Lumpsum Calculator
Calculate how a one-time investment grows over time. Enter the amount, expected annual return, and holding period to see your estimated maturity value.
Amount Invested
₹1.00 L
Est. Returns
₹2.11 L
Maturity Value
₹3.11 L
210.6% absolute gain
Year-by-Year Breakdown
Results shown are estimates based on assumed annual returns and are for illustrative purposes only. Actual returns will vary.
What is a lumpsum mutual fund investment?
A lumpsum investment is a one-time, large amount put into a mutual fund instead of investing monthly via a SIP. It is typically used when you have a windfall - a bonus, an inheritance, a maturing FD or accumulated savings. The full amount starts compounding from day one. Lumpsum suits investors who already have a sum ready and a long horizon to let it grow. Over long periods, history shows that investing a lumpsum sooner has often outperformed waiting to spread it out, but it also fully exposes you to that day's market price.
How to use the Lumpsum Calculator
- Enter your lumpsum amount. Set the one-time amount you plan to invest, for example ₹5,00,000.
- Set the expected annual return. Use 10-12% for diversified equity, 6-8% for debt, or your fund's long-term average.
- Enter the holding period. Number of years you plan to stay invested. The longer, the better for equity.
- Review the maturity value. See your estimated final value, total gain and the growth multiple.
- Compare with SIP. Use the SIP Calculator to see what spreading the same amount monthly would do, especially if markets feel volatile.
Formula and method
Where P is the lumpsum amount, r is the annual rate (as a decimal), and n is the number of years. This is the standard compound-interest formula - a single deposit growing at a yearly rate.
When a lumpsum makes sense
- You have a windfall to deploy. Bonus, FD maturity, sale proceeds - money already in hand.
- Your horizon is long. 7+ years lets equity ride out any near-term dip.
- You want full market exposure now. Every rupee compounds from day one, not staggered.
- You can sit through volatility. A lumpsum drop hurts more than a SIP dip - the full amount is exposed.
- An STP can soften the entry. Park in a liquid fund and move into equity over 6-12 months if you are nervous.
Sample lumpsum returns at 12% annual
| Lumpsum | 10 years | 20 years | 30 years |
|---|---|---|---|
| ₹1,00,000 | ≈ ₹3.1 lakh | ≈ ₹9.6 lakh | ≈ ₹30 lakh |
| ₹5,00,000 | ≈ ₹15.5 lakh | ≈ ₹48 lakh | ≈ ₹1.5 crore |
| ₹10,00,000 | ≈ ₹31 lakh | ≈ ₹96 lakh | ≈ ₹3 crore |
| ₹25,00,000 | ≈ ₹77.6 lakh | ≈ ₹2.4 crore | ≈ ₹7.5 crore |
Figures assume 12% annual return compounded yearly. Illustrative; equity returns are not guaranteed.