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Free Lumpsum Calculator

Lumpsum Calculator: Calculate Your One-Time Investment Returns Online

Also, check out our SIP Calculator for monthly investments and our Mortgage Calculator for house loans.

Putting a lot of money into something all at once? Our free lumpsum calculator shows you right away how your one-time contribution can grow over time with compound interest. You may see your predicted maturity value, total wealth gain, and comprehensive year-by-year growth estimates by entering your investment amount, expected return rate, and investment duration.

Whether you got a bonus, an inheritance, or have cash ready to invest, this calculator will help you see how compounding works and make smart money choices. When you invest in a lump amount, all of your money is put to work right away, which could lead to bigger returns in rising markets. This is different from periodic SIP investments.

Lumpsum Calculator

Project one-time mutual fund investments with multi-currency support and longer holding periods.

Multi-currency

Estimated value (INR)

₹3,30,039

Invested (INR)

₹1,00,000

Wealth gain (INR)

₹2,30,039

Inflation-adjusted (INR)

₹2,02,615

Need monthly investing numbers?Open the SIP Calculator

Future values at a glance

Default chart and table cover your plan plus 1, 3, 5, 10, 15, and 20 more years so you can decide how long to stay invested.

HorizonInvested (INR)Estimated valueWealth gainInflation-adjusted
10 yrs (plan)₹1,00,000₹3,30,039₹2,30,039₹2,02,615
11 yrs (+1)₹1,00,000₹3,71,896₹2,71,896₹2,17,440
13 yrs (+3)₹1,00,000₹4,72,209₹3,72,209₹2,50,423
15 yrs (+5)₹1,00,000₹5,99,580₹4,99,580₹2,88,408
20 yrs (+10)₹1,00,000₹10,89,255₹9,89,255₹4,10,529
25 yrs (+15)₹1,00,000₹19,78,847₹18,78,847₹5,84,359
30 yrs (+20)₹1,00,000₹35,94,964₹34,94,964₹8,31,794

Yearly growth snapshot

Future values are visible by default so you can see how long-term compounding behaves each year.

YearValue at year end (INR)Inflation-adjusted
1₹1,12,683₹1,07,317
2₹1,26,973₹1,15,169
3₹1,43,077₹1,23,595
4₹1,61,223₹1,32,638
5₹1,81,670₹1,42,343
6₹2,04,710₹1,52,758
7₹2,30,672₹1,63,934
8₹2,59,927₹1,75,929
9₹2,92,893₹1,88,801
10₹3,30,039₹2,02,615

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What is an investment in a lump sum?

A lumpsum investment is when you place a big quantity of money into an investment instrument all at once. With a Systematic Investment Plan (SIP), you invest little sums of money every month. With this plan, you put all of your money in at once.

People often invest a big sum of money when they get a year-end bonus, inherit money, cash in matured fixed deposits, or sell property. This method gives you the most exposure to market growth from the start, so compound interest can start working on your complete investment right away.

If you have a lot of money ready and believe that your selected investment will expand over time, lumpsum investments work best for equity mutual funds, debt funds, fixed deposits, and stocks.

What is the function of a lumpsum calculator?

A lumpsum calculator uses the compound interest calculation to figure out how much your investment will be worth in the future. The math behind it is simple yet strong.

The Formula

FV = P x (1 + r)^n
  • FV = Future Value (the amount at maturity)
  • P = Principal (the amount of money you put in at first)
  • r = The annual rate of return as a decimal
  • n = Number of years

Advanced formula:

FV = P x (1 + r/n)^(n x t)

n is the number of times the interest is added (12 for monthly, 4 for quarterly), and t is the number of years.

Our calculator does these calculations right away and shows you your total maturity value, wealth increase (returns earned), and absolute return percentage.

A Step-by-Step Guide to Using This Calculator

Follow these simple steps:

Step 1

Type in how much you want to invest

Enter the total amount you want to invest. This might be anywhere from Rs 1,000 to several crores.

Step 2

Decide what rate of return you want

The average yearly return on historical stock mutual funds is 10-15%.

Step 3

Pick how long you want to invest

Choose how long you want to stay invested. 5 to 7 years is the least amount of time recommended for equity.

Step 4

Look at your results

You can see future value, total returns, and year-by-year growth estimates right away.

Examples That Work With Real Numbers

Invest Rs 1,00,000 for 10 years at 12% interest

ParameterValue
Initial InvestmentRs 1,00,000
Expected Return12% a year
Investment Period10 years
Maturity ValueRs 3,10,585
Wealth GainRs 2,10,585
Absolute Returns210.58%

If you invest at 12% yields, your money will grow by more than three times in ten years.

Looking at different time frames (Rs 5,00,000 at 12% Returns)

Time FrameMaturity Value
5 YearsRs 8,81,170
10 YearsRs 15,52,924
15 YearsRs 27,35,930
20 YearsRs 48,23,145
25 YearsRs 85,00,013

This table shows why staying invested for a longer time makes you much richer. Over the course of 25 years, your Rs 5 lakh will rise by around 17 times.

How return rates affect Rs 10,00,000 over 15 years

Return RateMaturityGain
8%Rs 31,72,169Rs 21,72,169
10%Rs 41,77,248Rs 31,77,248
12%Rs 54,73,566Rs 44,73,566
15%Rs 81,37,062Rs 71,37,062

Over extended periods of time, even a 2-3% difference in returns can make a big difference in wealth.

Why It's Important to Stay Invested Longer

The miracle of compounding speeds up a lot over time. Knowing this idea changes the way you think about investment.

  • Years 1-5: Your investment rises regularly but not by much. Most of your growth comes from the money you put in.
  • Years 6-15: Compounding gets speed. Returns on your returns start to have a big effect on growth.
  • Year 15 plus: Growth starts to happen at an exponential rate. Your returns have now made more new money than your original investment ever could.

For example, if you invest Rs 1 lakh at 12% interest, it will grow to Rs 3.1 lakh in 10 years. But by year 20, it has grown to Rs 9.65 lakh. By the time you turn 30? Rs 29.96 lakh, which is almost 30 times what you put in. This is why financial experts always tell people to invest early and be patient. Time in the market is better than trying to time the market.

Lumpsum or SIP: How to Pick the Best Method

CategoryLumpsumSIP
Best ForLots of money accessiblePeople who make money on a regular basis
Timing of the marketLumpsum matters moreSIP averages out (rupee-cost averaging).
Volatility RiskMore short-term riskRisk spread out across market cycles
Returns in Rising MarketsUsually largerLower because it takes time to deploy
Returns in Falling MarketsMay be lowerBenefits from buying at cheaper prices
Discipline NeededOne-time choiceOngoing commitment
Ideal Horizon7+ years3+ years

Choose lumpsum when: You have extra cash to invest, the markets seem to be fairly priced, your investment horizon is more than seven years, and you can handle short-term volatility.

Choose SIP when: You get a consistent paycheck every month, want to learn how to be a disciplined investor, want to lower your timing risk, or aren't sure about the present market values.

Many seasoned investors utilize both techniques at the same time: they use lumpsum for big windfalls and SIP for monthly savings.

How to Make Lumpsum Investing Work for You

  • Spread your investments among several types of funds

    Don't invest all of your money into one fund. Divide your money amongst large-cap, mid-cap, and debt funds.

  • Think about how much the market is worth

    Putting money into the market when prices are fair leads to better long-term results. Look at the PE ratios.

  • Keep a long-term view

    Lumpsum investments are not stable. Make a promise to stay involved for at least five to seven years.

  • Think about the big picture

    Before you spend a lot of money, make sure you have money set up for emergencies and insurance.

Things to Avoid Doing Wrong

Putting money into something without having an emergency fund

Don't put money on something you could require in the next year or two. The timing of withdrawals from the market can have a big effect on results.

Going after the most recent high performers

Funds that have done really well recently often go back to their average performance. Instead, look for solid long-term track records.

Not paying attention to expense ratios

High fund costs add up over time, which is bad. Over 20 years, a 1% variation in costs can cost you lakhs.

Being too obsessed with timing the market

If you wait for the "perfect" entry opportunity, you can miss out on overall market growth. Being in the market is better than timing the market.

Detailed Projection Table: Getting to Know Your Growth

Our calculator's year-by-year projection tells you just how your investment grows. This openness is helpful for you:

  • Benefit 1: You may set realistic goals by looking at real growth patterns.
  • Benefit 2: Keep your motivation up in the early years when growth seems slow.
  • Benefit 3: Watching returns grow faster over time can help you understand compounding.
  • Benefit 4: You can plan your withdrawals by knowing how much money you have at the end of each year.

In short, the full breakdown shows why stopping your investment early means giving up the most lucrative growth years at the end of your investment horizon.

Questions that are often asked

What does it mean to make a lumpsum investment?

A lumpsum investment is when you put all of your money into an investment at once instead than spreading it out over several payments. This is the best way to invest your money right away if you get a bonus, an inheritance, or have funds you want to use right away to take advantage of compound interest over time.

What does a lumpsum calculator do?

The formula for compound interest is FV = P x (1 + r)^n, where P is the principal amount, r is the yearly rate of return, and n is the number of years the investment will last. You can get fast results displaying your future worth and overall wealth increase by entering your investment amount, estimated return rate, and time period.

How do you figure out lumpsum returns?

The formula for calculating a lumpsum is: Future Value (FV) = P x (1 + r/n)^(n x t), where P is the principal amount, r is the annual interest rate (in decimal), n is the number of times it compounds each year, and t is the number of years it takes. This becomes FV = P x (1 + r)^t for annual compounding.

Is it better to invest in a lumpsum or a SIP?

When markets are going up, lumpsum investments usually do better than SIP because your whole investment grows from day one. Rupee-cost averaging makes SIP work better in markets that are going up and down. If you have a lot of money to invest and the markets are good, go with lumpsum. If you want regular income and the markets are uncertain, go with SIP.

How much do you need to invest in mutual funds in a lumpsum?

Most mutual fund companies will take a minimum investment of Rs 1,000 to Rs 5,000. Some funds may require a minimum of Rs 10,000 or more. International investors can start with the same amount of money in their own currency. Before you invest, make sure you read the requirements for that fund.

What is the maximum amount of money I can make from a Rs 1 lakh lumpsum investment?

If you invest Rs 1 lakh in a lump sum at 12% annual interest, it will rise to about Rs 1.76 lakh in 5 years, Rs 3.11 lakh in 10 years, and Rs 9.65 lakh in 20 years. The actual returns depend on the type of investment and how well the market does. Use the calculator above to look at different situations.

Is it possible for me to take out my lumpsum investment at any time?

How easy it is to withdraw depends on the type of investment. You can take money out of open-ended mutual funds at any time, but there may be exit loads (usually 1% if you redeem within a year). There is a three-year lock-in period for ELSS funds. You could have to pay a fee if you take money out of a fixed deposit early. Always read the agreements before you put money into something.

What does it mean to invest a lot of money at once?

With compound interest, you make money not only on your original investment but also on the interest that has built up over time. Over time, this leads to exponential development. For instance, Rs 1 lakh at 12% rises to Rs 3.1 lakh in 10 years but to Rs 29.96 lakh in 30 years. This shows how longer investing periods can greatly increase income.

Is the lumpsum calculator right?

When you enter your information, lumpsum calculators provide you reliable math-based estimates. But because of changes in the market, fund performance, and the economy, real returns may be different. The calculator displays possible outcomes based on a constant return rate. It is not a guarantee, but it can help you plan.

When should I choose lumpsum instead of SIP?

If you have a lot of money available (from a bonus, inheritance, or matured FD), the markets are at lower values, you have a long investing horizon (7+ years), and you can handle short-term volatility, you should think about making a lumpsum investment. Also, consider lumpsum for debt funds or liquid funds where timing the market isn't as important.

Related Calculators

Disclaimer: This calculator is meant for educational purposes and gives estimates. There are hazards in the market when you invest in mutual funds. You can't count on future results based on how well something has done in the past. Before you make any investment decisions, please read all the scheme-related materials carefully and talk to a knowledgeable financial advisor. The calculator assumes that the rate of return will stay the same, which may not be true in the real world.

Last updated: January 4, 2026