Educational Purpose Only: This calculator provides estimates for informational purposes. Results are not professional financial advice.
How this retirement calculator works
The calculator uses three steps. First, it adjusts your current monthly expenses for inflation to find out what those same expenses will cost every month when you retire. Second, it determines the total retirement corpus needed using a present-value-of-annuity formula — ensuring the corpus can fund your inflated monthly expenses across your entire post-retirement life without running out. Third, it works backward to calculate the monthly SIP you need to start today to accumulate that corpus by your target retirement age.
The key inputs are: your current age and target retirement age (which sets your accumulation window), your current monthly expenses (the baseline the calculator inflates forward), expected inflation rate (typically 5–6% for India), expected return on investments during accumulation, and expected return on your corpus during retirement (typically lower, since you shift to conservative instruments closer to retirement).
Why the retirement number feels large — and why it is not
Inflation steadily erodes purchasing power. Expenses that cost ₹50,000 a month today will cost approximately ₹1.6 lakh a month in 20 years at 6% annual inflation. This means the retirement corpus the calculator shows feels enormous — but it is simply the amount needed to fund a normal, not luxurious, lifestyle decades from now.
The good news is that you do not need to save the entire corpus in one go. Compounding does the heavy lifting over time. A monthly SIP of ₹10,000 started at age 30 grows to over ₹3.5 crore by age 60 at 12% annual returns — turning small, disciplined contributions into a substantial retirement fund through the power of time.
Retirement corpus — worked examples
The examples below show the required corpus and monthly SIP for three common life stages, assuming 6% inflation, 12% pre-retirement SIP returns, 7% post-retirement corpus returns, and 25 years of post-retirement life.
Young earner — starts investing at 25
Required SIP: ≈ ₹3,500/month₹30,000/month
Age 60 (35 years to invest)
≈ ₹2,30,000/month at retirement
≈ ₹3.2 crore
Starting early is the single biggest retirement advantage. 35 years of compounding means even a modest ₹3,500 monthly SIP builds the full corpus. Every 5 years of delay roughly doubles the required monthly SIP.
Mid-career professional — starts at 35
Required SIP: ≈ ₹14,500/month₹50,000/month
Age 60 (25 years to invest)
≈ ₹2,15,000/month at retirement
≈ ₹3.0 crore
Same lifestyle, but starting 10 years later requires over 4× the monthly SIP. Still manageable for a mid-career professional, but the cost of delay is clearly visible. Increasing SIP by 10% each year (step-up SIP) reduces the initial burden significantly.
Late starter — begins planning at 45
Required SIP: ≈ ₹46,000/month₹70,000/month
Age 60 (15 years to invest)
≈ ₹1,68,000/month at retirement
≈ ₹2.3 crore
With only 15 years left, the required SIP is very high — over 65% of current monthly expenses. Strategies to make this manageable: extend the retirement age to 62–65, plan to reduce expenses in retirement, and consider downsizing assets (home, vehicle) to inject lump-sum capital.
Assumes 6% annual inflation, 12% pre-retirement SIP returns, 7% corpus return during retirement, 25 years post-retirement. Actual results will differ based on your specific inputs.
Retirement planning by decade
The right approach changes depending on how many years you have until retirement. Here is a practical framework for each life stage:
- →Start any SIP immediately — even ₹1,000 a month at 22 compounds to more than ₹10,000 a month started at 40.
- →Favour high-equity allocation (80–100% equity) — decades of time let you ride out market downturns.
- →Open an NPS account and contribute even a small amount to claim the ₹50,000 extra deduction under Section 80CCD(1B).
- →Avoid lifestyle inflation: keep fixed costs low and direct every salary increment partly into SIPs.
- →Increase SIP amounts with every increment — target saving at least 15–20% of gross income toward retirement.
- →Keep equity allocation at 70–80%; begin adding some debt (PPF, NPS G fund) for stability.
- →Calculate your retirement number explicitly and verify your current SIP trajectory is on track.
- →Maximise EPF contributions — employer matching is free money toward your retirement.
- →Gradually shift toward a 60:40 or 50:50 equity-to-debt ratio to reduce portfolio volatility.
- →Maximise all tax-saving deductions: Section 80C, 80CCD(1B), 80D — especially under the old tax regime.
- →If behind on savings, consider pushing retirement age back by 2–3 years — this reduces required corpus significantly.
- →Avoid new large liabilities like personal loans or car loans that compete with retirement SIPs.
- →Move progressively into debt instruments (PPF, FD, SCSS, bonds) — target 30–40% equity by age 58.
- →Build a 2-year liquid buffer in FDs or liquid funds before retiring — so you never need to sell equity in a down market.
- →Research annuity rates from PFRDA-registered insurers for NPS corpus; poor annuity rates erode pension income.
- →Create a retirement income bucket plan: short-term (FD/liquid), medium (hybrid), long-term (equity) — draw from short-term first.
Common retirement planning mistakes to avoid
Underestimating inflation
Many people plan for a flat ₹X corpus without accounting for the fact that ₹50,000 today is worth far less in 25 years. Always use an inflation-adjusted expense figure as your retirement target — the calculator does this automatically.
Not accounting for healthcare costs
Medical expenses rise steeply in retirement. Budget separately for health insurance premiums (which increase with age), hospitalisation, and long-term care. These can easily add ₹50,000–₹2 lakh per year in retirement expenses.
Withdrawing from EPF or PPF early
Every rupee withdrawn before retirement loses not just its value, but decades of compounded, tax-free growth. The long-term cost of an early EPF withdrawal in your 30s can be 10× the amount withdrawn. Avoid this except in genuine emergencies.
Relying only on EPF
EPF alone is rarely sufficient for retirement. At ₹50,000 basic salary with 12% combined contribution, EPF may not fund 25+ years of rising expenses. Treat EPF as a floor — not a complete plan.
Rule of thumb: Aim to accumulate 25–30 times your annual retirement expenses as your corpus. On a ₹2 lakh monthly retirement expense (₹24 lakh/year), this means a corpus of ₹6–7.2 crore. Use the calculator above to find the exact number based on your situation.
Frequently Asked Questions
What return rate should I assume for my retirement corpus?
For a balanced or conservative retirement portfolio (mix of debt and equity), 7–8% is a reasonable assumption. For an equity-heavy portfolio, 10–12% may apply, but this carries higher risk. A safe middle ground for retirement corpus returns is 7%, since you shift to more conservative instruments as you approach and enter retirement.
What is a safe withdrawal rate?
The calculator uses the corpus to fund a fixed real annuity over your post-retirement period. A commonly cited safe withdrawal rate is 4% annually (the '4% rule'), meaning a corpus of ₹3 crore can support ₹12 lakh per year in withdrawals. This calculator lets you adjust the assumed return on corpus to match your strategy.
Does this include pension or PPF income?
No. If you expect pension, PPF withdrawals, or rental income in retirement, reduce your expected monthly expenses accordingly before calculating. For example, if you expect ₹10,000 per month from PPF withdrawals, reduce your monthly expense input by ₹10,000 to find the gap your corpus needs to fill.
How much should I save for retirement?
A common guideline is to accumulate a corpus equal to 25–30 times your annual expenses at retirement (adjusted for inflation). This supports a 3–4% annual withdrawal rate that can sustain your lifestyle for 25–30 years of retirement. Use this calculator to get a personalised number based on your actual current expenses and target retirement age.
When should I start planning for retirement?
The earlier the better. Starting at 25 vs 35 can result in a 3–4× larger corpus on the same monthly SIP, due to compounding. Even starting at 40 with aggressive savings is far better than not starting at all. Use this calculator to see how different starting ages affect the required monthly SIP — the difference is often sobering.
Related Calculators
This calculator is for educational and illustrative purposes only. Retirement projections involve many assumptions about inflation, returns, and lifespan — actual results will differ. Please consult a SEBI-registered investment adviser or certified financial planner before making major retirement investment decisions.
About Retirement Calculator
Estimate how much corpus you need to retire comfortably and the monthly SIP required to get there. Enter your current age, retirement age, monthly expenses, and expected returns for a personalised plan. This tool is designed to be simple and accessible for users who need quick, reliable results.
When to use this tool
Use the retirement calculator when you need an accurate, immediate calculation without installing software or registering an account. It is especially useful for everyday decisions, quick comparisons, and planning where you need numbers fast.
How it works
The calculator applies standard, well-known formulas and conventions appropriate to the domain. Results are computed instantly in your browser to preserve privacy and avoid sending personal data to servers.
Limitations and tips
This tool provides informative estimates and is not a substitute for professional advice. For complex or high-stakes decisions, verify results with a qualified professional. Double-check inputs such as units, dates, and currency settings before making decisions.