What is a PPF Calculator?
A PPF Calculator is a free online tool that estimates how much your Public Provident Fund account will grow to by the time it matures. You enter the amount you plan to deposit each year and the investment period, and the calculator instantly shows your total contribution, the total interest earned, and the final maturity corpus — without the need to manually work through 15 years of annual compounding.
The Chola Securities PPF Calculator is built to mirror how the scheme actually works, compounding your yearly deposits at the current government-set PPF rate of 7.1% per annum, so the figures closely reflect what a real PPF account would accumulate.
What is a Public Provident Fund?
A Public Provident Fund (PPF) is a long-term savings scheme backed by the Government of India. It combines guaranteed, government-declared returns with complete capital safety and one of the most generous tax structures available on any savings instrument in India — making it one of the most widely used tools for long-term financial planning.
Key scheme details:
- Tenure: 15 years, with the option to extend in blocks of 5 years any number of times after maturity.
- Deposit limits: A minimum of ₹500 and a maximum of ₹1,50,000 per financial year.
- Interest rate: Currently 7.1% per annum, set and revised quarterly by the Government of India, compounded annually.
- Tax status: EEE (Exempt-Exempt-Exempt) — contributions qualify for deduction under Section 80C, and both the interest earned and the maturity proceeds are fully tax-free.
- Liquidity: Partial withdrawals are permitted from the 7th year, and a loan facility against the balance is available from the 3rd year.
How does the PPF Calculator work?
The calculator assumes you deposit a fixed amount once each year, with interest compounding annually at the PPF rate. At the end of every year, the accumulated balance plus that year's new deposit earns interest for the following year. Repeating this across the full tenure gives the maturity value.
For a constant yearly contribution, this can be written as:
A = P × [((1 + r)^n − 1) / r] × (1 + r)
Here A is the maturity amount, P is the yearly deposit, r is the annual interest rate (as a decimal), and n is the number of years.
Worked example: Deposit ₹1,00,000 every year at 7.1% per annum for 15 years. Your total contribution over the period is ₹15,00,000. Applying the annual compounding formula across all 15 years, the maturity value grows to approximately ₹27,12,139 — of which ₹12,12,139 is tax-free interest, meaning the scheme generates roughly 80% more than your actual contribution purely through compounding over time.
How do I use Chola Securities' PPF Calculator?
Using the calculator takes two steps.
- Step 1 — Enter your yearly deposit. Type the amount you plan to invest each year, between ₹500 and ₹1,50,000.
- Step 2 — Choose your investment period. The standard PPF tenure is 15 years, but you can also extend this to model what the corpus looks like with 5-year extensions.
The calculator applies the current government PPF rate of 7.1% per annum automatically and instantly shows your total invested amount, total interest earned, and estimated maturity value. Adjust either input to compare scenarios — for example, see how increasing your yearly deposit or extending the tenure affects your final corpus.
Why invest in PPF?
- Guaranteed, risk-free returns — backed by the Government of India with no market exposure whatsoever.
- Triple tax benefit (EEE) — deposits are deductible under Section 80C, and both interest and maturity proceeds are fully tax-free.
- Power of compounding — annual compounding over 15 or more years allows even modest yearly deposits to grow substantially, as the worked example above shows.
- Flexible deposit amounts — invest between ₹500 and ₹1,50,000 each year in a lump sum or in instalments.
- Built-in liquidity options — partial withdrawals from year 7 and a loan facility from year 3 offer access to funds when genuinely needed.
- Extendable beyond 15 years — the account can be extended indefinitely in 5-year blocks, making it suitable for retirement planning well beyond the initial tenure.