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Free calculator

PPF calculator

What yearly deposits into a Public Provident Fund account add up to over 15 years and through each five-year extension — shown year by year.

Minimum ₹500, maximum ₹1,50,000 a year.
7.1% is the notified rate for July–September 2026. The government resets it every quarter — the next announcement is due around 30 September 2026 — so treat a constant rate as an assumption.
Each block adds five years.
Balance after 15 years—
You deposit—
Interest earned—

Deposits
—
Interest
—

Educational tool with simplified assumptions. Returns are not guaranteed; actual results will differ. This is not investment, tax or legal advice.

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Year by year

Your PPF balance each year

YearDepositInterestBalance

Year 15 is the original maturity; every fifth year after it closes an extension block. Balances are at 31 March, after interest is credited.

How it works

The maths, in plain English.

How PPF interest works. Interest is worked out every month on the lowest balance between the 5th and the end of the month, and credited once a year on 31 March. A deposit made by 5 April therefore earns a full year's interest; twelve equal deposits made by the 5th of each month earn, on average, 13/24 of a year in the year they are made.

Fifteen years, then blocks of five. The account matures after fifteen complete financial years following the year it was opened. You may then close it, or extend it in blocks of five years — with fresh deposits, or without deposits while the balance keeps earning interest. The calculator counts fifteen deposits; an account opened early in a financial year can take a sixteenth.

Tax. Interest and the maturity amount are exempt under both regimes. The deposit itself qualifies for the Section 80C deduction (up to ₹1.5 lakh, shared with EPF, ELSS, life premiums and the rest) only in the old regime; the new regime gives no deduction for it. [VERIFY] The section numbers for these provisions under the Income-tax Act, 2025 should be confirmed before being quoted.

Assumptions. The rate you choose stays constant for the whole period — it will not, since it is reset quarterly. No loans or partial withdrawals. Interest is not rounded to the rupee as the post office or bank would. Deposits above ₹1.5 lakh a year earn no interest and are ignored.

Sources (checked 19 Sep 2026). Business Today, small-savings rates for July–September 2026, 30 Jun 2026 · Department of Economic Affairs, small savings notifications · Public Provident Fund Scheme, 2019 — deposit limits, maturity and extension

Questions

FAQ

What is the PPF interest rate now?
7.1% a year for the July–September 2026 quarter, unchanged since April 2020. The Finance Ministry reviews small-savings rates every quarter; the rate for October–December 2026 is due around 30 September 2026.
How much will ₹1.5 lakh a year in PPF become in 15 years?
About ₹40.68 lakh if the rate stays at 7.1% and each deposit is made by 5 April — ₹22.5 lakh of deposits and ₹18.18 lakh of interest. The rate is reset quarterly, so the actual figure will differ.
Why should I deposit before the 5th?
Because interest for a month is paid on the lowest balance between the 5th and the month-end. Money deposited on the 6th earns nothing for that month. A full-year deposit by 5 April earns interest for all twelve months.
Can I extend my PPF account after 15 years?
Yes, in blocks of five years, as many times as you like. You can continue depositing, or leave the balance to earn interest without new deposits. The choice has to be made within a year of maturity.
How is PPF treated under the new tax regime?
The deposit gets no deduction under the new regime, because Section 80C is not available there. Interest and maturity proceeds stay tax-free under both regimes. Whether PPF suits you depends on your goals; this page only does the arithmetic.
Can I deposit more than ₹1.5 lakh a year?
No. ₹1.5 lakh per financial year is the limit across your own account and any account you hold as guardian for a minor. Excess deposits earn no interest and no deduction.