Lumpsum Calculator
See how a one-time investment grows over time, with a full year-by-year breakdown. Free, no login, nothing stored.
Assumes annual compounding at a constant rate. Actual market-linked returns will vary year to year.
Year-by-Year Growth
| Year | Growth This Year | Total Value | Real Value (Today's Money) |
|---|
What Is a Lumpsum Investment?
A lumpsum investment means putting in a single, one-time amount into a mutual fund, stock, or other instrument, rather than investing smaller amounts periodically like a SIP. This calculator projects how that single investment could grow over time at a constant assumed annual rate of return, using standard compound interest.
Free, No Login, No Data Stored
This calculator runs entirely in your browser. There is no sign-up, no account, and nothing you enter is saved, tracked, or sent anywhere. It's free to use as many times as you need.
How to Use This Lumpsum Calculator
- Enter your Lumpsum Investment amount.
- Choose an Expected Annual Return from the presets, or enter your own.
- Enter the Time Period in years.
- Results update instantly - Invested Amount, Estimated Returns, Investment Multiple, and Maturity Value, along with a full year-by-year growth table below.
Lumpsum Formula
Maturity Value = Investment x (1 + Annual Rate)^Years
Returns = Maturity Value - Investment
Real Value = Maturity Value / (1 + Inflation Rate)^YearsThis shows what your maturity amount would actually be worth in today's purchasing power, since prices rise over time and the same rupee amount buys less in the future.
This assumes the return rate compounds annually and stays constant every year, which is a simplification - real market-linked investments fluctuate year to year even if the long-term average matches your assumed rate.
Lumpsum vs SIP
| Feature | Lumpsum | SIP |
|---|---|---|
| Investment style | One large investment made at once | Smaller, regular investments over time |
| Timing risk | Higher - the entire amount is exposed to market levels on a single day | Lower - contributions are spread across many market levels (rupee cost averaging) |
| Best suited for | A windfall, bonus, or maturity payout with a clear investment horizon | Regular income earners building wealth steadily over time |
| Growth calculation | Standard compound interest on a single amount | Requires a running total of periodic contributions plus growth on each |
If you're investing regular monthly amounts instead of a single sum, use an SIP calculator rather than this one for an accurate projection.
Who Is This Calculator For?
- Anyone with a windfall - bonus, inheritance, or maturity payout from another investment - deciding how it could grow if invested.
- Investors comparing a lumpsum strategy against spreading the same amount out through an SIP.
- Anyone wanting a year-by-year view of how a single investment compounds over time.
This tool provides mathematical projections only and is not investment advice. Consider consulting a registered investment advisor for guidance specific to your financial situation.
Frequently Asked Questions
Is a lumpsum investment better than an SIP?
Neither is universally better - it depends on when you invest relative to market conditions and how much lump sum capital you have available. Lumpsum can perform better in a rising market, while SIP tends to reduce timing risk by spreading purchases across market ups and downs.
Does this calculator guarantee the returns shown?
No. This is a projection based on the constant annual rate you enter. Actual returns from market-linked investments like equity mutual funds or stocks fluctuate and are never guaranteed.
Why does the year-by-year growth amount increase each year?
Because of compounding - each year's growth is calculated on a larger base (the original investment plus all previous years' growth), so the rupee amount of growth increases even though the percentage rate stays the same.
Can I use this for fixed deposits too?
Yes, if your fixed deposit compounds annually, this calculator will give an accurate projection. Many bank FDs compound quarterly instead, which would produce a very slightly higher return than shown here.
What is investment multiple?
It shows how many times your original investment has grown - for example, a 2.5x multiple means your money grew to two and a half times what you originally invested.
Why is the Real Value lower than the Maturity Value?
The Maturity Value shows the actual rupee amount you'd have in the future. The Real Value adjusts that for inflation, showing what that future amount would actually be able to buy in today's terms. Since prices generally rise over time, a rupee in the future buys less than a rupee today, which is why the inflation-adjusted figure is smaller.
Is this calculator free to use?
Yes, completely free, with no login and no data stored, and works on both mobile and desktop.
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