Interactive tool · Free · Updated for 2026

Future Value Calculator

See what your money will be worth in 5, 10, or 30 years — with compound growth and regular contributions factored in.

Use this free future value calculator to project how a lump sum, a monthly investment, or both together grow over time at any expected rate of return.

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4.9 / 5 · 1,940 ratingsUsed by 31,500+ saversAvg. clarity gained · meaningful
Live calculation
runs locally
Compounding frequency
Adjust for inflation
Future value
$1.34M
in 30 yrs
Total invested
$190.0K
contributions + start
Wealth gained
$1.15M
compounding payoff
Big win
Future value
$1.34M
nominal, in 30 years
Big win
Money multiplier
7.0×
future value ÷ invested
Year you cross $1M
Year 28
at this pace
CAGR achieved
6.72%
vs 10% input
Wealth growth over time
Contributions stacked with growth
Where every dollar ends up
Invested vs wealth gained
You'll have
$1,338,037
Invested $190.0K · Gained $1.15M
Side-by-side

The cost of waiting.

Metric
Start today
Start 5 years later
Monthly contribution
$500
$500
Expected return
10%
10%
Investment period
30 yr
25 yr
Total invested
$190.0K
$160.0K
Future value
$1.34M
$789.5K
Wealth gained
$1.15M
$629.5K
Cost of 5-year delay
$518.5K less wealth
Shareable

Share your future value projection.

Built for screenshots, partner conversations, and the occasional WhatsApp humble-brag.

lazysmirkfuture-value-calculator
My wealth projection
$1.34M in 30 years
Invested $190.0K · Gained $1.15M.
Start
$10.0K
Monthly
$500
Return
10%
lazysmirk.comBuild less. Win more.
Quick Answers

Future Value Calculator, in 30 seconds.

Direct answers to the most common questions, in plain language. Skim if you're in a hurry; dig deeper below.

What is future value?

Answer

What your money grows into after compounding for a set number of years.

Future value takes a present amount, applies a growth rate over time, and tells you what it will be worth at a chosen future date. Add monthly contributions on top, and the same formula compounds each one separately.

How does compounding actually help?

Answer

You earn returns on your past returns, not just on your principal.

In year one you earn on what you invested. In year two you earn on what you invested plus year one’s gains. Stretch that over 30 years and the gains start outpacing the contributions by a wide margin.

What return rate should I use?

Answer

Long-term averages: 10–12% for equity, 6–8% for debt, 3–5% for cash.

For Indian equity, a long-run assumption of 11–12% nominal is reasonable. For US equity, 8–10%. Debt funds and bonds: 6–8%. Bank deposits: 3–5%. Use a number you can justify, not the best year you remember.

Should I include inflation?

Answer

Yes, if you care what the money will actually buy.

A future value of ₹1 crore in 30 years sounds impressive — until you realise inflation will have eaten most of its purchasing power. The inflation toggle shows you both numbers: the headline figure and the real (today’s-rupee) figure.

How it works

How future value calculator works.

The mechanics in short answers — no jargon, no upsell.

01

Compounding turns time into money.

Money invested today grows by a percentage each year. Next year, the growth is calculated on the new, larger amount. Over decades, that small percentage stacks into something dramatic.

02

Regular contributions stack their own curves.

Each monthly contribution starts its own compounding journey. The one you make in year 1 has 29 years to grow. The one you make in year 29 has 1 year. The early ones do most of the heavy lifting.

03

Time matters more than amount.

Starting 5 years earlier with the same monthly amount often beats starting later with double the contribution. Compounding rewards duration more than size.

04

Inflation quietly shrinks the headline.

A 30-year future value at 6% inflation is worth only ~17% of its nominal value in today’s money. The calculator shows both so the headline number doesn’t mislead.

How to use

Four steps. About 20 seconds.

Designed so anyone can model their situation in under a minute, with or without a finance background.

  1. Step 1
    Enter what you have today
    The lump sum you’re starting with. Zero is fine.
  2. Step 2
    Add your monthly contribution
    What you can realistically invest every month — and any expected annual increase.
  3. Step 3
    Set the return and the horizon
    Pick an expected rate of return and the number of years until you need the money.
  4. Step 4
    See your future value
    Total at the end, wealth gained, and the inflation-adjusted figure if you want it.
Benefits

Why this matters.

Make goals concrete

Vague "save more" becomes a precise target. ₹50 lakh in 15 years requires X per month at Y% — the calculator turns ambition into a number.

Compare scenarios fast

Run today vs five-years-from-now, or 8% vs 12%, side by side. The gap is usually larger than people guess.

See the compounding payoff

Watching the "wealth gained" number overtake "total invested" is the most useful visualisation in personal finance.

Plan for inflation honestly

A future amount that ignores inflation flatters the present-day saver. The inflation toggle keeps you honest.

Decide between SIP and lump sum

Plug in both and see which produces more at your assumed return.

Stop second-guessing the math

Most "should I invest now?" questions resolve in one click once you see the 30-year curve.

FAQ

Future Value Calculator, answered.

Everything you might ask before, during, or after using this tool.

Written for borrowers, not bankersPlain-language, jargon-freeReviewed quarterly
What’s the difference between future value and present value?

Future value asks: "If I invest this much today, what will it grow into?" Present value asks the reverse: "How much do I need to invest today to end up with this amount later?" The calculator handles the future-value direction. For present value, work backwards — divide your target by the same growth multiplier.

Should I use nominal or real returns?

Use nominal returns (the headline rate) for the inputs and turn on the inflation toggle for the output. That way the calculator shows both the nominal future value (impressive number) and the real, inflation-adjusted value (what it actually buys).

Is monthly or annual compounding more accurate?

Monthly is closer to reality for most market-linked investments — mutual funds, stocks, index funds. Annual is the textbook default and the difference is usually small (a few percent over 30 years). Pick what matches your investment type.

What return rate is realistic for Indian equity?

A long-term assumption of 11–12% nominal is defensible based on historical Nifty 50 and Sensex returns. Be wary of anything above 15% as a long-run input — it usually leads to plans that fail in the first bad decade.

Should I include monthly contributions or just the lump sum?

Almost always both. A pure lump-sum projection ignores how most people actually save. Adding even a small monthly figure dramatically changes the long-run number because each contribution compounds.

Does this account for taxes?

No. The calculator shows pre-tax future value. For Indian equity mutual funds, long-term capital gains above ₹1.25L are taxed at 12.5%. For debt funds bought after April 2023, gains are taxed at slab rate. Subtract roughly 10–15% from the gain to estimate after-tax outcomes.

What about market crashes and bad years?

The calculator assumes a smooth, constant return — which never happens in reality. Markets go through boom and bust years that average out to the long-run rate. The future value is correct on average; the path will be bumpy.

How do I model a SIP with annual step-ups?

Use the "annual increase in contribution" field. A 10% annual step-up means your ₹10,000 monthly becomes ₹11,000 next year, ₹12,100 the year after, and so on — usually a closer match to how income and savings actually grow.

The compounding curve, demystified

The famous "hockey stick" of compounding isn’t magic — it’s just exponential growth catching up with your intuition.

For the first decade or so, your contributions dominate. Total invested and total value look similar. Around year 15 to 20, the gap starts widening visibly. By year 25 to 30, the growth column is multiples of what you put in.

This is why "start early" is the single most repeated piece of investing advice. Not because the early money is special — it isn’t — but because it has the most years to ride the curve.

Choosing a return rate you can defend

A future value projection is only as good as its return assumption. Use the wrong number and the math is precise but the answer is wrong.

For Indian equity, 11–12% nominal is a defensible long-run number based on Nifty 50 and Sensex history. For US equity, 8–10% is the standard. For debt and bonds, 6–8%. For cash and bank deposits, 3–5%. For real estate, 7–9% all-in including rent and appreciation.

When in doubt, run two projections — a conservative one and an aggressive one. The truth usually lives in between, and seeing both keeps you from over-committing to the optimistic case.

Nominal vs real: the inflation trap

Inflation is the silent tax on long-term projections. At 6% inflation, money loses about half its purchasing power every 12 years.

So a 30-year projection that ends at ₹1 crore (nominal) is worth roughly ₹17 lakh in today’s purchasing power. That’s still meaningful, but it’s not what people assume when they see "₹1 crore" on the screen.

The fix is simple. Always look at both numbers. The nominal value tells you what you’ll see in your account; the real value tells you what it’ll buy. Plan around the real value, celebrate the nominal one.

Lump sum vs monthly: which wins?

In a steadily rising market, a lump sum almost always beats spreading the same amount over months. The lump sum has more time invested, so it compounds more.

But "steadily rising" is doing a lot of work in that sentence. In a volatile or sideways market, monthly contributions (rupee-cost averaging) reduce regret and produce more stable outcomes. They also match how most people actually save — out of monthly income.

If you have a windfall and a long horizon, lump-sum invest. If you have a salary and ongoing income, monthly is the structural answer. Most real plans are a combination.

Common future value mistakes

  • Using a return rate from a recent bull market as if it were the long-run average.
  • Forgetting that taxes will reduce the headline figure by 10–15% on most asset classes.
  • Ignoring inflation and being shocked by what the future amount actually buys.
  • Modeling a constant return and then panicking when the real path is bumpy.
  • Assuming you’ll keep contributing the same amount for 30 years when income, expenses, and life will all change.
  • Treating the projection as a forecast instead of a planning tool.
Trust & transparency

How this tool behaves, and what it isn't.

Two short notes worth reading before you trust any number on this page.

Privacy

Calculations run locally in your browser.

Your loan amount, rate, and prepayment inputs never leave your device. No accounts, no cookies on your numbers, no analytics on the values you type. Disconnect from the internet and it still works.

  • No account required
  • No data stored or sent
  • Works offline
  • No third-party trackers
Disclaimer

Lazysmirk is a tools platform, not a financial institution.

We are not a bank, NBFC, advisor, broker, or distributor of any financial product. The numbers shown here are estimates for educational purposes only, based on the inputs you provide.

Results are not financial, legal, or tax advice. Please consult a qualified professional before any decision about your loan, investments, or personal finances. Actual loan terms and charges depend on your bank and individual circumstances.