NPS Calculator
Estimate your National Pension System corpus and monthly pension at 60.
Market-linked estimate; assumes a 6% annuity. Verify rules before investing.
Understanding the National Pension System
The National Pension System (NPS) is a voluntary, market-linked retirement savings scheme regulated by the PFRDA. You contribute regularly during your working years, the money is invested across equity and debt, and it grows through compounding until you reach the age of 60.
At maturity, a portion of the accumulated corpus must be used to buy an annuity, which pays you a regular pension for life. The remaining portion can be withdrawn as a tax-efficient lump sum. Because returns are linked to markets, the final corpus is not guaranteed and depends on the performance of your chosen funds.
An NPS calculator helps you project how a chosen monthly contribution might grow over the years and roughly what pension it could fund, so you can plan your retirement savings with clearer expectations.
How the NPS Corpus Is Calculated
NPS contributions grow like a recurring monthly investment earning compound returns. The future value of these contributions is estimated with the standard annuity (SIP) formula:
FV = P × [ (1 + i)n − 1 ] ÷ i × (1 + i)
Where:
- FV = the maturity corpus at age 60
- P = your monthly contribution
- i = monthly rate of return (annual expected return ÷ 12)
- n = total number of monthly contributions until age 60
At maturity, the corpus is split:
- A minimum of around 40% of the corpus is used to purchase an annuity that provides your monthly pension.
- The balance (up to about 60%) can be withdrawn as a lump sum.
The pension itself is then estimated as: Annual Pension = Annuity Amount × Annuity Rate, paid out monthly.
A Worked Example
Imagine you are 30 years old and contribute ₹5,000 per month until age 60, an investment horizon of 30 years (360 months). Assume an expected annual return of 10%, so the monthly rate i = 0.10 ÷ 12 ≈ 0.00833.
Applying the formula:
| Monthly contribution (P) | ₹5,000 |
| Total months (n) | 360 |
| Total amount invested | ₹18,00,000 |
| Estimated maturity corpus | ≈ ₹1,13,96,000 |
| Lump sum withdrawn (60%) | ≈ ₹68,37,000 |
| Used to buy annuity (40%) | ≈ ₹45,58,000 |
| Monthly pension (at 6% annuity rate) | ≈ ₹22,790 |
So an investment of ₹18 lakh over 30 years could grow to roughly ₹1.14 crore, giving a sizeable lump sum plus a lifelong pension. The return rate and annuity rate used here are examples only; actual figures vary with market performance and the annuity plan you select, so verify current rates before planning.
Why People Choose NPS
NPS appeals to long-term retirement savers for several reasons:
- Low cost: It is one of the most cost-efficient pension products available in India.
- Disciplined long-term saving: Funds are locked until 60, which encourages you to stay invested through market cycles.
- Equity exposure: A portion can be allocated to equity, offering the potential for higher long-term growth than purely fixed-income products.
- Tax benefits: Contributions can qualify for deductions under specific sections of the Income Tax Act, subject to limits that you should verify for the current year.
The trade-off is liquidity and certainty: your money is locked for the long term and returns are not guaranteed. Treat all projections as estimates based on assumed returns, and revisit them as your salary and goals change.
Frequently Asked Questions
NPS is designed to mature at age 60. At that point a portion must be used to buy an annuity for your pension, and the rest can be taken as a lump sum. Limited early or partial withdrawals are allowed only under specific conditions.
Generally up to about 60% of the maturity corpus can be withdrawn as a lump sum, while at least around 40% must be used to purchase an annuity that provides your monthly pension. Confirm the current limits with PFRDA rules.
No. NPS is market-linked, with money invested across equity and debt. The final corpus depends on fund performance and is not guaranteed, so any calculator output is an estimate based on an assumed rate of return.
An annuity is a product bought from an insurer at maturity using part of your NPS corpus. In return, it pays you a regular pension, typically for life. The pension amount depends on the annuity rate offered at that time.
Yes. NPS is flexible, so you can increase, decrease or pause contributions within the scheme's rules. Higher and earlier contributions generally lead to a larger corpus thanks to longer compounding.
NPS contributions can qualify for tax deductions under certain sections of the Income Tax Act, and part of the maturity amount may be tax-exempt. Limits and rules change over time, so verify the current provisions before relying on them.