Free PPF Calculator – Public Provident Fund Maturity

How the PPF Calculator Projects Your Maturity Value

Public Provident Fund is a government-backed long-term savings scheme with a 15-year lock-in, and this calculator projects what your account will be worth at the end of it. You enter three things: the amount you deposit each year, the current interest rate, and the number of years. Out come three figures — the maturity value, the total you actually put in, and the interest the scheme added on top. That third number is the one worth staring at, because over a full 15-year term the interest typically exceeds three-quarters of what you contributed. Salaried savers building a tax-free retirement pot, parents saving toward a child's education, and self-employed people without an EPF account are the usual users. The method is annual compounding on a growing balance. Each year the tool adds your deposit to the existing balance and then applies the interest rate to the whole amount: new balance = (previous balance + yearly deposit) × (1 + rate ÷ 100). Repeat that for every year of the tenure and the final balance is your maturity value. Total invested is simply the yearly deposit multiplied by the number of years, and total interest is maturity minus that. The variables are the yearly deposit (capped at ₹1.5 lakh under current rules), the annual rate, and the tenure — 15 years by default, extendable in five-year blocks. Here is the full arithmetic at the maximum deposit. Put in ₹1,50,000 a year at 7.1 per cent for 15 years. After year one the balance is 150,000 × 1.071 = ₹1,60,650. Year two adds another deposit first: (1,60,650 + 1,50,000) × 1.071 = ₹3,32,706. Carry that forward thirteen more times and the maturity value reaches about ₹40,68,209. You contributed ₹22,50,000 across those fifteen years, so the interest earned is roughly ₹18,18,209 — around 81 per cent of what you deposited, all of it added by compounding rather than by you. The planning uses are concrete. A 32-year-old wanting a tax-free corpus at 47 can see that the maximum annual deposit gets them to just over ₹40 lakh, and decide whether that is enough or whether PPF should sit alongside equity investments. A parent with a nine-year-old can project the balance available for college fees. Someone who can only spare ₹50,000 a year sees a maturity of about ₹13,56,070 against ₹7,50,000 invested, which is often enough to convince them the smaller amount is still worth starting. And an account holder reaching year 15 can model a five-year extension: continuing the same ₹1.5 lakh deposits for 20 years total pushes the corpus to roughly ₹66,58,288, because the last five years compound on an already-large balance. A few real caveats. The rate is set by the government and revised every quarter, so a 15-year projection at today's rate is an estimate rather than a guarantee — rerun it whenever the rate changes. The timing trap catches many savers: PPF interest is calculated on the lowest balance between the fifth and the last day of each month, so a deposit made on the tenth earns nothing for that month. Deposit before the fifth of April to capture a full year of interest on the whole amount. Also note the ₹1.5 lakh annual ceiling across all your PPF accounts combined, and that withdrawals before year 15 are heavily restricted, with partial withdrawals only from year seven. This is a projection tool, not financial advice; confirm current rules and rates with your bank or post office. One habit that helps: set a standing reminder for early April each year so the deposit never slips past the fifth. Everything runs in your browser, so your figures are never uploaded or stored.

PPF Calculator Formula & Method

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