NPS Calculator – Corpus, Pension and the 2025 Exit Rules
The National Pension System (NPS) is India's PFRDA-regulated, market-linked retirement scheme. Money in a Tier I account is invested in a mix of equity (E), corporate bonds (C) and government securities (G), and at exit part of the corpus can be taken as a lump sum while the rest buys an annuity that pays a monthly pension. This NPS calculator projects your corpus year by year, applies the exit rules to it, and shows the pension, the tax-free lump sum and the tax your contributions save.
Why a flat 10% overstates your NPS corpus
Most online NPS calculators treat NPS like a SIP and apply one return for 30 years. But if you never pick your own mix, your money sits in an Auto choice lifecycle fund, and those funds move money out of equity and into bonds on every birthday after 35. Under LC50, a 30-year-old holds 50% equity; by 55 it is down to 10%. The expected return falls with it, so the corpus is noticeably smaller than a flat-rate estimate. This tool reads the allocation for each age from the lifecycle tables and blends your return assumptions:
expected return = (E × rE + C × rC + G × rG) ÷ 100
The balance then grows by (1 + R)^(1/12) each month, with contributions paid at the start of the month. The glide path chart shows how the mix and the return change as you age, and the "Same money, different choice" bars compare LC75, LC50, LC25, BLC, Active and a flat rate on your own contributions.
Auto choice, Active choice and Simple
- LC75 (Aggressive) starts at 75% equity and tapers fastest; LC25 (Conservative) starts at 25%.
- BLC (Balanced Life Cycle) keeps 50% equity until 45 and only then starts reducing it.
- Active choice lets you set E / C / G yourself, but equity is capped at 75% up to 50 and the cap falls every year after that. Any excess is moved into government securities.
- Simple applies one flat rate, useful for matching another calculator's figure.
How much you can withdraw at exit
PFRDA's December 2025 amendment replaced the old "60% lump sum, 40% annuity" rule with corpus bands. For non-government subscribers, a normal exit happens at 60 or after 15 years in NPS, whichever comes first:
- Corpus up to ₹8 lakh: the whole amount can be taken as a lump sum.
- Between ₹8 lakh and ₹12 lakh: take ₹6 lakh as a lump sum and receive the rest through systematic unit redemption (SUR) over at least six years, or use the 80/20 split.
- Above ₹12 lakh: up to 80% as a lump sum, with at least 20% buying an annuity.
Leaving earlier is a premature exit: above ₹5 lakh, at least 80% must buy an annuity. Government subscribers follow a separate schedule (60/40 at superannuation). The calculator tells you which rule applies to your corpus and how much each part is worth in rupees.
Tax benefits while you contribute
Under the old regime, your own contributions qualify for an additional ₹50,000 NPS deduction on top of the shared ₹1.5 lakh limit (capped at 10% of Basic + DA for the salaried or 20% of gross income for the self-employed). Under the new regime your own contributions get no deduction, but your employer's contribution is deductible up to 14% of Basic + DA. The tax card works out the deduction and the saving for the first year and for the whole term, and warns if employer contributions approach the ₹7.5 lakh perquisite limit.
Pension in today's money
An annuity usually pays the same amount for life, so inflation steadily erodes it. Every result is shown in rupees at exit and in today's money, and a chart shows what a fixed pension is worth at five-year steps after you retire. Use the Goal tab to work backwards from a target pension or corpus to the monthly contribution (or, for salaried subscribers, the voluntary top-up) you need.