Project your PPF corpus over the 15-year lock-in with yearly contributions and current interest rate. Tax-free, government-backed savings.
How PPF is calculated
The Public Provident Fund is a 15-year government-backed savings scheme. Interest is set quarterly by the government and compounded annually. Contributions, interest and maturity are all tax-free (EEE).
Value grows yearly: Vₜ = (Vₜ₋₁ + contribution) × (1 + r)Frequently asked questions
What is the PPF lock-in period?
15 years, extendable in 5-year blocks. Partial withdrawals are allowed from the 7th year.
How much can I invest in PPF per year?
Between ₹500 and ₹1.5 lakh per financial year. Contributions qualify for Section 80C deduction.
Is PPF interest fixed?
No, the government reviews the PPF rate every quarter. This calculator assumes a constant rate for projection.
Last updated: 7 July 2026
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For illustration only — not investment advice. FinMint · MintKit