PPF Calculator

Determine interest and maturity values of your Public Provident Fund (PPF) tax-free savings.

Estimated Maturity Value₹40,68,209
Total Invested₹22,50,000
Wealth Gain₹18,18,209
Breakdown
Invested Capital55.3%
Interest Earned44.7%

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.

Concept: A yearly calculation compounding interest annually on the opening balance and contribution.

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.

Result Outcome: Invested: ₹22,50,000. Interest Earned: ₹18,08,208. Maturity Value: ₹40,58,208.

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).