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Calculate Public Provident Fund maturity amount at the current 7.1% rate. Plan ₹500 to ₹1.5 lakh yearly investments across 15-year base tenure or extended 20/25/30-year horizons. EEE tax-free maturity + 80C deduction included.
Min ₹500 • Max ₹1,50,000 per FY
Default 7.1% — reviewed quarterly by GoI
15 base + 5-year extension blocks
| Year | Invested | Interest | Balance |
|---|---|---|---|
| Year 1 | ₹1,50,000 | ₹10,650 | ₹1,60,650 |
| Year 2 | ₹3,00,000 | ₹22,056 | ₹3,32,706 |
| Year 3 | ₹4,50,000 | ₹34,272 | ₹5,16,978 |
| Year 4 | ₹6,00,000 | ₹47,355 | ₹7,14,334 |
| Year 5 | ₹7,50,000 | ₹61,368 | ₹9,25,701 |
| Year 6 | ₹9,00,000 | ₹76,375 | ₹11,52,076 |
| Year 7 | ₹10,50,000 | ₹92,447 | ₹13,94,524 |
| Year 8 | ₹12,00,000 | ₹1,09,661 | ₹16,54,185 |
| Year 9 | ₹13,50,000 | ₹1,28,097 | ₹19,32,282 |
| Year 10 | ₹15,00,000 | ₹1,47,842 | ₹22,30,124 |
| Year 11 | ₹16,50,000 | ₹1,68,989 | ₹25,49,113 |
| Year 12 | ₹18,00,000 | ₹1,91,637 | ₹28,90,750 |
| Year 13 | ₹19,50,000 | ₹2,15,893 | ₹32,56,643 |
| Year 14 | ₹21,00,000 | ₹2,41,872 | ₹36,48,515 |
| Year 15 | ₹22,50,000 | ₹2,69,695 | ₹40,68,209 |
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Public Provident Fund (PPF) is the most popular long-term savings scheme run by the Government of India. It offers a guaranteed sovereign return (currently 7.1% p.a.) with the highest tax-treatment tier — Exempt-Exempt-Exempt (EEE) — meaning your contributions, interest, and maturity are all tax-free.
Yearly investment is flexible from ₹500 to ₹1.5 lakh per financial year. The ₹1.5 lakh contribution qualifies for full Section 80C deduction. Combined with the EEE status, a 30%-slab investor effectively earns over 10% pre-tax-equivalent return on PPF — competitive with debt mutual funds without any market risk.
Lock-in is 15 years from the financial year of opening, with partial withdrawals allowed from year 7 (50% of balance at end of 4th preceding year). Loans against PPF balance are available from year 3 to year 6. After year 15, you can extend in 5-year blocks indefinitely with or without further contributions.
PPF (7.1%, EEE, 15-year lock-in) wins for risk-averse investors who can wait. ELSS mutual funds (10-14% historical, taxable LTCG above ₹1.25L, 3-year lock-in) win for higher long-term returns and shorter lock-in but carry market volatility. NPS Tier-1 (8-10% balanced, partial taxability at retirement, lock-in till 60) wins for retirement corpus.
For a young salaried investor with 30+ years to retirement, a typical mix is ₹1.5 lakh PPF + ₹50K NPS 80CCD(1B) + ELSS for higher growth. PPF anchors the safe portion; ELSS amplifies returns; NPS structures retirement.
Tax-saving FDs (5-year lock-in, 6.5-7.5%, fully taxable interest) and life insurance premiums (low pure return) are usually inferior to PPF for the same 80C slot. The exception is term insurance which is for protection, not investment.
PPF interest is calculated on the lowest balance between the 5th and end of each month, then compounded annually on March 31. To maximise interest, deposit your yearly contribution before the 5th of April — this ensures the entire amount earns interest for the full 12 months.
If you split deposits monthly, deposit before the 5th of each month so that month's interest counts on the full balance. Late-month deposits (after the 5th) effectively forfeit one month of interest because the calculation looks at the lowest 5th-to-end-of-month balance.
Year-end interest is credited on March 31 and added to the running balance. The next year's interest then compounds on the new (higher) base. This is what produces the steep curve you see in the chart above — the last 3-5 years of a 15-year PPF earn most of the total interest.