PPF Calculator

The compounding over 15 years in PPF is non-linear, and the absolute difference between depositing ₹1,00,000 versus ₹1,50,000 per year is far larger than the simple ₹50,000 difference suggests. At 7.1% over 15 years, the additional ₹50,000 per year compounds to about ₹13.5 lakh extra, the equivalent of 27 years of savings on top of what you already invest. A calculator makes this leverage visible instantly.

The most practical use is optimising the 80C allocation. Many investors split their ₹1.5 lakh Section 80C limit across PPF, ELSS, LIC premiums, and home loan principal. Knowing exactly what each allocation to PPF will produce at maturity helps you make a conscious, informed split rather than defaulting to habit. Adjusting the yearly investment slider from ₹50,000 to ₹1,50,000 immediately shows what the full 80C PPF commitment would yield.

The second key use is extension planning. PPF can be extended indefinitely in 5-year blocks after the initial 15 years. Adjusting the tenure slider from 15 to 20, 25, or 30 years shows the dramatic additional corpus generated without any change to your contribution rate. Many investors who understand this extend their PPF rather than withdrawing at 15, the balance at 15 years continues compounding even without fresh deposits. Compare your PPF 30-year projection against what the same yearly contribution in a Recurring Deposit Calculator would yield to appreciate the PPF tax advantage over the long run.

Finally, the reverse mode solves a common planning problem: "I want ₹1 crore tax-free from PPF, what do I need to invest yearly?" The answer from the calculator is far more useful than any rule-of-thumb estimate.

Salaried professionals maximising 80C deductions are the primary audience. For anyone in the 30% tax bracket, the effective post-tax return on PPF is approximately 10.1% (7.1% ÷ (1 − 0.30)), making it competitive with many mid-risk instruments. This group uses the calculator to decide how much of their annual 80C limit to route to PPF versus ELSS or other tax-saving instruments.

Parents planning for a child's education corpus often start a PPF account in a minor child's name (contributes toward the parent's ₹1.5 lakh limit) and rely on the 15-year horizon aligning with higher education costs. The calculator shows the exact corpus available when the child turns 18–20, allowing parents to plan the education funding precisely.

Conservative investors and retirees who want sovereign-guaranteed, risk-free returns without market exposure use PPF as the core of their fixed-income allocation. Unlike FDs, where all interest is taxable, PPF's tax-free returns make it especially valuable for high-income individuals. Use the Fixed Deposit Calculator alongside this one to make the post-tax comparison concrete.

Self-employed professionals and business owners who do not have EPF contributions rely heavily on PPF as their primary long-term savings vehicle. PPF accounts can be held at any major bank (SBI, HDFC, ICICI, Axis) or India Post, making them accessible to this segment without employer involvement.

Retirement planners building a tax-free withdrawal corpus use PPF as a complement to NPS. While NPS requires mandatory annuity purchase at retirement and is partially taxable, PPF withdrawals are 100% tax-free, making the two instruments useful together for diversified, tax-efficient retirement income.

Maturity Amount is the total corpus you will receive at the end of your investment horizon, principal plus all compounded interest, completely tax-free. This is the headline number to compare against your financial goal (education fund, retirement corpus, house down payment). Because PPF maturity is tax-free, this is the actual amount available to you, unlike FD or debt fund maturity where tax reduces the take-home figure.

Total Invested is the sum of all your yearly deposits over the investment period. This anchors the calculation, it is the actual cash you put in out of pocket. For a 15-year PPF at ₹1,50,000/year, this is exactly ₹22,50,000. Comparing this to the maturity amount shows the absolute rupee gain from compounding.

Total Interest Earned is the wealth created purely by the government-backed compound interest, the difference between maturity amount and total invested. For the standard ₹1,50,000/year × 15-year scenario, this is approximately ₹18.18 lakh, nearly 81% of the invested principal added as tax-free interest. Over 25 years, the interest earned overtakes the principal invested by 3–4x, which is the compounding effect at its most powerful.

The pie chart shows the invested vs interest split visually. Early in the journey (first 8–10 years), the invested slice dominates, this is the "J-curve" effect of long-term compounding where gains are slow to start and accelerate dramatically in later years. By year 25, the interest slice should be significantly larger than the invested slice for any reasonable PPF contribution.

Reverse Mode, Yearly Investment Required tells you how much to deposit per year to reach a specific maturity target. This directly answers the goal-based planning question without any arithmetic on your part.

1. Enter your Yearly Investment, the amount you plan to deposit in your PPF account each financial year. This must be between ₹500 and ₹1,50,000. Use the slider to quickly model different annual commitment levels. Most investors target ₹1,50,000 to maximise the 80C deduction.

2. Set the Interest Rate, the default of 7.1% reflects the current government-set rate. If you want to model a conservative scenario (in case the rate is reduced in future reviews), lower it to 6.5–7%. For an optimistic scenario, try 7.5–8% to see the upside. Use the slider to explore the full sensitivity range.

3. Choose your Investment Period, 15 years is the mandatory minimum. Move the slider to 20, 25, or 30 years if you plan to extend the account after the initial lock-in. Even without fresh deposits after year 15, the balance continues to earn interest, so a 20-year scenario may represent 15 years of contributions plus 5 years of passive growth.

4. Read the outputs, the Maturity Amount shows your projected tax-free corpus, Total Invested shows your actual outlay, and Total Interest Earned shows the wealth added by compounding. The pie chart visualises the invested vs gains split.

5. Switch to Reverse Mode for goal-based planning, click the reverse toggle, enter your target Maturity Amount, keep the interest rate and investment period, and the calculator tells you the yearly deposit required. Check whether the required deposit is within the ₹500–₹1,50,000 range. If not, either extend the tenure or use the SIP Calculator to model the additional corpus needed from equity investments.

6. Compare scenarios by adjusting tenure, slide from 15 to 25 years and observe how the maturity amount changes. The dramatic jump between 20 and 25 years illustrates exactly why financial planners recommend not withdrawing from PPF at the 15-year mark unless there is a pressing need.