CalcInfinityPPF Calculator
Calculate how much your Public Provident Fund will be worth at maturity.
What is PPF?
The Public Provident Fund (PPF) is a government-backed long-term savings scheme with a mandatory 15-year lock-in. It offers a fixed interest rate set by the government every quarter, and both the interest earned and the maturity amount are entirely tax-free. Anyone, including a parent on behalf of a minor child, can open a PPF account at a bank or post office.
Worked Example — ₹1,50,000/year at 7.1%
Frequently Asked Questions
Depositing the maximum ₹1,50,000.00/year doesn't reach ₹1 crore within the base 15-year term — it takes about 25 years (the 15-year minimum plus two 5-year extensions) at a 7.1% rate to cross it, as shown in the worked example above.
Common Mistakes to Avoid
- Deposits are modeled annually, not monthly. If you contribute monthly, enter your total for the year — PPF interest is credited annually regardless of how often you deposit.
- The maximum is ₹1,50,000 per year, per person — not per account. Depositing more than the limit doesn't earn extra interest; the excess isn't eligible for interest or the Section 80C deduction.
- 15 years is a minimum, not a fixed end date. PPF can only be extended in 5-year blocks after the initial 15 — a 17 or 22-year tenure isn't a valid closed term.
References
- Ministry of Finance, Government of India
- National Savings Institute
Last reviewed July 2026
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