Plan Your Retirement Corpus
Enter your age, expenses and investment details to calculate how much you need and how to get there
Retirement Summary
Corpus at Different Return Scenarios
Corpus Build-up Breakdown
Complete Retirement Details
What Is Retirement Planning?
Understanding the retirement corpus concept, why it matters and the forces that shape it
Retirement planning is the process of determining your income goals for after you stop working, estimating the lump-sum corpus needed to generate those income flows, and systematically building that corpus through disciplined investing. Done right, it ensures you never outlive your money.
The core challenge is that you stop earning active income but expenses continue and grow with inflation. A Rs.50,000/month lifestyle today will cost roughly Rs.1.60 lakh/month in 20 years at 6% inflation. Your retirement corpus must be large enough to fund inflation-adjusted expenses for your entire retirement period, while generating returns that at minimum keep pace with inflation.
Two forces work powerfully in your favour if you start early: compounding (your returns earn returns, exponentially over time) and rupee cost averaging through SIPs. Starting 10 years earlier can reduce the monthly SIP needed by 50 to 60% to reach the same corpus.
Retirement Investment Options in India
The best instruments for building your retirement corpus with returns, tax treatment and ideal use cases
| Instrument | Expected Return | Tax on Withdrawal | Lock-in | Best For |
|---|---|---|---|---|
| Equity Mutual Funds (ELSS / Index) | 10-14% p.a. | LTCG 12.5% above Rs.1.25L/yr | 3 yrs (ELSS) | Long accumulation phase (15+ years) |
| NPS (National Pension System) Tax-efficient | 8-12% p.a. | 60% tax-free; 40% annuity | Till 60 yrs | Salaried with 80CCD(2) employer benefit |
| PPF (Public Provident Fund) | 7.1% p.a. (tax-free) | Fully tax-free | 15 yrs | Risk-averse investors; EEE status |
| EPF (Employee Provident Fund) | 8.25% p.a. | Tax-free (5+ yrs service) | Till retirement | Salaried employees + VPF top-up |
| Senior Citizens Saving Scheme | 8.2% p.a. | Taxable | 5 yrs | Post-retirement safe income (60+) |
| Balanced Advantage / Hybrid Funds | 9-12% p.a. | LTCG 12.5% above Rs.1.25L/yr | None | 5-10 yrs before retirement |
Equity SIP: Wealth Engine
Start an SIP in a diversified equity index fund (Nifty 50 or Nifty 500). Low cost, market-linked returns, maximum compounding over 20+ years.
10-14% ReturnsNPS: Tax-Efficient Pension
Extra Rs.50,000 deduction under 80CCD(1B). Employer NPS under 80CCD(2) is deductible even under the New Tax Regime - a major salaried advantage.
8-12% ReturnsPPF: Safe and Tax-Free
Triple EEE tax status (exempt at investment, accumulation and withdrawal). Government-guaranteed. Perfect for the safe 20-30% of your portfolio.
7.1% Tax-FreeShift Allocation Over Time
Age 20-45: 70-80% equity. Age 45-55: 50-60% equity. Age 55-60: 30-40% equity. Age 60+: 20-30% equity, rest in debt for income stability.
Glide PathSWP for Retirement Income
Use a Systematic Withdrawal Plan from a hybrid or debt fund for monthly income post-retirement - more tax-efficient than FD interest for most retirees.
Tax EfficientAvoid Common Mistakes
Underestimating inflation, stopping SIP in crashes, using retirement funds for non-emergencies, under-insuring health cover before retirement.
Plan SmartHow This Calculator Works
Step-by-step from current age and expenses to required corpus and monthly SIP with inflation at every stage
- 1
Inflate Today's Expenses to Retirement Age
Your current monthly expenses are projected forward at the inflation rate until retirement. Formula: Future Expense = Current Expense x (1 + Inflation)^Years. This tells you the monthly spend needed in the first year of retirement to maintain your current lifestyle.
- 2
Calculate Total Corpus Required at Retirement
Using the Present Value of a Growing Annuity formula, we calculate the lump sum needed on retirement day to fund all inflation-growing monthly withdrawals through your life expectancy. Post-retirement return and inflation both factor in via the real rate of return.
- 3
Subtract Future Value of Existing Savings
If you already have savings, they grow at the expected pre-retirement return rate. Their future value at retirement is subtracted from the required corpus, reducing the additional amount you need to accumulate through SIPs.
- 4
Calculate Required Monthly SIP
The remaining corpus gap is solved backwards using the Future Value of SIP formula: SIP = Corpus x r / [(1+r)^n - 1], where r is the monthly return rate and n is total months to retirement. Net of expense ratio.
- 5
Compute Corpus Build-up Breakdown
The calculator shows total contributions vs. gains from compounding, and the wealth multiple (corpus / total invested) to visualise how powerfully compounding works over your accumulation period.
- 6
Stress-Test with 3 Return Scenarios
Results are shown at conservative, selected and optimistic return rates so you can see the range of outcomes. Always base your SIP on the conservative scenario to avoid falling short at retirement age.
Future Expense = Monthly Exp x (1+Inflation)^Years
Corpus Required = PV of Growing Annuity (post-ret return, life yrs)
FV of Savings = Existing x (1+Return)^Years
Monthly SIP = (Corpus - FV Savings) x r / [(1+r)^n - 1]Smart Retirement Planning Tips
Proven strategies to build a larger corpus, reduce risk and ensure you never outlive your money
Start Immediately: Every Year Costs 2x
Due to compounding, delaying by 5 years roughly doubles the monthly SIP required for the same corpus. Starting at 25 vs 35 can mean the difference between Rs.10,000 and Rs.30,000 per month. Time is the most powerful variable in retirement planning.
Step-Up SIP 10% Every Year
A Step-Up SIP growing 10% annually can build a 40-60% larger corpus than a flat SIP over 20+ years, matching your salary increments with retirement savings. Most mutual fund platforms allow automatic annual SIP step-ups at no extra cost.
Health Insurance Is Non-Negotiable
Medical costs are the biggest retirement risk in India. A serious illness at 65+ can wipe out years of savings. Buy comprehensive health cover of Rs.20-25 lakh at least 10-15 years before retirement while you are still insurable at standard premiums.
Rebalance Your Portfolio Every Year
As you age, systematically shift from equity-heavy to balanced to debt-heavy allocation. Moving from 80% equity in your 30s to 50% by 50 to 30% by 60 reduces sequence-of-returns risk: the danger of a market crash right at retirement age.
Maximise NPS Under 80CCD(2)
If your employer offers NPS under Section 80CCD(2), insist on maximising it. Employer contributions up to 10% of Basic+DA are fully deductible even under the New Tax Regime - one of the very few deductions that survive it, effectively a tax-free salary increase.
Plan for a 30-Year Retirement
With improving healthcare, living to 85-90 is increasingly common. Always plan for at least 30 years post-retirement. Running out of money at 80 with 10 years left to live is far worse than having a slightly larger SIP today. Always over-plan.
Build Emergency Fund First
Never redeem retirement investments for emergencies - the interrupted compounding cost is enormous. Build 6 months of expenses in a liquid fund or high-yield account before starting retirement investing.
Understand Your Increment in Real Terms
A 15% salary hike does not mean 15% more corpus. Higher income increases tax and potentially pushes you into higher slabs. Use this calculator after every major raise to recalculate and increase your SIP in line with your net income growth.
Frequently Asked Questions
Common questions about retirement corpus, SIP requirements, SWP and withdrawal strategies