# NPS Calculator

> National Pension System corpus at retirement, the monthly pension from the annuity, and the lump sum.

Interactive calculator: https://www.cashiq.in/tools/nps-calculator
Last updated: 2026-11-10

An NPS calculator estimates your National Pension System corpus at retirement and the pension it can buy. ₹5,000 a month from age 30 to 60 at 10% builds about ₹1,13,96,627. Putting 40% into an annuity at 6% pays about ₹22,793 a month.

## How it is calculated

```
Corpus after each month = (previous corpus + this month's contribution) × (1 + i)
```

- i is the monthly rate: the expected annual return ÷ 12 ÷ 100.
- Monthly pension = annuity corpus × annuity rate ÷ 12.
- Lump sum = corpus − annuity corpus.

## Worked example

- Inputs: ₹5,000 a month from 30 to 60, 10% return, 40% annuity at 6%
- Result: Corpus ₹1,13,96,627, pension ₹22,793 a month, lump sum ₹68,37,976
- Open it: https://www.cashiq.in/tools/nps-calculator?monthly=5000&age=30&retire=60&rate=10&annuity=40&annuityRate=6

## Use it with your own numbers

Add query parameters to the calculator URL. The page renders the result, a one-sentence summary and a year-by-year table in its HTML.

| Parameter | Meaning | Allowed values |
| --- | --- | --- |
| `monthly` | Monthly contribution | 500 to 5,00,000 |
| `age` | Your age now | 18 to 69 |
| `retire` | Retirement age | 40 to 75 |
| `rate` | Expected return (% a year) | 1 to 15 |
| `annuity` | Share used to buy annuity (%) | 20 to 100 |
| `annuityRate` | Annuity rate (% a year) | 1 to 12 |

Example: https://www.cashiq.in/tools/nps-calculator?monthly=5000&age=30&retire=60&rate=10&annuity=40&annuityRate=6

JSON API: https://www.cashiq.in/api/v1/nps-calculator?monthly=5000&age=30&retire=60&rate=10&annuity=40&annuityRate=6

## Rules and assumptions

- Since December 2025, non-government subscribers can take up to 80% of the corpus as a lump sum at exit and must use at least 20% for an annuity. Smaller corpuses have more flexible rules. Government employees still use at least 40% for an annuity.
- NPS returns depend on your asset mix and are not guaranteed. Annuity rates depend on the insurer and plan at the time you buy.
- Under the old regime, an extra ₹50,000 of your own contribution is deductible under Section 80CCD(1B). Employer contributions under 80CCD(2) are deductible in both regimes, within limits.

## Frequently asked questions

### How much pension will I get from NPS?

It depends on your corpus, the share you use for an annuity and the annuity rate. Monthly pension = annuity corpus × annuity rate ÷ 12.

### How much can I withdraw from NPS at 60?

Non-government subscribers can withdraw up to 80% as a lump sum under the rules in force since December 2025; at least 20% must buy an annuity. Government employees can withdraw up to 60%.

### What return does NPS give?

Returns vary by fund manager and asset mix. Equity-heavy choices have historically returned more over long periods, but nothing is guaranteed.

### Is the NPS lump sum taxable?

A lump sum of up to 60% of the corpus at retirement is tax-free under the Income-tax Act. Check the current rules for any withdrawal above 60%. Annuity income is taxed at your slab rate.

## Sources

- [PFRDA](https://www.pfrda.org.in/)

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Results are estimates for planning, not investment, tax or legal advice. Returns are assumptions, not guarantees. Source: CashIQ, https://www.cashiq.in/tools/nps-calculator