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Corpus Calculator
The corpus needed to fund a monthly income in retirement.

Your Retirement Income

Enter your income need and assumptions — the result is your required corpus.

Desired Monthly IncomeThe income you want, in today's money
₹5,000₹10,00,000
Years of RetirementHow many years it must last
5 yrs50 yrs
Post-Retirement ReturnAssumed return on the corpus (your assumption)
1%20%
InflationHow fast your income need rises
0%12%
Corpus Required
₹1,26,23,566
To draw ₹50,000/mo for 25 yrs
Monthly Income
₹50,000/mo
Income in today's money
Never-Deplete Corpus
₹85,71,429
Lives off returns alone
Years Funded
25 yrs
Retirement horizon
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Breakdown

Desired monthly income₹50,000
Years of retirement25 yrs
Post-retirement return (your assumption)7%
Inflation (your assumption)6%
Corpus to last the period₹1,26,23,566
Corpus to never deplete₹85,71,429

The corpus is the present value of every future (inflating) withdrawal discounted at your assumed return. A larger corpus lasts longer — and the never-deplete figure is what you need to live off returns alone, leaving principal untouched.

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AI Insights

DhanRadar AI

A higher assumed return lowers the corpus needed — but also raises the risk. If real returns fall short of your assumption, the corpus depletes sooner. Use a conservative return figure as your base.

Fewer years in retirement means a smaller corpus — but longevity is unpredictable. Planning for 30+ years gives you a cushion; the never-deplete corpus is the safest target if you are unsure how long you need it.

For education only — not investment or retirement advice. The return and inflation are your own assumptions; real markets vary. Consult a qualified financial planner.

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Related Calculators

Calculations are estimates for illustration only and assume a constant annual return, which real markets do not provide. DhanRadar is a research & analytics platform, not an investment advisor. Mutual fund investments are subject to market risks.