Millionaire Calculator: When Will I Be a Crorepati?

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Formula at a glance

Millionaire Calculator: Each month — Balance = Balance × (1 + r/12) + SIP. Example: ₹20,000 SIP with 10% step-up, ₹5 lakh saved, 12% return → Time to reach ₹1,00,00,000 (1 crore): 11 years — How the Millionaire Calculator works: Each month — Balance = Balance × (1 + r/12) + SIP

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📘 About the Millionaire Calculator

Becoming a crorepati or a millionaire is mostly about three things: how much you invest each month, how many years you let it grow, and the return you earn. Compounding does most of the work in the later years — the last few lakhs arrive far faster than the first.

Enter what you have invested today, your monthly SIP and an expected return. The calculator grows the money month by month, raises the SIP each year if you choose a step-up, and tells you when you will reach the target, your age then, how much came from your own pocket and how much from returns.

🧮 Formula

Each month

Balance = Balance × (1 + r/12) + SIP

Each year

SIP = SIP × (1 + step-up)

SIP needed for a target in n months

SIP = (Target − Today × (1 + r/12)ⁿ) × (r/12) ÷ ((1 + r/12)ⁿ − 1)

Where

r = expected yearly return
n = number of months

Returns are assumed steady; real markets go up and down.

✏️ Worked examples

₹20,000 SIP with 10% step-up, ₹5 lakh saved, 12% return

You enter
Currency	₹ Indian rupee
Target amount	10000000
Money invested today	500000
Monthly investment (SIP)	20000
Expected yearly return	12%
Raise the SIP every year by	10%
Your age (optional)	30 years
Inflation (optional)	6%

You get
Time to reach ₹1,00,00,000 (1 crore)	11 years
Your age then	41 years
You invest	₹49,47,480 (49.47 lakh)
Growth from returns	₹50,52,520 (50.53 lakh)
What ₹1,00,00,000 (1 crore) will buy then, in today's money	₹52,67,875 (52.68 lakh)
To get there in 10 years instead	invest ₹36,297 a month

₹1 crore in 11 years.

$1 million with $1,000 a month at 8%

You enter
Currency	$ US dollar
Target amount	1000000
Money invested today	20000
Monthly investment (SIP)	1000
Expected yearly return	8%
Raise the SIP every year by	3%
Your age (optional)	25 years
Inflation (optional)	3%

You get
Time to reach $1,000,000 (1 million)	21 years 10 months
Your age then	46.8 years
You invest	$382,721
Growth from returns	$617,279
What $1,000,000 (1 million) will buy then, in today's money	$524,470
To get there in 10 years instead	invest $5,223 a month

21 years 10 months.

🧭 How to use this calculator

What you enter

Currency
Target amount₹1 crore = 1,00,00,000 · $1 million = 1,000,000
Money invested today
Monthly investment (SIP)
Expected yearly return (%)
Raise the SIP every year by (%)
Your age (optional) (years)
Inflation (optional) (%)Shows what the target will be worth in today's money.

What you get

Time to reach ₹1,00,00,000 (1 crore)
Your age then
You invest
Growth from returns
What ₹1,00,00,000 (1 crore) will buy then, in today's money
To get there in 10 years instead

💡 Tips to reach your target sooner

Raise your SIP by 10% every year with your salary hike.
Invest bonuses and windfalls as lump sums.
Choose low-cost direct or index funds — a 1% lower fee adds up to lakhs.
Keep an emergency fund so you never have to stop your SIP.

❓ Frequently asked questions

How long does it take to make ₹1 crore with a ₹10,000 SIP?

At a 12% yearly return a ₹10,000 monthly SIP reaches ₹1 crore in about 20 years. With a 10% step-up every year it takes about 15 years.

Is ₹1 crore still a lot of money?

It buys less every year. At 6% inflation, ₹1 crore in 20 years is worth about ₹31 lakh in today's money, so aim higher if your goal is far away — the calculator shows this when you enter inflation.

What return should I assume?

Use 10–12% for diversified equity mutual funds over 10+ years, 7–8% for a balanced or hybrid mix, and 6–7% for FDs and debt funds. Use a lower figure if you are unsure.

What is the fastest way to become a millionaire?

Start early, increase your investment every time your salary rises (a step-up SIP), keep costs low with index or direct funds, and avoid stopping your SIP in market falls.

💰 Millionaire Calculator: When Will I Be a Crorepati?