Estimate what a one-time investment could grow to, in money and in today’s prices, with optional extra lumpsums in later years.
Invested
₹1,00,000
Returns
₹2,10,585
Total Value
₹3,10,585
Total
₹3,10,585
Press play or drag the slider to watch your one-time investment pour into the fund on day one, then compound on its own, year by year.
Investment day
₹1,00,000
Invested
₹1,00,000
Returns
₹0
Growth
1×
Day one: ₹1,00,000 moves from your wallet into the fund in one go. From here it grows on its own; at 12% a year, money doubles roughly every 6.1 years. Press play to watch.
| Year | Invested | Est. Returns | Total Value |
|---|---|---|---|
| 1 | ₹1,00,000 | ₹12,000 | ₹1,12,000 |
| 2 | ₹1,00,000 | ₹25,440 | ₹1,25,440 |
| 3 | ₹1,00,000 | ₹40,493 | ₹1,40,493 |
| 4 | ₹1,00,000 | ₹57,352 | ₹1,57,352 |
| 5 | ₹1,00,000 | ₹76,234 | ₹1,76,234 |
| 6 | ₹1,00,000 | ₹97,382 | ₹1,97,382 |
| 7 | ₹1,00,000 | ₹1,21,068 | ₹2,21,068 |
| 8 | ₹1,00,000 | ₹1,47,596 | ₹2,47,596 |
| 9 | ₹1,00,000 | ₹1,77,308 | ₹2,77,308 |
| 10 | ₹1,00,000 | ₹2,10,585 | ₹3,10,585 |
A lumpsum investment is a single, one-time deposit of your full amount into a mutual fund, index fund, stock portfolio, fixed deposit or similar instrument. Instead of feeding money in bit by bit, you put it all to work on the same day and leave it there.
Lumpsums usually come from money that arrives in one piece: an annual bonus, the sale of a property, a maturing policy or deposit, an inheritance, or savings that have built up in a bank account. Once invested, no further contributions are needed — growth comes entirely from returns.
Because every unit of money starts compounding from day one, a lumpsum gets the maximum possible time in the market. That same feature is its main risk: the whole amount enters at a single price, so a sharp fall soon after investing hits all of it at once.
Multiply your lumpsum by the figure for your period and return, compounded once a year as this calculator does:
| Years | Return 8% | Return 10% | Return 12% |
|---|---|---|---|
| 5 years | 1.47× | 1.61× | 1.76× |
| 10 years | 2.16× | 2.59× | 3.11× |
| 15 years | 3.17× | 4.18× | 5.47× |
| 20 years | 4.66× | 6.73× | 9.65× |
| 25 years | 6.85× | 10.83× | 17.00× |
Read the other way, it gives the lumpsum for a goal: at 12%, a target 15 years away needs about 18% of it invested today (1 ÷ 5.47), and one 20 years away about 10%.
These values are before tax and inflation; switch on the inflation adjustment to see them in today’s money. To compare with investing monthly, try the SIP Calculator, or combine both in the SIP + Lumpsum Calculator.
Take a base case of investing a single amount at an assumed 12% a year for 15 years. The first row of the table below is that base case; each row after it changes just one thing, so you can see which lever matters most. Every figure is calculated with the same formulas this site's calculators use.
| Scenario | Invested | Est. Returns | Total Value |
|---|---|---|---|
| ₹1,00,000 once · 12% · 15 years (base case) | ₹1,00,000 | ₹4,47,357 | ₹5,47,357 |
| Base case, left invested for 20 years | ₹1,00,000 | ₹8,64,629 | ₹9,64,629 |
| Same amount invested 5 years later (10 years) | ₹1,00,000 | ₹2,10,585 | ₹3,10,585 |
| Base case at 10% instead of 12% | ₹1,00,000 | ₹3,17,725 | ₹4,17,725 |
| ₹1,00,000 spread as a monthly SIP over 15 years | ₹1,00,000 | ₹1,80,320 | ₹2,80,320 |
Leaving the money invested for five more years raises the final value by about three-quarters, without adding any new money — time is the strongest lever in the table.
Investing the same amount five years later, so it has only 10 years to grow, ends more than 40% lower. That gap is the cost of waiting.
Earning 10% instead of 12% leaves you with close to a quarter less, which is why it pays to test a conservative rate as well.
Spreading the same total across a 15-year monthly SIP ends at roughly half the lumpsum's value in this steady-return model, because on average each installment is invested for only half the period. Real markets are not steady, so a SIP's averaging can narrow that gap — or, after an early crash, reverse it.
There are three common ways to put money into the market. The best fit depends on where the money comes from and how you would feel if prices fell soon after you invested.
| Aspect | Lumpsum | SIP | Staggered (e.g. STP) |
|---|---|---|---|
| How the money goes in | All at once, on day one | Small fixed amounts from regular income | A large sum parked in a low-risk fund, then moved in installments over several months |
| Time in the market | Maximum — every unit compounds from the start | Lower — later installments have less time to grow | In between |
| Risk from a fall soon after investing | Highest | Lowest | Moderate |
| If markets rise steadily | Usually ends highest | Usually ends lowest | In between |
| Suits | A windfall, a long horizon and a calm temperament | Building wealth steadily from a salary | A windfall when an early fall would be hard to sit through |
The approaches also combine well: invest a windfall as a lumpsum and keep a SIP running from your monthly income. The SIP + Lumpsum calculator models exactly that.
At a 12% return, compounded once a year, every 1 you invest grows to:
At 10%, the same periods give about 2.6, 4.2, 6.7 and 10.8 times: two points of return matter more the longer you stay invested.
Divide the goal by the growth multiple. At a 12% return, for every 1,000,000 of goal:
Set the goal in future prices: something that costs 1,000,000 today costs about 3.2 million in 20 years at 6% inflation.
A lumpsum investment is a one-time investment of your full amount upfront, as opposed to a SIP where you invest smaller amounts at regular intervals. The whole amount starts compounding from day one.
The invested amount is compounded annually at your expected rate of return for the number of years you stay invested. See "How the Numbers Are Calculated" below for the exact formula.
Lumpsum works best when you already have a large sum available and expect markets to trend upward, since the entire amount compounds from the start. SIP spreads out your entry price and suits investing from regular income. Neither is universally better — it depends on how much capital you have upfront and your comfort with market timing.
No. It assumes a constant annual return for the entire tenure, which real markets never deliver — actual returns fluctuate year to year. Treat the result as a planning estimate, not a guarantee.
No. The projection shows gross growth before capital gains tax, fund expense ratio, and any exit load. Your actual take-home returns will be lower after these are factored in.
Waiting for the perfect entry point rarely pays off consistently — nobody can reliably predict short-term moves, and time spent waiting is time your money isn't compounding. If a fall right after you invest would make you panic, consider staggering the amount over a few months instead of holding it back indefinitely.
If markets rise over your holding period, investing everything at once usually ends ahead because all of it compounds from day one. Investing in parts — for example through a systematic transfer plan (STP) from a liquid fund into an equity fund over 6–12 months — lowers the risk of entering just before a fall. The right choice depends on your horizon and how you would react to an early loss.
Use a rate that matches the asset you are investing in. Long-run planning figures of 10–12% a year are common for diversified equity funds, around 7–9% for hybrid funds and lower for debt funds or deposits. Past returns don't guarantee future ones, so also check the result at a more conservative rate.
A quick estimate is the Rule of 72: divide 72 by the annual return rate. At 12% a year, money roughly doubles in 6 years; at 8%, in about 9 years. The Time Machine above marks each doubling point for the rate you enter.
Most open-ended mutual funds let you redeem at any time, though an exit load may apply if you sell within a set period, and capital gains tax depends on how long you held the units. Some products, such as tax-saving funds or fixed deposits, have lock-ins or penalties for early withdrawal. Withdrawing early also cuts short the years when compounding does most of its work.
The calculator compounds your invested amount annually at the expected rate of return for the number of years you stay invested.
Future Value
FV = P × (1 + r)^t
SIPCafe's calculators and guides are for education and planning only and are not investment, tax or legal advice. Results are estimates based on the assumptions you enter; actual returns vary and are not guaranteed. Consider speaking with a qualified financial adviser before making investment decisions. SIPCafe is not a registered investment adviser and does not recommend any specific security, fund or scheme. All investments carry market risk; read a fund's or scheme's official documents carefully before investing.
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