Retirement Calculator

Planning for Retirement

Retirement (or financial freedom) planning is the process of determining retirement income goals and the actions and decisions necessary to achieve those goals. It includes identifying sources of income, estimating expenses, implementing a savings program, and managing assets.

Why You Need a Retirement Corpus

• Rising Life Expectancy: People are living longer, meaning you need to fund more years of retirement.
• Inflation: The cost of living rises over time. What costs ₹50,000 today might cost significantly more in 20-30 years.
• Lack of Pension: Most private sector jobs do not offer a pension, making self-funding essential.
• Medical Expenses: Healthcare costs typically increase as you age.

How to Use this Calculator

1. Current Age: Your age today.
2. Retirement Age: The age at which you plan to retire.
3. Monthly Expenses Today: Your current monthly living expenses.
4. Expected Inflation: The rate at which you expect costs to rise (typically 6-7% in India).

The calculator will estimate the total corpus required at retirement and the monthly investment (SIP) needed to achieve that goal.

Retirement Corpus Formula

Retirement planning starts by inflating today’s monthly expenses to their future value:

Future Monthly Expense = Current Monthly Expense x (1 + Inflation Rate) ^ Years to Retirement

Then the calculator estimates the retirement corpus needed to fund those expenses for your post-retirement life. A simplified approach is:

Required Corpus = Annual Retirement Expense / Expected Real Return

Real return means expected portfolio return after inflation. If your portfolio earns 9% and inflation is 6%, your real return is roughly 3%.

Why Inflation Changes Everything

Inflation is the largest hidden risk in retirement planning. If your current monthly expense is ₹75,000 and inflation averages 6%, the same lifestyle may cost about ₹2.4 lakh per month after 20 years. That is why a retirement calculator must project future expenses, not just today’s budget.

Retirement Planning Inputs

Input	Why it matters
Current age	Determines investment runway
Retirement age	Sets years available for compounding
Monthly expenses	Forms the base retirement lifestyle
Inflation rate	Converts today’s costs into future costs
Expected return	Estimates investment growth
Life expectancy	Determines how long corpus must last

Practical Retirement Tips

1. Use separate assumptions for pre-retirement and post-retirement returns.
2. Keep emergency funds outside the retirement corpus.
3. Include health insurance premiums and medical inflation.
4. Increase SIPs every year with salary hikes.
5. Review your retirement plan at least once a year.

Frequently Asked Questions

How much corpus do I need to retire in India?

It depends on your age, city, lifestyle, inflation, and expected retirement duration. The calculator estimates this using your current expenses and inflation assumptions.

Is the 4% rule enough?

The 4% rule is a useful starting point, but Indian investors should adjust it for inflation, tax, market volatility, and health costs.

Should I include my house in retirement corpus?

Usually no, unless you plan to sell or rent it. Your primary residence does not directly fund monthly expenses.

Which investments are best for retirement?

Many investors use a mix of EPF, PPF, NPS, mutual funds, FDs, and debt funds depending on age and risk tolerance.