Lumpsum Investment Calculator

See how a one-time investment can grow over time with the power of compounding.

Plan your lumpsum

Total investment

₹

Expected return (p.a.)

Investment period

Invest now

Your results

Total value

₹3,10,585

Total value₹3.11 L

Invested amount₹1,00,00032.2%
Est. returns₹2,10,58567.8%

Invested amount

₹1,00,000

Est. returns

₹2,10,585

Absolute return

210.58%

Annualised (CAGR)

12.00%

Invest now

What is the Lumpsum Investment Calculator?

A lumpsum investment calculator estimates the maturity value of a single, one-time investment held for a chosen period at an expected rate of return. It is ideal when you have a large sum — a bonus, maturity proceeds or savings — and want to invest it all at once rather than spreading it out.

How does it work?

The entire amount is invested upfront and compounds for the full tenure. The calculator applies annual compounding to your principal at the expected return rate, so each year’s growth is calculated on the previous year’s ending balance.

Formula

FV = P × (1 + r)^t

FV = future value (maturity amount)
P = principal (lumpsum invested)
r = expected annual rate of return (as a decimal)
t = number of years

Example calculation

Invest ₹1,00,000 once at 12% per annum for 10 years. The amount grows to roughly ₹3,10,585, of which about ₹2,10,585 is the return earned through compounding.

Benefits

+Simple and fast way to project one-time investment growth.
+Captures the full benefit of compounding over the entire tenure.
+Useful for goal planning when you already have the capital ready.

Limitations

!Assumes a fixed return; real markets are volatile and can fall.
!Investing all at once exposes you to market-timing risk.
!Taxes, exit loads and inflation are not considered.

Conclusion

Lumpsum investing rewards patience and a long horizon. Use this calculator to set expectations, but consider your risk appetite and whether staggering the investment via a SIP might suit volatile markets better.

Frequently Asked Questions

What is a lumpsum investment?+

A lumpsum investment is a single, one-time deposit of money into an instrument such as a mutual fund, as opposed to investing in regular instalments.

How is lumpsum maturity calculated?+

It uses compound interest: the principal grows each year on the previous balance at the expected rate, giving FV = P × (1 + r)^t.

Is lumpsum better than SIP?+

Lumpsum can outperform when invested before a market rise, while SIP reduces timing risk through averaging. The right choice depends on your cash flow and market view.

Does the calculator include taxes?+

No. Capital gains tax, exit loads and fund expenses are excluded, so your actual returns may be lower.

What return rate should I assume?+

For long-term equity funds, 10–14% is a common assumption, but it is only an estimate. Use a conservative figure for safer planning.

Can the value go down?+

Yes. Market-linked investments can decline. The calculator shows a projection based on a constant rate, not a guarantee.

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