SIMPLEGENCE

Retirement Corpus Calculator

Plan Your Financial Freedom — Know How Much You Need to Retire Comfortably

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Why Plan for Retirement?

Most Indians underestimate how much they need for retirement. With increasing life expectancy (75+ years), rising healthcare costs, and inflation eroding purchasing power, you could need 25-30 years of expenses saved up.

The earlier you start, the less you need to save each month — thanks to the power of compounding.

How Retirement Planning Works

  1. Estimate monthly expenses at retirement — Factor in inflation to know what ₹50,000 today will cost in 20-30 years
  2. Calculate years in retirement — Plan for at least 25-30 years post-retirement
  3. Determine required corpus — The total amount you need on the day you retire
  4. Account for post-retirement returns — Your corpus will still earn returns (conservative: 7-8%)
  5. Calculate monthly SIP needed — How much to invest monthly starting today to reach your goal
  6. Review and adjust annually — Update your plan as salary, expenses, and goals change

The Retirement Math

Corpus = Monthly Expense × 12 × [(1 - (1+r')^-T) / r']
Monthly Expense = Inflation-adjusted monthly expense at retirement
r' = Real post-retirement return (return - inflation) per month
T = Years in retirement × 12 (months)

Example: Planning at Age 30

Current Age 30 years
Retirement Age 60 years
Current Monthly Expense ₹50,000
Inflation Rate 6%
Monthly Expense at 60 (inflation-adjusted) ₹2,87,175
Required Corpus at 60 ₹5.17 Cr
Monthly SIP Needed (at 12% return) ₹14,700

Impact of Starting Age

Monthly SIP needed to build ₹5 Cr corpus at 60 (at 12% return):

Starting Age Years to Invest Monthly SIP Total Invested
25 35 years ₹5,850 ₹24,57,000
30 30 years ₹14,300 ₹51,48,000
35 25 years ₹29,500 ₹88,50,000
40 20 years ₹50,100 ₹1,20,24,000
45 15 years ₹1,00,200 ₹1,80,36,000

*Starting 10 years earlier can reduce your monthly SIP by 3-4x. Time is your biggest ally.

Key Retirement Planning Concepts

Inflation-Adjusted Expenses

₹50,000/month today at 6% inflation becomes ₹2.87L/month in 30 years. Always plan in future rupees.

The 25x Rule

A quick estimate: you need 25-30 times your annual expenses at retirement. Spending ₹6L/year? Need ₹1.5-1.8 Cr minimum.

Post-Retirement Returns

Your corpus doesn't sit idle. Invest in balanced funds (7-8% return) post-retirement to make it last longer.

Healthcare Buffer

Medical costs inflate at 10-15%. Keep ₹25-50L separately for healthcare, plus a comprehensive health insurance policy.

Pro Tip: Start with 15% of Your Income

If you can't calculate the exact amount, start by investing at least 15% of your take-home salary in equity SIPs. Increase by 10% every year. This simple rule can set you up for a comfortable retirement.

Retirement Corpus Calculator

Your current age
When you plan to retire
Your current monthly household expenses
Inflation-adjusted monthly expense at retirement
▶ Advanced Settings (customise rates manually)
India average: 5-7%
Equity SIP: 12% | Balanced: 10%
Conservative: 7-8% (balanced funds/FDs)
How long to plan for (default: 85 years)
Fill in your details above
₹ ______
₹ ______
₹ ______

Important Disclaimer

Retirement planning involves many variables. This calculator provides estimates based on assumed inflation and return rates. Actual results may vary. Consult a certified financial planner for personalized advice. Don't forget to account for EPF, PPF, NPS, and other existing retirement savings.

Retirement Planning Checklist

Calculate your retirement corpus using inflation-adjusted expenses
Start SIP in equity mutual funds — even ₹5,000/month matters at age 25
Maximize EPF contribution (employer match is free money)
Open NPS account for additional tax benefits under Sec 80CCD(1B)
Get adequate health insurance (₹10-25L cover minimum)
Increase SIP by 10% every year (Step-Up SIP)
Review retirement plan annually and adjust for life changes

Frequently Asked Questions

A common rule of thumb is 25–30x your annual expenses at retirement. If you spend ₹50,000/month today and plan to retire in 20 years, with 6% inflation your monthly expense will be ~₹1.6 lakh. You'd need a corpus of roughly ₹4.8–5.8 crore. The exact number depends on your lifestyle, healthcare needs, inflation assumptions, and expected post-retirement returns.
The 4% rule suggests you can withdraw 4% of your retirement corpus annually (adjusted for inflation) and your money should last 30 years. It originated from US research and assumes a balanced equity-bond portfolio. For India, 3–3.5% is more conservative due to higher inflation. This means for every ₹1 lakh monthly expense, you need a corpus of ~₹3.5 crore.
The best time is your first salary. Starting a ₹10,000 SIP at age 25 vs 35 makes a massive difference — at 12% returns by age 55, the early starter accumulates ₹3.5 crore vs ₹1 crore. Each decade of delay roughly halves your retirement corpus. Even if you're starting late, start now — the second-best time is today.
Absolutely. EPF (~8.15% interest, tax-free) and PPF (7.1%, tax-free) form a solid debt foundation for retirement. However, they alone are rarely sufficient due to inflation. Treat them as the safe base of your retirement plan and supplement with equity mutual funds (via SIP) for growth. A 60:40 equity-to-debt ratio is a good starting point for someone 20+ years from retirement.
Medical inflation in India runs at 10–14% annually — much higher than general inflation. You should: (1) Buy a comprehensive health insurance policy (₹10–25 lakh cover) by age 35–40 when premiums are lower, (2) Add a super top-up for catastrophic coverage, and (3) Keep a separate medical emergency fund of ₹5–10 lakh. Don't rely solely on your retirement corpus for healthcare.