starting from the mandatory 15-year lock-in, with optional 5-year block extensions thereafter. | The Government-mandated rate, currently 7.1% per annum as of Q1 FY2025-26; the rate is reviewed quarterly by the Ministry of Finance. |
One mechanical aspect that the calculator takes into consideration but is often missed in other tutorials is that, even though the interest earned from the PPF scheme is compounded and credited annually, the calculations for earning that interest occur monthly. These calculations are based on the lowest balance in your account during the months of the calendar year, from the 5th till the last day of each month. That’s why it is very important to deposit before the 5th of April each year.
When deposits are made at the beginning of a period, the maturity value follows this geometric compounding formula:
A = P × [ (1 + r)n − 1 r ] × (1 + r)
The variables are:
| Variable | Represents |
|---|---|
| A | Final Maturity Amount at the end of the investment cycle |
| P | Annual Investment Amount (the constant principal installment) |
| r | Annual Interest Rate expressed as a decimal (Rate ÷ 100) |
| n | Total Investment Time Period in years |
Worked example at maximum contribution:
A depositor making investments of Rs 1,50,000 per year at 7.1 percent rate of interest for 15 years reaches a maturity value of Rs 40,68,209, which consists of Rs 22,50,000 as interest earned.
Year-by-year growth breakdown (Rs 1,50,000 annual deposit at 7.1%):
| Year | Opening Balance | Deposit | Interest Earned | Closing Balance |
|---|---|---|---|---|
| 1 | Rs 0 | Rs 1,50,000 | Rs 10,650 | Rs 1,60,650 |
| 2 | Rs 1,60,650 | Rs 1,50,000 | Rs 22,056 | Rs 3,32,706 |
| 3 | Rs 3,32,706 | Rs 1,50,000 | Rs 34,272 | Rs 5,16,978 |
| 4 | Rs 5,16,978 | Rs 1,50,000 | Rs 47,355 | Rs 7,14,334 |
| 5 | Rs 7,14,334 | Rs 1,50,000 | Rs 61,368 | Rs 9,25,701 |
| 6 | Rs 9,25,701 | Rs 1,50,000 | Rs 76,375 | Rs 11,52,076 |
| 7 | Rs 11,52,076 | Rs 1,50,000 | Rs 92,447 | Rs 13,94,524 |
| 8 | Rs 13,94,524 | Rs 1,50,000 | Rs 1,09,661 | Rs 16,54,185 |
| 9 | Rs 16,54,185 | Rs 1,50,000 | Rs 1,28,097 | Rs 19,32,282 |
| 10 | Rs 19,32,282 | Rs 1,50,000 | Rs 1,47,842 | Rs 22,30,124 |
| 11 | Rs 22,30,124 | Rs 1,50,000 | Rs 1,68,989 | Rs 25,49,113 |
| 12 | Rs 25,49,113 | Rs 1,50,000 | Rs 1,91,637 | Rs 28,90,750 |
| 13 | Rs 28,90,750 | Rs 1,50,000 | Rs 2,15,893 | Rs 32,56,643 |
| 14 | Rs 32,56,643 | Rs 1,50,000 | Rs 2,41,876 | Rs 36,48,519 |
| 15 | Rs 36,48,519 | Rs 1,50,000 | Rs 2,69,690 | Rs 40,68,209 |
*Calculated at 7.1% p.a. compound annual rate. Actual figures may vary based on deposit timing and prevailing interest rates.
A PPF account reaching maturity at 15 years does not have to close. The account holder can extend it in standardised 5-year blocks, indefinitely, with two distinct strategies available:
| Extension with fresh contributions | Extension without further deposits |
|---|---|
| Compounding continues aggressively on the accumulated balance while new annual deposits expand the interest-earning base. The corpus that took 15 years to build starts compounding at a far larger base, which is why the returns from an extension period typically dwarf the absolute interest earned in early years. Use this strategy when you still have surplus to deploy and want to maximise the PPF's tax-free growth. | The existing corpus locks in at the prevailing sovereign PPF rate and compounds passively; no new capital required. This is the cleaner choice for investors who want the PPF balance to keep growing tax-free without tying up fresh capital, particularly in retirement or when redirecting new savings elsewhere. |
Both strategies carry no tax liability on the growth. The extension form must be submitted within one year of the original maturity date; failing to do so defaults the account to no-contribution extension mode.
PPF falls under the EEE (Exempt-Exempt-Exempt) tax exemption category as per the Income Tax Act. It is one of India’s most tax-efficient long-term saving schemes for individual investors.
Tax Exemption in 3 Levels is as follows:
| Exempt Contribution | Yearly contribution up to Rs 1,50,000 is allowed for deduction against gross income under section 80C of the ITA, making the income tax payable by you lower for that year. |
| Exempt Accumulation | The total interest accrued to the PPF Account for the whole period is tax-free. In contrast, the interest earned on fixed deposits is taxed every year despite its withdrawal or not. The interest is accrued completely tax-free for a period of 15 years and more. |
| Exempt Maturity | Complete maturity value, consisting of the principal amount along with the accumulated interest, is withdrawn without any tax burden at all. |
The investor falling under the 30% tax bracket who opts for the old regime and is eligible to claim the full Section 80C deduction may reduce tax liability by up to Rs. 45,000 (approximately excluding cess and surcharge). The compounding effect of putting that money saved in PPF account after 15 years will make a huge difference to the corpus.
PPF is the bedrock of a conservative wealth plan: sovereign-backed, fully tax-exempt, long-duration compounding with negligible sovereign credit risk. But it is one component of a complete investment strategy, not the whole of it.
Building wealth across market cycles means pairing the stability of PPF with equity exposure through Systematic Investment Plans in mutual funds, direct equity positions in high-conviction stocks, and derivative hedging strategies that protect the portfolio during volatility. Jainam's ecosystem is built for exactly this transition.
| JLite and JPlus provide fast, intuitive interfaces for executing equity and derivatives trades, whether you're a first-time equity investor stepping beyond fixed income or an experienced trader managing a portfolio across asset classes. | SmartGreek and SmartDelta add sophisticated options analytics, real-time Greeks tracking, and delta-neutral strategy tools for investors who want institutional-grade risk management in a retail-accessible format. | Jainam Pro 2.0 brings these capabilities together in a unified workspace, handling everything from stock research and order placement to margin tracking and portfolio P&L in one screen. |
PPF is the foundation for your savings and Jainam's platform helps you build everything on top of it.
If you fail to deposit the mandatory minimum of Rs 500 in any financial year, the PPF account turns inactive and loses structural benefits. Reactivating a lapsed account requires a penalty of Rs 50 per inactive financial year plus a default deposit of Rs 500 for each year of non-contribution. Both must be paid together before the account can resume active status.
No. The Government of India rules allow a person to have only one PPF account in his or her own name. However, there is an exception, which includes opening the account in the name of a minor by his or her guardian. In case of duplication of accounts, the interest does not accrue in the second account and needs to be either regularized or closed.
Partial withdrawal facilities are available from the 7th financial year onwards; partial withdrawals will only be allowed up to 50% of the balance remaining at the end of the fourth year prior to the current financial year or immediately prior year, whichever is smaller. Premature closure in full prior to five years is not permissible under any circumstances. After the expiry of five years, premature closure is allowed on certain grounds only, such as higher education of children and critical illness. All other closure requests must wait for the 15-year maturity.
The rate of interest will be calculated on a monthly basis by taking into consideration the lowest amount of money held during the period from the 5th to the last day of the month and is credited to the account only once in a year. This implies that any deposit made up to the 5th of any month gets to earn interest for that month.
The interest rate of the Government-mandated PPF scheme for quarter one of fiscal year 2025-26 is 7.1% per annum. This interest rate is announced by the Ministry of Finance on a quarterly basis; the interest rate has stayed constant at 7.1% since April 2020. Please note to check the most recent quarterly interest rate by Ministry of Finance.
No. According to the existing Foreign Exchange Management Act rules, NRIs are prohibited from opening new PPF accounts. However, an NRI who had opened a PPF account prior to becoming an NRI is allowed to operate that account till it matures but not after that.
Minimum contribution amount required is Rs 500 per annum in a financial year. If this requirement is not fulfilled, then the account becomes inactive. Maximum contribution amount allowed per annum in a financial year is Rs 1,50,000 per person. Any excess contributions made above this limit will not earn any interest.
Use the Jainam PPF Calculator to model your risk-free corpus across different contribution levels and tenures. When you’re ready to complement that foundation with equity or mutual fund exposure, open a Jainam account and access JLite or JPlus for direct stock investing, SmartGreek for options analytics, and SmartDelta for portfolio-level delta monitoring — all integrated in a single dashboard that lets you manage fixed-income and equity positions without switching platforms.
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