PPF Calculator
Determine interest and maturity values of your Public Provident Fund (PPF) tax-free savings.
How This is Calculated (Formula Transparency)
F = P * [ ((1 + r)^t - 1) / r ] * (1 + r), where P = annual contribution, r = PPF interest rate, t = number of years.
Worked Example Case Study
Scenario: Annual contribution of ₹1,50,000 at 7.1% interest for 15 years.
Detailed Calculation: A yearly calculation compounding interest annually on the opening balance and contribution.
Assumptions & Rules
- Current interest rate is 7.1% per annum (subject to quarterly revision by the Government).
- Contributions are made annually at the beginning of the financial year (max ₹1.5 Lakhs).
- PPF has a lock-in period of 15 years.
- Calculations are compliant with laws and rates as of FY 2025-26 (AY 2026-27).
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