One-time investment growth, real value and SIP comparison

Lumpsum CalculatorMutual Fund One-Time Investment Returns

Use this free lumpsum calculator to see what a one-time investment in a mutual fund could grow to. Get the future value, total gains and value after inflation, compare it with spreading the same money through a SIP, or work backwards from a goal.

  • Future value and gains
  • Inflation-adjusted value
  • Lumpsum vs SIP
  • Goal planner

Calculate lumpsum returns

Live results
What do you want to find?
₹1 lakh
12%
10 years
Used to show what your future money is worth in today's terms.

Growth chart and lumpsum vs SIP

10 years at 12%
Lumpsum valueSame money via monthly SIPLumpsum in today's money

Lumpsum vs SIP with the same money

Investing it all today vs spreading it evenly as a monthly SIP over the same period.
Lumpsum today₹3,10,585One payment now
Monthly SIP₹1,86,697Spread over 120 months
Year by year lumpsum value
YearValueGainsToday's value
Why this tool

A Lumpsum Calculator That Shows the Full Picture

A big future number can look impressive. This tool also shows what that money is really worth and whether a SIP would have done better.

Future value and gains

See how much a one-time investment could grow to, and how much of it is pure gain.

Value after inflation

Convert your future amount into today's money, so you know its real buying power.

Lumpsum vs SIP

Compare investing everything today with spreading the same money through a monthly SIP.

Goal planner

Enter a target and find the one-time amount, or the monthly SIP, needed to reach it.

Doubling time

Find out how many years it takes for your money to double at your expected return.

Private and instant

All calculations happen in your browser. No sign-up and nothing stored.

How to use

How to Use the Lumpsum Calculator

Change any value and the results, chart and table update instantly.

  1. Choose a mode

    Pick Future value to project an investment, or Goal planner to work back from a target.

  2. Enter the amount

    Type the amount you plan to invest, or your target, or drag the slider.

  3. Set the expected return

    Use a realistic yearly return for the fund type, not the best year on record.

  4. Choose the time period

    Enter how many years you will stay invested, or tap a preset.

  5. Check inflation and compare

    Review the value in today's money and the SIP comparison. Then copy your result.

The formula

Lumpsum Calculation Formula

A lumpsum investment grows through compounding. Each year, returns are earned on your original amount and on the returns already added.

So the future value is the invested amount multiplied by one plus the yearly return, raised to the number of years.

Worked example

Suppose you invest ₹1,00,000 once at an expected 12% a year for 10 years. The future value is ₹1,00,000 × (1.12)^10 = ₹3,10,585. That means estimated gains of ₹2,10,585.

Adjusting for inflation

If prices rise 6% a year, that future amount would buy about as much as ₹1,73,429 does today. Therefore, always compare returns with inflation, not just with your original amount.

Lumpsum formulas

FV = P × (1 + r)n

  • P: amount invested once.
  • r: expected yearly return as a decimal.
  • n: number of years.
  • Real value: FV ÷ (1 + inflation)n
  • Goal: P = Target ÷ (1 + r)n
Growth of 1 lakh rupees
₹1 lakh at5 years10 years20 years
8% a year₹1,46,933₹2,15,892₹4,66,096
10% a year₹1,61,051₹2,59,374₹6,72,750
12% a year₹1,76,234₹3,10,585₹9,64,629
15% a year₹2,01,136₹4,04,556₹16,36,654
Compare

Lumpsum vs SIP: Which Is Better?

With the same total money and a steady return, a lumpsum usually ends higher, because all of it starts compounding on day one. However, markets are never steady.

A SIP spreads your investment over time. As a result, you buy more units when prices fall and fewer when they rise, which reduces the risk of investing everything at a market peak.

So a lumpsum suits money you already have and a long horizon, while a SIP suits regular income and nervous markets. Many investors combine both.

Tips

When Does a Lumpsum Make Sense?

A lumpsum works well when you receive a bonus, maturity amount or inheritance and plan to stay invested for several years.

If markets feel expensive, you can also park the money in a liquid fund and move it into equity gradually through a systematic transfer plan.

Remember: mutual fund returns vary from year to year. A projection at a fixed rate is a guide, not a promise.

Benefits

Benefits of Using This Lumpsum Calculator

  • Set realistic expectations before you invest.
  • See the real value of future money after inflation.
  • Decide between a lumpsum and a SIP with numbers.
  • Plan the amount needed for a child's education or a home.
  • Compare different return scenarios in seconds.
  • Share a clear projection with your family or adviser.
FAQ

Lumpsum Calculator FAQs

Answers to common questions about one-time mutual fund investments.

What is a lumpsum calculator?

A lumpsum calculator estimates the future value of a one-time investment based on the amount, expected yearly return and time period. It helps you set expectations before investing in a mutual fund.

How is lumpsum return calculated?

The future value is the amount invested multiplied by (1 + yearly return) raised to the number of years. For example, ₹1 lakh at 12% for 10 years grows to about ₹3,10,585.

Is lumpsum better than SIP?

At a steady return, a lumpsum usually grows more because the whole amount compounds from day one. However, a SIP reduces the risk of investing everything at a market high. The better choice depends on your cash flow, horizon and comfort with volatility.

How much will ₹1 lakh become in 10 years?

At 12% a year, ₹1 lakh could grow to about ₹3,10,585 in 10 years. At 8% it would be about ₹2,15,892. Actual returns from mutual funds vary and are not guaranteed.

What return should I assume for a lumpsum?

Use a conservative figure based on the fund type and your time horizon. Many investors use lower rates for debt funds and higher, but still cautious, rates for equity funds held for the long term.

How long does it take to double money in a lumpsum?

A quick estimate is the rule of 72: divide 72 by the yearly return. At 12%, money doubles in about 6 years. The calculator shows the exact doubling time for your return.

Why should I adjust for inflation?

Inflation reduces what money can buy. A large future amount may be worth much less in today's terms, so checking the inflation-adjusted value helps you plan real goals.

Are lumpsum returns taxable?

Yes. When you redeem units, gains are taxed as capital gains based on the fund type and holding period. This calculator shows returns before tax, so check the current rules or ask a tax adviser.

Put Your Money to Work With a Clear Plan

Before you invest a bonus or maturity amount, see what it can become. Use the lumpsum calculator to compare options and invest with confidence.

Calculate my returns

More investment calculators

This lumpsum calculator uses a constant return for illustration. Mutual fund investments are subject to market risks, and actual returns, taxes and expenses will differ. Please read scheme documents and consult a financial adviser before investing.

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