Example Data Table
| Scenario |
Age |
Retirement Age |
Monthly Contribution |
Return |
Annuity Share |
| Conservative |
35 |
60 |
8,000 |
8% |
40% |
| Balanced |
30 |
60 |
10,000 |
10% |
40% |
| Aggressive |
28 |
60 |
15,000 |
12% |
50% |
Formula Used
Monthly rate: Monthly Rate = (1 + Annual Return)1 / 12 - 1
Yearly stepped contribution: Monthly Contribution in Year n = First Monthly Contribution × (1 + Step Up Rate)n - 1
Corpus growth: Corpus is compounded monthly after adding or before adding contribution, based on selected timing.
Annuity amount: Annuity Amount = Retirement Corpus × Annuity Allocation
Lump sum: Lump Sum = Retirement Corpus - Annuity Amount
Monthly pension: Monthly Pension = Annuity Amount × Annuity Return ÷ 12
Inflation adjusted pension: Real Monthly Pension = Monthly Pension ÷ (1 + Inflation Rate)Investment Years
How To Use This Calculator
Enter your present age and planned retirement age.
Add your existing corpus if you already have savings.
Enter the monthly contribution you want to invest.
Use annual step up to model rising yearly deposits.
Enter expected return, annuity share, and annuity return.
Add inflation and target pension for a clearer comparison.
Press calculate to view corpus, pension, and yearly results.
Use CSV or PDF options to save the projection.
NPS Planning Overview
A National Pension Scheme calculator helps you test a retirement path before money is locked into long term savings. It connects age, contribution, return, step up, annuity share, and expected pension. The tool gives a clear estimate, not a promise. Market returns can change. Annuity rates can also change. Still, a structured estimate is useful because it shows whether present savings are close to the pension goal.
Why This Calculator Helps
Many savers focus only on the monthly deposit. That view is incomplete. Retirement income depends on three linked parts. First, contributions grow each month. Second, yearly step ups increase future deposits. Third, part of the final corpus buys an annuity. The remaining part may become a lump sum. This calculator separates those parts so each choice is easy to review.
Inputs That Matter Most
Current age and retirement age define the investment period. Monthly contribution controls the base saving level. Expected return shapes the accumulated corpus. Step up rate shows how deposits may rise with income. Existing corpus adds past savings. Annuity allocation decides how much money supports pension payments. Annuity return estimates the yearly income rate from the purchased annuity.
Reading The Result
The projected corpus is the estimated retirement value. Total contribution shows money paid by the saver. Growth shows the estimated investment gain. Lump sum is the corpus left after annuity purchase. Monthly pension is calculated from annuity value and annuity return. Inflation adjusted pension shows today’s spending value. The target gap compares projected pension with the desired pension.
Using Results Wisely
Small changes can create large differences over many years. A higher contribution, longer term, or regular step up may improve the outcome. A larger annuity share can raise pension but reduce lump sum. A lower annuity share can increase immediate retirement cash but reduce stable income. Use several scenarios. Compare conservative and optimistic returns. Keep assumptions realistic. Review the plan yearly. Update deposits when income changes. This keeps retirement planning active, measurable, and easier to manage.
Do not treat one scenario as final. Test weak, average, and strong return cases. Also test lower contributions during difficult years. This shows pressure points before retirement is near. Better choices can start earlier too.
FAQs
What does this calculator estimate?
It estimates retirement corpus, annuity amount, lump sum, monthly pension, inflation adjusted pension, and yearly growth using your selected assumptions.
Is the result guaranteed?
No. It is an estimate based on entered return, contribution, and annuity assumptions. Actual market returns and annuity rates can differ.
What is annual step up?
Annual step up is the percentage increase in monthly contribution each year. It helps model rising income and higher future savings.
Why is annuity allocation important?
Annuity allocation decides how much retirement corpus is used to buy pension income. A higher allocation may increase pension but reduce lump sum.
What is inflation adjusted pension?
It shows the estimated pension value in today’s purchasing power. This helps compare future income with current living costs.
Can I include existing savings?
Yes. Add your existing corpus. The calculator compounds it along with future contributions until the selected retirement age.
Why does contribution timing matter?
Beginning of month contributions grow for slightly longer. End of month contributions grow after the month’s return is applied.
Can I download the result?
Yes. Use the CSV button for spreadsheet data. Use the PDF button to save a simple report of key results.