NPS Calculator

Estimate your NPS corpus at retirement, the lump sum you can withdraw, and the monthly pension from the mandatory annuity.

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NPS is market-linked (equity + debt mix) — this is an assumption, not a guarantee.

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PFRDA requires at least 40% of the corpus to buy an annuity; the rest can be withdrawn as a lump sum.

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Varies by annuity provider and product — this is an assumption.

Corpus at retirement

₹66,89,452

Total invested: ₹15,00,000

Lump sum withdrawal₹40,13,671
Annuity corpus₹26,75,781
Monthly pension₹13,378.90
Lump sumAnnuity

NPS tips

  • NPS offers a ₹50,000 deduction under Section 80CCD(1B), separate from the ₹1.5L Section 80C limit.
  • Compare annuity rates across providers before choosing one at retirement — rates vary and you're locked in once you buy.
  • A higher annuity allocation than the 40% minimum trades lump-sum flexibility for a larger guaranteed pension.

How it's calculated

Your monthly NPS contribution compounds until retirement, the same future-value-of-an- annuity-due maths as a SIP. At retirement, at least 40% of that corpus must be used to buy an annuity (a fixed monthly pension for life) — the rest can be withdrawn as a lump sum.

Corpus = Monthly contribution × [(1 + i)ⁿ − 1] / i × (1 + i)
Monthly pension = (Corpus × annuity %) × annuity rate ÷ 12

Simple interest vs compound interest growth over 10 years A line chart showing two curves starting from the same principal: simple interest grows in a straight line, while compound interest curves upward and pulls further ahead every year. Compound interest Simple interest Year 0 Year 10 Principal
A monthly NPS contribution compounds for the length of your career — the earlier you start, the more time compounding has to work.

Example

Contributing ₹5,000/month for 25 years at an assumed 10% return builds a corpus of roughly ₹66,89,452. Annuitizing the statutory minimum 40% at a 6% payout rate gives a monthly pension of about ₹13,379, with the remaining 60% (~₹40,13,671) available as a lump sum.

About the National Pension System

NPS is a voluntary, market-linked retirement savings scheme regulated by PFRDA. Unlike PPF or EPF, your contributions are invested in equity and debt (in a mix you choose or that auto-adjusts with age), so returns are market-linked rather than fixed.

How it works

You contribute monthly (or in lump sums) until retirement, and the corpus grows based on the market performance of your chosen investment mix. At retirement, PFRDA rules require annuitizing at least 40% of the corpus — buying a product that pays a fixed pension for life — while the rest can be withdrawn as a tax-free lump sum.

How to use it

  • Set your monthly contribution and years until retirement.
  • Set an expected return for the accumulation phase — this is an assumption, since NPS returns are market-linked.
  • Set the percentage of the corpus you'll annuitize (40% minimum) and an assumed annuity payout rate.

Strategies

Annuitizing more than the 40% minimum increases your guaranteed monthly pension but reduces the lump sum available at retirement — there's no universally right answer, it depends on whether you value a larger guaranteed income or more flexibility with a lump sum. NPS also offers an additional ₹50,000 tax deduction under Section 80CCD(1B), over and above the ₹1.5L Section 80C limit.

Important caveats

  • Both the accumulation-phase return and the annuity payout rate are assumptions — NPS returns are market-linked and annuity rates vary by provider.
  • The lump sum portion is tax-free up to the regulatory limit; the annuity income itself is taxable as regular income when received.
  • This calculator assumes a constant monthly contribution — it doesn't model contribution increases or Tier II account activity.

Why it works

The accumulation phase follows the same future-value-of-an-annuity-due formula as a SIP. Splitting the resulting corpus into an annuity portion and a lump-sum portion, then applying a simple annuity payout rate to the annuitized amount, mirrors how an actual NPS annuity purchase works.

Benefits

  • An additional ₹50,000 tax deduction under Section 80CCD(1B), beyond the Section 80C limit.
  • Low fund management charges compared to most market-linked retirement products.
  • Built-in retirement discipline via the mandatory annuitization requirement.

Frequently asked questions

Why can't I withdraw my entire NPS corpus at retirement?

PFRDA (the pension regulator) requires at least 40% of your NPS corpus to be used to buy an annuity — a product that pays you a fixed monthly pension for life. You can withdraw up to 60% as a lump sum, or choose to annuitize more than the 40% minimum if you want a larger guaranteed pension.

Is the accumulation-phase return guaranteed?

No. NPS invests your contributions in a mix of equity, corporate bonds and government securities (the mix depends on your chosen allocation), so the return is market-linked and not guaranteed — the rate you enter is an assumption.

Does the annuity payout rate change over time?

The rate is fixed at the time you purchase the annuity, based on the annuity provider and product you choose at retirement — it doesn't change afterward, but rates vary between providers and change over time, so the figure you enter here is necessarily an estimate.

Learn more from official sources

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Not financial advice. These tools are for informational purposes only. See how we calculate and our full disclaimer.