PPF Calculator

Last Updated : 11 Mar, 2026

PPF Calculator (Public Provident Fund Calculator) is a financial tool that calculates the maturity amount and interest earned on a PPF investment.

Steps to Use PPF Calculator

  1. Enter Investment Details – Input your yearly investment amount, interest rate, and investment time period using the sliders or number fields.
  2. Calculate Maturity – Click the “Calculate Maturity” button to compute your total PPF returns.
  3. View Results – The calculator will display your maturity value, total invested amount, and total interest earned along with a growth chart and yearly breakdown.
  4. Edit or Reset – Use “Edit Parameters” to change inputs or click “Reset All” to clear the values and start a new calculation.

PPF (Public Provident Fund)

PPF, or Public Provident Fund, is a long-term savings scheme backed by the government of India, offering tax benefits and guaranteed returns. Investors can contribute annually to their PPF account for a fixed period of 15 years, with the option to extend in blocks of 5 years. The interest rate is determined by the government and is compounded annually.

PPF Calculator Formula

The formula to calculate the maturity amount for a Public Provident Fund (PPF) is as follows:

A = P * [(1 + r)^n - 1] / r

Where -

  • A is the maturity amount
  • P is the annual contribution
  • r is the annual interest rate (in decimal)
  • n is the tenure (in years)

The interest can be calculated by subtracting the total contributions from the maturity amount:

I = A − (P * n)

How to Calculate Maturity Amount for PPF

To compute the maturity amount for a Public Provident Fund (PPF), use the formula: A = P * [(1 + r)^n - 1] / r. Here, P represents the annual contribution, r is the annual interest rate (in decimal), and n is the tenure in years (usually 15 years). This formula helps in determining the total amount you will receive at the end of the investment period.

Example:

If you invest ₹1,00,000 annually in a PPF account at an annual interest rate of 7.1% for 15 years, then the maturity amount will be:

A = ₹1,00,000 * [(1 + 0.071)^15 - 1] / 0.071 = ₹31,29,117.

You'll receive ₹31,29,117 at the end of 15 years, which includes ₹16,29,117 as interest.

Features of PPF Calculator

  • Accurate Investment Planning: Precisely calculate the maturity amount and interest earned, aiding investors in planning their PPF investments for various contribution amounts, tenures, and interest rates.
  • Dynamic Visualization: Instantly visualize the impact of changes in the annual contribution, tenure, and interest rate, empowering users with dynamic and insightful variations in maturity amounts.
  • Responsive User Interface: Enjoy a seamless experience with a responsive interface that adapts effortlessly to different devices, providing accessibility and ease of use.
  • Comprehensive Financial Insights: Gain comprehensive financial insights with a detailed breakdown of investment components, including contributions, interest, and maturity amount, enhancing financial decision-making.
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