PPF Calculator (Public Provident Fund)

Calculate 15-year PPF maturity balance, total principal deposited, and tax-exempt compounded interest.

PPF Maturity Balance (EEE Tax-Exempt)
₹40,68,209
₹40.68 L after 15 years at 7.1% p.a.
Total Principal Deposited ₹22,50,000
Total Tax-Free Interest ₹18,18,209
Interest Share of Corpus 44.7%
PPF Reference Rate 7.1% p.a.
Inputs
₹ / yr
Min ₹500/yr; max statutory limit is ₹1,50,000/yr.
% p.a.
Current Govt of India PPF rate is 7.1% p.a. (editable).
years
15-year statutory maturity, extendable in 5-year blocks.
Results & Graph
PPF Maturity Balance (EEE Tax-Exempt)
₹40,68,209
₹40.68 L after 15 years at 7.1% p.a.
Total Principal Deposited
₹22,50,000
Total Tax-Free Interest
₹18,18,209
Interest Share of Corpus
44.7%
PPF Reference Rate
7.1% p.a.
Compounded annually

PPF Principal vs. Tax-Free Interest Progression

Cumulative annual deposits stacked with tax-exempt interest
Graph 1 • PPF Principal vs. Tax-Free Interest Progression Cumulative annual deposits stacked with tax-exempt interest
0 1.02M 2.03M 3.05M 4.07M Yr 1Yr 3Yr 5Yr 7Yr 9Yr 11Yr 13Yr 15
Graph 2 • Latest Period Component Values Values retain their calculator-defined labels and units.
Principal Deposited (₹) 2,250,000 INR Tax-Free Interest (₹) 1,818,209 INR
Graph 3 • Projected Balance Under Return Assumptions Uses the entered 10-year horizon.
0 0.5 1.1 3.1%: 0 0 3.1% 5.1%: 0 0 5.1% 7.1%: 0 0 7.1% 9.1%: 0 0 9.1% 11.1%: 0 0 11.1%
Summary: After 15 years, total deposits are ₹22,50,000 and total interest is ₹18,18,209.
Summary: Depositing ₹1,50,000 at the start of each year (on or before April 5) at 7.1% p.a. for 15 years yields a tax-free maturity corpus of ₹40,68,209, including ₹18,18,209 in compounded interest.
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Year-by-Year PPF Account Schedule

YearOpening BalanceAnnual DepositInterest EarnedClosing Balance
Year 1₹0₹1,50,000₹10,650₹1,60,650
Year 2₹1,60,650₹1,50,000₹22,056₹3,32,706
Year 3₹3,32,706₹1,50,000₹34,272₹5,16,978
Year 4₹5,16,978₹1,50,000₹47,355₹7,14,334
Year 5₹7,14,334₹1,50,000₹61,368₹9,25,701
Year 6₹9,25,701₹1,50,000₹76,375₹11,52,076
Year 7₹11,52,076₹1,50,000₹92,447₹13,94,524
Year 8₹13,94,524₹1,50,000₹1,09,661₹16,54,185
Year 9₹16,54,185₹1,50,000₹1,28,097₹19,32,282
Year 10₹19,32,282₹1,50,000₹1,47,842₹22,30,124
Year 11₹22,30,124₹1,50,000₹1,68,989₹25,49,113
Year 12₹25,49,113₹1,50,000₹1,91,637₹28,90,750
Year 13₹28,90,750₹1,50,000₹2,15,893₹32,56,643
Year 14₹32,56,643₹1,50,000₹2,41,872₹36,48,515
Year 15₹36,48,515₹1,50,000₹2,69,695₹40,68,209

Formula & Mathematical Methodology: PPF Beginning-of-Year Annual Compounding Formula

By = (By−1 + Deposit) × (1 + r)
Balance_y = (Balance_{y−1} + Deposit) × (1 + r)
  • Deposit: Annual deposit made on or before April 5
  • r: Annual notified PPF interest rate (e.g., 0.071)

Rounding: Annual compounding rounded to nearest rupee.

Worked Example: ₹1,50,000/Year PPF Deposit at 7.1% p.a. for 15 Years

An investor deposits the full ₹1,50,000 Section 80C limit on April 1 every year for 15 years at 7.1% p.a.

  1. Total principal deposited over 15 years = ₹1,50,000 × 15 = ₹22,50,000.
  2. Compounding annually at 7.1% produces a closing maturity balance of ₹40,68,209.
  3. Total tax-exempt interest earned = ₹40,68,209 − ₹22,50,000 = ₹18,18,209.
Result: Maturity corpus is ₹40,68,209 (₹22.50L principal + ₹18.18L tax-free interest).

Frequently Asked Questions

Why should PPF deposits be made on or before the 5th of the month?

PPF interest for each calendar month is calculated on the lowest balance in the account between the close of the 5th day and the last day of that month.

Finance & Investing · India Small Savings & Tax-Free Schemes

PPF Calculator (Public Provident Fund): inputs, method, and how to read the result

Calculate 15-year PPF maturity balance, total principal deposited, and tax-exempt compounded interest.

Choose inputs for the case you are checking

The defaults are illustrative. Replace them with values for your case and keep the units shown beside each field.

  • Annual PPF Deposit: Min ₹500/yr; max statutory limit is ₹1,50,000/yr.
  • PPF Annual Interest Rate: Current Govt of India PPF rate is 7.1% p.a. (editable).
  • Investment Duration: 15-year statutory maturity, extendable in 5-year blocks.

What the calculation includes

With the default values shown, PPF Maturity Balance (EEE Tax-Exempt) is ₹40,68,209. The calculation follows PPF Beginning-of-Year Annual Compounding Formula; the formula and variable definitions above show how the inputs combine.

One-input check: With the other defaults held constant, changing Annual PPF Deposit from 150,000 ₹ / yr to 135,000 ₹ / yr changes PPF Maturity Balance (EEE Tax-Exempt) from ₹40,68,209 to ₹36,61,388. This is a comparison inside the calculator's stated model, not a prediction.

Where to use caution

  • Assumes annual deposit is credited on or before April 5 of each financial year to earn full-year interest.
  • PPF interest rates are reviewed quarterly by the Ministry of Finance and may change over a 15-year horizon.

Scope: India (Ministry of Finance Small Savings Scheme) Check the assumptions and limitations against your situation before relying on the estimate.

More in Finance & Investing: EPF Calculator (Employees Provident Fund), SIP Calculator (Systematic Investment Plan), FD & RD Calculator (Fixed & Recurring Deposit).