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Lumpsum Calculator | One-Time Investment Future Value
Calculate the future value and total returns of a one-time (lumpsum) investment instantly based on investment amount, expected annual return and time period.
Lumpsum Calculator
A large one-time investment (lumpsum) can grow substantially over time through compounding — enter the investment amount, expected return and tenure below to find out.
How lumpsum calculation works
A lumpsum investment grows at a compound rate: FV = P × (1 + r)^t — the invested amount grows each year at the annual return, and the longer it stays invested, the more the benefits of compounding accumulate. Remember the Rule of 72: at an annual rate of 12%, money roughly doubles in about 6 years (72 ÷ 12).
A few important points:
- Mutual fund returns are market-linked — the rate is only an expected estimate.
- To compare SIP vs lumpsum with the same rate and an equal total instalment outlay, see the SIP calculator.
- Holding equity funds for a tenure of at least 7–10 years increases the likelihood of good average returns relative to risk.
- Capital gains tax applies on sale — the rates are explained in the FAQ.
Frequently Asked Questions
What is the difference between lumpsum and SIP?
In a lumpsum, the entire amount is invested at once; in a SIP, it goes in smaller monthly instalments. If the money lands when the market is at a low level, a lumpsum can deliver higher returns; a SIP is safer because it enforces discipline over time.
How much can a ₹1 lakh lumpsum become in 10 years?
At an average annual return of 12%, ₹1 lakh can grow to about ₹3.11 lakh in 10 years. Enter your own rate and tenure in the calculator above to see an accurate estimate.
Are lumpsum returns guaranteed?
No. Mutual fund returns are market-linked — the rate used in the calculator is only an assumed rate. If you want fixed returns like a bank FD or post office scheme, check those calculators instead.
Is tax applicable on lumpsum investments?
Yes. For equity funds held for more than 1 year, LTCG above ₹1.25 lakh is taxed at 12.5%, and units sold earlier attract STCG at the slab rate. Gains from debt funds are taxable according to your slab.