Lumpsum Calculator
Got a bonus, FD maturity, or a lump sum sitting idle? This calculator helps you see how much your one-time mutual fund investment could grow over the years. Enter the amount, how long you plan to stay invested, and an expected return rate — and you'll get a clear picture of what your money could become.
Adjust Parameters
₹1,00,000
Principal
₹2,10,585
Est. Gains
₹3,10,585
Total Value
Growth Over Time
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How a lumpsum investment grows
When you invest a lumpsum in a mutual fund, your money starts compounding from day one. Unlike a SIP, the full amount earns returns right away — every rupee is at work immediately.
The longer you stay invested, the harder compounding works. Each year, returns are earned not just on your original investment but on every rupee of growth accumulated so far.
Worked example
Say you invest ₹5 lakh today and leave it for 15 years at an expected 12% annual return. Your money could grow to around ₹27 lakh — over ₹22 lakh in gains on a ₹5 lakh investment. Extend that to 20 years and the projected value reaches ₹48 lakh. Time in the market does the heavy lifting.
When to use this versus our other tools
Use this calculator when you have a defined sum to invest today and want to see what it could grow into. If you'd rather invest gradually to average your entry price, the STP Calculator helps you plan that. To see what a lump sum actually returned in a specific mutual fund using real NAV data, try our Real Lumpsum backtest.
Frequently Asked Questions
Is a lumpsum investment better than a SIP?▾
It depends on when you invest. In falling markets, a lump sum entered at the right time can beat a SIP. For most salaried investors, a SIP is the practical choice. If you do have a lump sum, spreading it through an STP is often the safer route.
What return rate should I use?▾
For equity funds over 10+ years, 11–13% is a reasonable historical reference for large-cap funds. For debt funds, 6–8% is more realistic. Use conservative numbers for planning — treat higher returns as upside.
Should I invest a lump sum all at once or through an STP?▾
If markets are near all-time highs, consider spreading the investment over 12–24 months using an STP. After a sharp market fall of 20% or more, going in all at once often works better in hindsight.
Does this calculator account for exit load?▾
No. Most equity funds charge a 1% exit load if you redeem within one year. Plan to stay invested longer than that window.
How is lumpsum investment taxed?▾
Equity mutual funds held for more than 12 months attract 12.5% LTCG tax on gains above ₹1.25 lakh per year (FY 2025-26 rules). Debt funds are taxed at your income-tax slab rate, regardless of holding period.
Can I invest in any mutual fund as a lump sum?▾
Yes — equity, debt, hybrid, and international funds all accept lump sum investments. Some ELSS funds have a 3-year lock-in even for lump sum investments.
What is a good amount to start with?▾
Minimums vary by fund house — usually ₹500 to ₹5,000. There is no upper limit. Practically, any amount above ₹10,000 makes meaningful sense.