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Guide: Retirement Planner

Everything you need to know about this calculator.

What is retirement planning?

Retirement planning answers a single big question: how much money do I need to stop working, and how much should I save monthly to get there?

The answer depends on three numbers: your current age, the lifestyle you want post-retirement (in today's rupees), and how long you expect to live. The math then compounds these against inflation, expected returns, and the realistic working years you have left.

For a 30-year-old in India today wanting ₹50,000/month equivalent post-retirement lifestyle, the target corpus is roughly ₹5–7 crore by age 60.

How is retirement corpus calculated?

Two steps:

1. Future monthly expense at retirement:
   = Today's expense × (1 + inflation)^(years to retirement)

2. Corpus needed for that monthly expense to last through retirement:
   = Monthly_expense_at_retirement × 12 × annuity_factor
   (annuity factor accounts for post-retirement returns + inflation)

CalcMaster also reverse-solves for the monthly SIP required from today to hit that corpus.

Worked example

Age 30, retire at 60, life expectancy 85. Today's monthly expense: ₹50,000. Inflation 6%. Pre-retirement equity return 12%. Post-retirement debt return 8%.

  • Future monthly expense at 60: ₹50,000 × (1.06)^30 = ₹2.87 L/month
  • Corpus needed at 60 (for 25 years of payouts): ~₹6.2 cr
  • Monthly SIP needed from age 30: ~₹15,000/month (at 12% expected return)

The 4% rule (simplified)

A widely-cited rule of thumb: withdraw 4% of corpus in year 1, then adjust for inflation each subsequent year. Based on US historical data (Trinity Study), this gives ~95% probability of corpus lasting 30 years for a 60/40 equity/bond portfolio.

For India, with higher equity returns and higher inflation, 3.5% is safer. Adjust this calculator's "post-retirement return" input to match your comfort.

Components and inputs explained

Current age + retirement age

The window during which you accumulate. Longer is better (compound interest needs time).

Life expectancy

The years your corpus must last beyond retirement. Default 85; consider 90+ if family history shows longevity.

Monthly expense (today)

What you spend now per month — rent, food, transport, healthcare, hobbies. Add healthcare buffer: medical inflation is 10–12%, higher than general inflation.

Inflation

6% is the long-term India average. Use 7% to be conservative.

Pre-retirement return

Expected annualized return during the saving phase. Equity-heavy: 11–13%. Hybrid: 9–10%. Conservative: 8%.

Post-retirement return

Expected return during withdrawal phase. Typically debt-heavy: 6–8%.

Sequence-of-returns risk

A subtle but critical risk: what if the market crashes right after you retire? A corpus that would normally last 30 years can deplete in 15 if the first 5 retirement years are bad.

Mitigations:

  • Keep 2–3 years of expenses in liquid/debt funds (no equity exposure)
  • Glide-path equity allocation: ramp down from 60% to 40% equity in the 5 years before retirement
  • Have a part-time income safety net for the first decade of retirement

Considerations

  • Healthcare costs explode in retirement. Add 30–50% buffer to the corpus number for medical expenses. Maintain health insurance through retirement.
  • Don't include the house in corpus. Your primary residence isn't accessible cash. Plan corpus independently of property value.
  • PPF + EPF alone won't get you there. Even maxed-out PPF (₹1.5 L/yr for 35 years) produces ~₹2 cr. You need equity exposure to bridge the gap.
  • Adjust the goal as you age. Reassess every 5 years. Inflation, lifestyle, family changes all shift the target.

Tax implications

Indian retirement income mix:

  • EPF/PPF maturity: tax-free (after 5+ yrs continuous EPF service)
  • NPS 60% lumpsum: tax-free; 40% annuity: taxable at slab rate
  • SWP from mutual funds: each withdrawal triggers LTCG/STCG depending on holding period
  • FD interest: fully taxable at slab rate
  • Senior citizen schemes (SCSS, POMIS): interest taxable; 80TTB deduction up to ₹50K

Limitations

  • The calculator assumes constant pre- and post-retirement returns. Real markets have variable returns.
  • Doesn't model healthcare inflation separately (use 30-50% corpus buffer).
  • Doesn't account for sequence-of-returns risk explicitly.
  • Doesn't include Social Security / state pension (often negligible in India).
  • Doesn't model partial / phased retirement.

Related calculators

  • SIP Calculator — for the monthly investment side
  • Step-up SIP — if you can increase contributions annually
  • PPF — tax-free debt allocation
  • EPF — automatic workplace retirement
  • NPS — voluntary retirement with tax benefits
  • SWP — withdrawal-phase planning
  • Annuity Payout — monthly payout from corpus

Final note. Retirement planning is the most under-prioritized financial task because retirement feels far away — until it isn't. The single best decision you can make in your 30s is to start the retirement SIP at 10% of net income and let it grow. This calculator tells you whether your current saving rate gets you there. If the answer is no, the fix is bigger SIP, not bigger return assumptions.

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Frequently asked about the Retirement Planner

How much corpus do I need to retire?

Rule of thumb: 30× your annual post-retirement expenses (i.e. the 4% rule). For someone needing ₹60,000/month today (₹7.2 L/yr) retiring in 25 years: corpus needed ≈ ₹5 cr (inflated and grossed). Use the Retirement Planner for your numbers.

What's the 4% rule?

Withdraw 4% of corpus in year 1, then adjust each year for inflation. Historical US data shows a 4%-rate portfolio (60% equity / 40% debt) survives 30+ years with high probability. India-adjusted, 3.5% is more conservative.

What return assumptions are sensible?

Pre-retirement (working years, equity-heavy): 11–13%. Post-retirement (debt-heavy): 7–8%. Inflation: 6% in India long-term. The Retirement Planner uses your inputs — defaults to 12 / 8 / 6.

What is sequence-of-returns risk?

Even with a good long-term average, a few bad years right after you retire can deplete a corpus that would have lasted otherwise. Mitigation: keep 2–3 years of expenses in liquid funds; ramp down equity as you approach retirement.

Should I consider healthcare separately?

Yes. Medical inflation in India is ~10–12%, much higher than general inflation. Add 30–50% buffer to your retirement corpus, or maintain a separate health insurance through retirement.

Can I retire on PPF + EPF alone?

Almost never. Even maxed-out EPF + PPF over 35 years produces ~₹3–4 cr — insufficient for a 30-year retirement at today's expenses. You need equity exposure to bridge the gap.