NPS Calculator
Calculate your National Pension System (NPS) retirement corpus, tax-free lump sum, and monthly pension based on your contribution and expected returns.
โ Free ยท No sign-up ยท Works in browserLast updated: April 2026 ยท Tested on Chrome, Firefox, Edge, SafariReviewed by Abdul Wajid โ independent developer, verified against official sources. Read our editorial policy.
Use NPS Calculator
NPS Details
Retirement Age: 60 (fixed, per PFRDA rules) ยท Investment period: 30 yrs
PFRDA minimum: 40% of corpus must go into the annuity
Total Corpus at 60
โน1.14 Cr
Lump Sum Withdrawal
โน68.38 L
Monthly Pension
โน22,793
Total Invested
โน18.00 L
Wealth Gained
โน95.97 L
Lump Sum vs Annuity Split
โน68.38 L
โน45.59 L
โน1.14 Cr
โขMinimum 40% must be used for annuity (PFRDA rule).
โข60% lump sum withdrawal is tax-free.
โขReturns are estimated, actual may vary.
How to Use NPS Calculator
Set your Current Age using the slider (18โ60). Retirement age is fixed at 60 per PFRDA rules โ the tool shows your investment period (retirement age minus current age) automatically.
Enter your Monthly Contribution โ the amount you invest in your NPS Tier-I account each month. This can be changed at any time; the calculator recomputes your projected corpus instantly.
Adjust the Expected Return Rate slider (8โ14%) based on your NPS fund's equity/debt/government-securities allocation โ equity-heavy allocations historically trend toward the higher end, government-securities-heavy allocations toward the lower end.
Set the Annuity Rate (minimum 40% per PFRDA rule) and the Annuity Return Rate (5โ9%, the rate insurers currently offer on NPS annuity plans) to see how your corpus splits between a tax-free lump sum and a monthly pension.
Review the 5 summary cards โ Total Corpus, Lump Sum Withdrawal, Monthly Pension, Total Invested, and Wealth Gained โ plus the donut chart showing exactly how your retirement corpus divides between lump sum and annuity.
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About NPS Calculator
AWE-OS NPS Calculator projects your National Pension System retirement corpus, tax-free lump-sum withdrawal, and monthly pension based on your current age, monthly contribution, and expected return assumptions. NPS is a government-regulated, PFRDA-administered retirement savings scheme available to all Indian citizens between 18 and 70. At retirement (fixed at age 60 for this calculator), a minimum of 40% of your accumulated corpus must be used to purchase an annuity plan that pays you a monthly pension for life, while up to 60% can be withdrawn as a tax-free lump sum. The calculator uses the standard SIP future-value formula to project your corpus growth from monthly contributions, then splits the projected corpus between lump sum and annuity based on your chosen annuity rate, and estimates your resulting monthly pension using your chosen annuity return rate. All return and annuity rate assumptions are adjustable so you can model conservative and optimistic scenarios rather than relying on a single fixed projection.
Key Features
- โฆAge-based investment period calculation โ automatically computes years remaining to the fixed NPS retirement age of 60
- โฆAdjustable expected return rate (8โ14%) to match your NPS fund's equity/debt/government-securities allocation
- โฆPFRDA-compliant annuity rate slider with the 40% statutory minimum clearly labelled
- โฆAdjustable annuity return rate (5โ9%) reflecting current insurer annuity payout rates
- โฆPie chart visualization of the Lump Sum vs Annuity Portion split of your projected corpus
- โฆFive summary cards: Total Corpus, Lump Sum Withdrawal, Monthly Pension, Total Invested, and Wealth Gained
Who Should Use This Tool
- โSalaried employees deciding how much to contribute monthly to their NPS Tier-I account for retirement planning
- โEmployees comparing NPS against PPF and SIP-based retirement corpus growth using AWE-OS's other finance calculators
- โAnyone approaching retirement modelling different annuity allocation percentages (40% minimum vs a higher voluntary share) to see the lump-sum vs monthly-pension trade-off
- โFinancial planning enthusiasts stress-testing their retirement corpus projection under conservative vs optimistic return assumptions
Why Choose AWE-OS NPS Calculator
- โEvery rate assumption is user-adjustable, not hardcoded โ so you can see how sensitive your retirement outcome is to return and annuity rate changes
- โCorrectly enforces the PFRDA 40% minimum annuity rule rather than presenting an unconstrained withdrawal split
- โFree, instant, and entirely browser-based โ no account or login required to plan your retirement numbers
Honest limitation: Expected return, annuity rate, and annuity return rate are user-adjustable estimates, not guarantees โ actual NPS fund performance and insurer annuity rates at retirement will differ from any single projection.
Tips & Best Practices for NPS Calculator
- ๐กModel at least two scenarios โ a conservative return rate (8-9%) and your realistically expected rate (11-12% for equity-heavy allocations) โ rather than relying on a single projection, since NPS returns are market-linked and vary with your chosen fund manager and asset mix.
- ๐กIncrease your annuity rate slider above the 40% PFRDA minimum if you don't expect significant other retirement income sources (pension, rental income, other investments) โ a larger guaranteed monthly pension reduces longevity risk even though it lowers your immediate lump sum.
- ๐กClaim the additional โน50,000 deduction under Section 80CCD(1B) for NPS contributions โ this is over and above the โน1.5 lakh Section 80C limit and is one of the few remaining exclusive tax benefits available only through NPS.
- ๐กRevisit your projection every few years as you get closer to retirement and your NPS fund's actual annual statement (available from the CRA โ Central Recordkeeping Agency) becomes available โ replace the assumed return rate with your fund's actual trailing CAGR for a more accurate later-stage projection.
- ๐กRemember the annuity return rate you select should reflect what insurers are actually offering today, not a hoped-for figure โ check current annuity rates from PFRDA-empanelled insurers (LIC, SBI Life, HDFC Life and others) before finalising your retirement income assumptions.
Common Mistakes to Avoid with NPS Calculator
- โAssuming NPS returns are guaranteed like a fixed deposit โ NPS is a market-linked instrument, and the expected return rate in this calculator is an assumption you control, not a promised outcome.
- โIgnoring the compulsory 40% minimum annuitization rule and assuming you can withdraw the entire corpus as a lump sum at 60 โ only up to 60% can ever be withdrawn as a lump sum; the rest must purchase an annuity by law.
- โForgetting that the monthly annuity/pension income is fully taxable at your slab rate โ only the 60% lump-sum withdrawal is tax-free; don't plan your post-retirement budget assuming the monthly pension arrives tax-free too.
- โNot accounting for inflation when interpreting the projected corpus and monthly pension โ a corpus or pension figure that looks large today in nominal rupees will have materially lower purchasing power 20-30 years from now.
- โTreating the annuity return rate as fixed for life โ insurers set annuity rates based on prevailing interest rates at the time you actually purchase the annuity at retirement, which may differ meaningfully from the rate you assumed years earlier while planning.
Frequently Asked Questions
What percentage of my NPS corpus can I withdraw as a lump sum at retirement?
Is the monthly pension from my NPS annuity taxable?
Can I choose to put more than 40% of my corpus into the annuity?
How accurate are the expected return and annuity return assumptions in this calculator?
What is the difference between NPS Tier-I and Tier-II accounts?
Built & maintained by Team AWE-OS
This tool is developed in-house and manually re-tested on Chrome, Firefox, Edge, and Safari after every update, following our tool testing policy. Found a bug? Tell us โ fixes are usually shipped within days.