Asset Class Presets (historical avg. — not guaranteed)
FD / Debt 7%
Balanced 10%
Large Cap 12%
Mid/Small Cap 15%
Nifty 50 long-term avg. ≈ 12–13% p.a. · Use conservative rates for planning.
₹1 L
Minimum investment is ₹1,000
Please enter an investment amount
10.0% p.a.
Rate must be 1%–30%
Please enter an assumed return rate
10 yrs
Duration must be 1–40 years


All values are illustrative projections, not guaranteed returns.
Est. Maturity Value Loading…
0
Est. Wealth Gain
—% est. gain on invested
CAGR (exact)
—% abs. return
Real value (today's ₹): ₹0 · Inflation erodes ₹0
Amount Invested
₹0
Extra vs 7% FD (est.)
Years to Double (at rate)
Abs. Return (%)
Equivalent monthly SIP to reach same maturity:
Invested vs Est. Wealth Gain
Share of total
Amount
Amount Invested ₹0
Est. Wealth Gain ₹0
Est. Maturity Value ₹0
Last updated: June 8, 2026 Applicable: FY 2026–2027 Sources: SEBI · AMFI · RBI · Income Tax India
Fact-checked SEBI & AMFI Illustrative only
Important: All figures are illustrative estimates only, based on the assumed return rate you enter. Mutual fund investments are subject to market risk. Past performance does not guarantee future results. This calculator does not constitute investment advice. Consult a SEBI-registered investment adviser before investing.

What is Lumpsum Investment? Complete Guide for 2026

Quick Summary — Lumpsum Investing in India
  • A lumpsum investment means deploying a single large amount into a mutual fund at one time, as opposed to monthly SIP instalments.
  • The entire corpus starts compounding from Day 1 — giving maximum time for growth, especially beneficial over long horizons.
  • Best suited for investors with a ready corpus: year-end bonuses, FD maturities, inheritance, sale of assets, or ESOP proceeds.
  • Lumpsum carries higher timing risk — investing just before a market crash can take years to recover. STP (Systematic Transfer Plan) mitigates this.
  • LTCG tax on equity mutual fund lumpsum gains above ₹1.25 lakh/year: taxed at 12.5% (Budget 2024, from AY 2027–2028).

A lumpsum investment is the simplest form of mutual fund investing: you invest a single amount today, and the fund grows (or falls) with the market over your chosen horizon. Unlike a SIP where you invest monthly and benefit from rupee cost averaging, a lumpsum investment is a single entry point — which means the price you pay today determines your entire cost basis.

How Lumpsum Compounding Works

The mathematical power of lumpsum investing is that 100% of your capital is working from the first day. In a SIP, only your first instalment gets the full compounding benefit; every subsequent instalment gets progressively less. In a lumpsum, every rupee you invest compounds for the full investment horizon. This is why, in strongly trending bull markets, lumpsum investments historically outperform SIPs over the same period — more capital is deployed earlier, and earlier deployment produces more compounding.

Lumpsum compounding — illustrated

₹5 lakh lumpsum at 12% assumed return:

HorizonInvestedEst. ValueEst. GainGain Multiple
5 years₹5,00,000₹8,81,171₹3,81,1711.76x
10 years₹5,00,000₹15,52,924₹10,52,9243.11x
15 years₹5,00,000₹27,36,781₹22,36,7815.47x
20 years₹5,00,000₹48,23,150₹43,23,1509.65x
25 years₹5,00,000₹85,00,052₹80,00,05217.00x
All figures are illustrative at 12% assumed p.a. return. Actual returns will vary and are not guaranteed.

Lumpsum vs SIP — Key Difference

A lumpsum investor puts everything in at once; a SIP investor averages in over time. In a rising market, lumpsum wins because more capital compounds from Day 1. In a volatile or declining market, SIP wins because averaging lowers the cost per unit over time. For most salaried investors without a large corpus, SIP is the default strategy. Lumpsum is ideal when you have a windfall and a long enough horizon to ride out short-term volatility.

When Lumpsum Works Best

  • You have a ready corpus from bonus, FD maturity, ESOP sale, or inheritance
  • Markets are at a correction (15%+ below recent peak) — you get more units at lower NAVs
  • Investment horizon is 7+ years — short-term volatility is less relevant
  • Debt funds: lumpsum works well for short-term parking (1–3 years)
  • Combined with STP: lumpsum in liquid fund → systematic transfer to equity over 6–12 months

Risks to Understand

  • Investing at a market peak can lead to years of negative returns before recovery
  • No rupee cost averaging — your entire cost basis is fixed at entry NAV
  • Requires higher emotional discipline to hold during sharp drawdowns
  • Not suitable for investors without a large ready corpus
  • LTCG tax applies on gains above ₹1.25L/year at 12.5% from AY 2027–2028

Lumpsum Investment Formula — How the Calculator Works

The lumpsum future value formula uses standard compound interest, with annual compounding converted to monthly for more accurate results:

FV = P × (1 + r)n
Standard compound interest formula — entire principal compounds from Day 1
VariableMeaningExample
FVEstimated future (maturity) valueWhat the calculator outputs
PPrincipal — the lumpsum amount invested today₹5,00,000
rPeriodic rate (monthly = annual rate ÷ 12)12% ÷ 12 = 1% = 0.01
nNumber of compounding periods (months)10 years × 12 = 120

Worked Example: ₹5 Lakh at 12% for 10 Years

Step-by-step calculation (illustrative)

Given: P = ₹5,00,000 | Annual assumed rate = 12% | Duration = 10 years

  1. Monthly r = 12 ÷ 12 ÷ 100 = 0.01
  2. n = 10 × 12 = 120 months
  3. (1 + r)n = (1.01)120 = 3.3004
Est. FV = ₹5,00,000 × 3.3004 = ₹16,50,193 (illustrative)  |  Est. Gain = ₹11,50,193  |  CAGR = 12.68%

This is an illustrative estimate only. Actual mutual fund returns vary and are not guaranteed.

CAGR vs Absolute Return — What the Calculator Shows

Absolute Return is the simple percentage gain on your invested amount: (FV − P) ÷ P × 100. A ₹5L lumpsum growing to ₹16.5L shows an absolute return of 230%. CAGR (Compound Annual Growth Rate) is the annualised return: [(FV ÷ P)1/n − 1] where n is the number of years. The same investment shows a CAGR of 12.68% — because monthly compounding (12 times a year) makes the effective annual rate slightly higher than the nominal 12% input. This calculator shows both metrics for complete clarity.

Why Monthly Compounding? Most mutual fund NAVs are priced daily and effectively compound continuously. Using monthly compounding (instead of annual) gives a closer approximation to real-world fund growth and avoids overstating or understating returns. The difference between annual and monthly compounding at 12% over 10 years is approximately ₹1.03 lakh on a ₹5L investment — meaningful for large amounts or long horizons.

Lumpsum vs SIP — Detailed Comparison

For the same assumed return and time horizon, a lumpsum almost always produces a higher absolute maturity value than a SIP — but this comparison is only meaningful if you have the full corpus available today.

Fair comparison — same total investment, same horizon

Scenario: ₹12 lakh total investment over 10 years at 12% assumed return

StrategyInvestment PatternTotal InvestedEst. MaturityEst. Gain
Lumpsum₹12L on Day 1₹12,00,000₹39,60,460₹27,60,460
SIP₹10,000/month × 120 months₹12,00,000₹23,23,391₹11,23,391
Lumpsum produces an estimated ₹16.37L more — but only if you had ₹12L available on Day 1. Both figures are illustrative estimates.

The lumpsum advantage exists because all ₹12L compounds for 120 months. In the SIP, only the first ₹10,000 compounds for 120 months; the last ₹10,000 compounds for just 1 month.

ParameterLumpsumSIP
Capital requirement Large corpus needed upfront Small fixed amount each month — no large corpus needed
Compounding benefit Maximum — full amount from Day 1 Partial — each instalment compounds from its investment date
Timing risk High — a single bad entry point affects entire corpus Low — averaging spreads risk across multiple market levels
Ideal market condition Market correction or clearly undervalued markets Volatile or overvalued markets — averaging provides cushion
Behavioural discipline Must hold through drawdowns without panic-selling Automated — removes need for active decisions
Tax on redemption Single redemption event — easier tax calculation FIFO applies — each monthly instalment has its own holding period
Best suited for Bonus, FD maturity, inheritance, asset sale proceeds Salaried investors with monthly surplus income

STP — The Smart Way to Deploy a Large Lumpsum

A Systematic Transfer Plan (STP) is the best-of-both-worlds approach for large lumpsum investors. Instead of investing directly into an equity fund in one shot, you park the entire lumpsum in a low-risk liquid or overnight fund, and then set up an automatic transfer of a fixed amount into your target equity fund every month — effectively creating a SIP-like averaging effect while your remaining corpus earns returns in the liquid fund.

STP strategy — ₹12 lakh lumpsum deployment
  1. Day 1: Invest ₹12,00,000 in a liquid/overnight fund (earning ~6.5–7% p.a.)
  2. Every month for 12 months: Automatic transfer of ₹1,00,000 from liquid fund into target equity fund
  3. After 12 months: Full ₹12L is now in equity, averaged across 12 different NAV levels

Benefit: While waiting to transfer, your ₹12L earns ~₹42,000–₹45,000 in the liquid fund. You also avoid the risk of investing all ₹12L at a single market peak. Short-term capital gains on liquid fund transfers are taxable at your income slab rate.

STP is the recommended approach for any lumpsum above ₹3–5 lakh into equity funds
STP Duration: 6–12 Months
For a lumpsum under ₹10L, a 6-month STP is typically sufficient. For larger amounts (₹25L+), extend to 12 months. Going beyond 12 months reduces the compounding advantage of deploying the capital and may not be worth the additional averaging benefit.
Use Liquid or Overnight Fund
Park your STP source corpus in a liquid fund (7-day to 91-day T-bills) or overnight fund (1-day securities). These have near-zero credit risk, are highly liquid, and return 6.5–7% p.a. — better than a savings account while your equity STP is running.
STP Tax Consideration
Each monthly STP transfer out of the liquid fund is a redemption — any gain is a short-term capital gain taxed at your income slab rate. For a 6-month STP on ₹12L earning 7%, the STCG is approximately ₹35,000 — taxed at 20–30% slab = ₹7,000–₹10,500. Factor this into your net return calculation.
When NOT to Use STP
If markets have already corrected significantly (20%+ below peak) and your investment horizon is 10+ years, deploying the lumpsum directly rather than via STP may be better. Historical data shows markets recover strongly after major corrections — averaging into a recovery is less optimal than full deployment at the bottom.
Keep Source & Target in Same AMC
STP is easiest when the source (liquid fund) and target (equity fund) are from the same AMC (Asset Management Company). Cross-AMC STPs are possible via demat account but involve more paperwork and potential processing delays. Most major AMCs (HDFC MF, Mirae, ICICI Prudential, SBI MF) offer STP within their fund family.
SWP for Withdrawals
The reverse of STP is SWP (Systematic Withdrawal Plan) — ideal for retirees or those needing regular income from their lumpsum corpus. Set up a monthly withdrawal from your equity fund, and the remainder continues to compound. SWP withdrawals from equity funds held 1+ year are taxed as LTCG (12.5% above ₹1.25L/year).

Best Mutual Fund Categories for Lumpsum Investment (2026)

The right fund category for a lumpsum depends on your investment horizon and risk tolerance. Shorter horizons demand capital preservation; longer horizons can absorb equity volatility for higher growth:

Liquid / Overnight Fund
Historical Return
6%–7.5% p.a. (illustrative)
Ideal Horizon
1 day – 3 months
Risk
Very low — near-zero NAV volatility
Best for: STP source fund, emergency parking, short-term cash management. Always better than savings account. Gains taxed at income slab rate.
Short / Ultra-Short Debt Fund
Historical Return
6.5%–8% p.a. (illustrative)
Ideal Horizon
3 months – 2 years
Risk
Low — some interest rate sensitivity
Good for short-term goals (vacation, down payment in 1–2 years). No indexation benefit since FY 2023–24; gains taxed at slab rate. Check the fund’s credit quality — avoid funds with high exposure to lower-rated paper.
Hybrid / Balanced Fund
Historical Return
9%–12% p.a. (illustrative)
Ideal Horizon
3–7 years
Risk
Moderate — equity + debt blend
Good entry point for first-time equity lumpsum investors. Automatic rebalancing reduces timing risk. Taxed as equity if 65%+ in equity (LTCG 12.5% above ₹1.25L/year from AY 2027–2028).
Large Cap / Index Fund
Historical Return
11%–14% p.a. (illustrative)
Ideal Horizon
7+ years
Risk
Moderate-to-high — full equity market exposure
Nifty 50 or Sensex index funds are lowest-cost (expense ratio 0.1–0.2%) and most tax-efficient equity option for a lumpsum. No fund manager risk. Suitable for the core equity allocation of any lumpsum portfolio.
Flexi Cap / Multi Cap Fund
Historical Return
12%–16% p.a. (illustrative)
Ideal Horizon
7+ years
Risk
Moderate-to-high — dynamic allocation across market caps
Fund manager dynamically allocates across large, mid, and small cap. Good for investors who want professional equity allocation without choosing a specific market cap segment. Higher expense ratio than index funds.
Mid/Small Cap Fund
Historical Return
14%–22% p.a. (illustrative)
Ideal Horizon
10–15+ years
Risk
Very high — can fall 50–60% in bear markets
Highest return potential but extreme short-term volatility. A lumpsum here requires maximum conviction and a very long horizon. Only suitable as a small satellite allocation (10–20% of total lumpsum), not the core holding.
Past returns are not indicators of future performance. All CAGR figures above are long-term historical averages. Any given year can produce returns significantly above or below these averages. SEBI mandates: “Mutual fund investments are subject to market risks. Please read the scheme information document carefully before investing.”

Tax on Lumpsum Mutual Fund Returns in FY 2026–2027

Lumpsum mutual fund redemptions are taxed based on asset type and holding period. The FY 2026–2027 tax rules (effective from AY 2027–2028 following Budget 2024) are as follows:

Fund TypeHolding PeriodTax RateExemption
Equity (≥65% equity)Under 1 year (STCG)20%None
Equity (≥65% equity)1 year or more (LTCG)12.5%₹1.25L/year exempt
Debt (<65% equity)Any durationIncome slab rateNone (no indexation)
Hybrid (≥65% equity)1 year or more (LTCG)12.5%₹1.25L/year exempt
International / FoFAny durationIncome slab rateNone
Lumpsum tax calculation — FY 2026–2027

Scenario: ₹5L lumpsum invested in large cap equity fund, redeemed after 3 years at ₹8.5L (₹3.5L gain)

  • Holding period: 3 years → qualifies as LTCG
  • LTCG exemption: ₹1,25,000
  • Taxable LTCG = ₹3,50,000 − ₹1,25,000 = ₹2,25,000
  • LTCG tax at 12.5% = ₹28,125
Post-tax gain = ₹3,21,875  |  Post-tax maturity = ₹8,21,875  |  Effective post-tax CAGR ≈ 17.9%

ELSS Lumpsum — Section 80C Tax Saving

ELSS (Equity Linked Savings Scheme) lumpsum investments qualify for Section 80C deduction up to ₹1.5 lakh per year in the old tax regime. ELSS has a mandatory 3-year lock-in from the investment date. On redemption, LTCG tax at 12.5% applies on gains above ₹1.25L/year. Section 80C is not available under the new default tax regime from AY 2027–2028. For taxpayers in the 30% slab under the old regime, the combined benefit of 30% tax saving on investment + LTCG at 12.5% on redemption makes ELSS one of the most tax-efficient lumpsum investment options.

LTCG Harvesting Strategy: The ₹1.25L/year LTCG exemption on equity funds resets every financial year. If your equity fund lumpsum has grown significantly, you can redeem and immediately reinvest (book up to ₹1.25L in gains each year tax-free) to step up your cost basis. This “tax harvesting” strategy is completely legal and can save significant LTCG tax on large corpora over time. Consult a tax adviser before executing.

6 Smart Strategies for Lumpsum Investors

1. Always Use STP for Equity
For any lumpsum above ₹3 lakh going into equity funds, use STP from a liquid fund over 6–12 months rather than direct lumpsum. This mitigates timing risk while keeping your money working in the liquid fund during the deployment period.
2. Deploy More During Corrections
When markets fall 20%+ from their recent peak, increase your STP transfer rate or invest an additional lumpsum directly. Historical data shows Indian equity markets (Nifty 50) have always recovered from major corrections within 3–5 years. Market fear is the lumpsum investor’s best friend.
3. Harvest LTCG Annually
Redeem and reinvest up to ₹1.25L in LTCG gains each financial year (tax-free) to step up your cost basis. This reduces future tax liability without disrupting your long-term investment. Best done in February–March before the financial year ends. Consult a tax adviser for execution.
4. Build a Core-Satellite Portfolio
Core (70%): low-cost Nifty 50 index fund or flexi cap fund for stable long-term growth. Satellite (30%): mid/small cap fund or sector fund for higher return potential. This structure limits downside while participating in upside. Rebalance annually to maintain the target allocation.
5. Match Horizon to Fund Category
Under 2 years: liquid or short-duration debt funds only. 3–5 years: hybrid or balanced advantage funds. 5–7 years: large cap or flexi cap equity. 7+ years: add mid cap satellite. Never put money you need in under 5 years into a pure equity fund — market timing risk is simply too high at shorter horizons.
6. Never Invest Emergency Fund
Your lumpsum investment should be money you genuinely do not need for the chosen horizon. Always maintain 6 months of expenses in a separate liquid fund or savings account before making any equity lumpsum. Redeeming equity investments in a market crash to meet emergencies locks in losses at the worst time.
Key Takeaways
  • A lumpsum produces the highest estimated returns for the same investment amount — but only when deployed correctly with a long enough horizon.
  • Use STP to mitigate timing risk for any large equity lumpsum. Direct lumpsum is fine for debt funds or during major market corrections.
  • Harvest ₹1.25L of LTCG annually to reduce future tax liability — completely legal and highly effective for large corpora.
  • Under the new default tax regime from AY 2027–2028, ELSS Section 80C benefit is not available. LTCG at 12.5% applies to all equity redemptions above ₹1.25L/year.

How to Use This Lumpsum Calculator

This calculator models the growth of a one-time lumpsum investment with optional inflation adjustment and scenario comparison. Here is how to use every feature:

Basic Lumpsum Calculation
  • 1Enter your lumpsum investment amount. Quick-preset buttons let you switch between common amounts instantly.
  • 2Set the assumed annual return. Use the fund category presets (Debt, Balanced, Large Cap, Mid/Small Cap) as starting references — remember these are historical averages, not guaranteed returns.
  • 3Set the investment horizon (1–40 years). Results update instantly: estimated maturity value, absolute gain, CAGR, and years to double.
Inflation Adjustment
  • 1Enable inflation adjustment and enter your assumed inflation rate (India CPI has averaged 5–6% historically).
  • 2The results show both the nominal maturity value and the real value (in today’s purchasing power). The difference is the inflation erosion of your future wealth.
  • 3This is critical for retirement and long-term goals. ₹1 crore in 20 years at 6% inflation has the purchasing power of only ₹31 lakh today — always plan with inflation in mind.
Scenario Comparison
  • 1Expand Scenario Comparison. Scenario A pre-fills with your current inputs automatically.
  • 2Enter alternative values in Scenario B — compare a higher lumpsum amount, different assumed return, or longer horizon.
  • 3Click Compare to see estimated maturity value difference, CAGR for both, and the gain gap side by side. All figures are illustrative estimates.
Goal Planner
  • 1Expand Goal Planner. Enter your target corpus (e.g., ₹1 crore for retirement) and assumed return rate.
  • 2"Find lumpsum needed" mode: enter your investment horizon and find the estimated lumpsum to invest today to reach your goal.
  • 3"Find years needed" mode: enter your current lumpsum amount and find how long it takes to reach the target at the assumed rate.
Growth Schedule
Expand the Growth Schedule section. The Chart view shows how your lumpsum grows year by year — the gap between the invested line and the portfolio line is your estimated wealth gain. The Yearly Table shows exact invested amount, estimated gains, and estimated portfolio value for each year. The Monthly Table gives a month-by-month breakdown for detailed analysis. All values are illustrative estimates.
Mobile Tips
All inputs and results stack vertically on mobile with touch-optimised sliders. The donut chart is tap-to-reveal on mobile. Quick-preset buttons for lumpsum amount, return rate, and duration make it easy to run scenarios without typing. The growth schedule tables scroll horizontally on narrow screens. All features are fully functional on mobile.

Frequently Asked Questions — Lumpsum Calculator

For the same total investment amount, a lumpsum produces a higher estimated maturity value than a SIP — because 100% of the capital compounds from Day 1, whereas SIP amounts invested later compound for progressively shorter periods. However, this advantage assumes you have the full corpus available now and that markets move upward after your investment. In volatile or declining markets, SIP’s rupee cost averaging can match or outperform lumpsum. In practice: salaried investors without a large corpus should default to SIP. Investors who receive a windfall (bonus, inheritance, FD maturity) should consider lumpsum via STP into equity. For debt funds and short horizons, direct lumpsum is usually optimal.

Most mutual fund schemes accept a minimum lumpsum investment of ₹1,000 to ₹5,000, depending on the AMC and fund. Index funds from major AMCs (Nifty 50, Sensex) typically accept ₹100–₹1,000 minimum for lumpsum. ELSS funds typically have a ₹500–₹1,000 minimum. There is no upper limit. For amounts under ₹50,000, the difference between SIP and lumpsum over a long horizon is relatively small in rupee terms — consistency matters more than method at small amounts. For larger amounts (₹1L+), the choice of lumpsum vs SIP strategy becomes more significant.

Use a rate that reflects your fund category and your planning conservatism. As directional references: liquid/overnight funds 6–7%; short-duration debt 6.5–8%; balanced/hybrid 9–12%; large cap equity 11–14%; mid/small cap 14–20% — all based on long-term historical averages, not guaranteed returns. SEBI advises against assuming specific return rates. For financial planning purposes, use a rate lower than your most optimistic estimate. This calculator defaults to 10% for equity (vs the Nifty 50’s long-term average of ~12–13%) as a conservative planning base. Always stress-test your plan: what if actual returns are 6% instead of 12%? Can you still meet your goal?

For equity mutual fund lumpsum in FY 2026–2027: if held under 1 year, STCG is taxed at 20%. If held 1 year or more, LTCG is taxed at 12.5% on gains above ₹1.25 lakh per financial year (Budget 2024 increase from ₹1L). For debt funds: all gains taxed at your income slab rate regardless of holding period (indexation benefit removed from FY 2023–24). For hybrid funds with 65%+ equity, equity tax rules apply. For international and FoF (Fund of Funds): slab rate regardless of holding. ELSS lumpsum: 3-year mandatory lock-in; LTCG at 12.5% above ₹1.25L on redemption; Section 80C deduction only in old tax regime (not new default regime from AY 2027–2028).

An STP (Systematic Transfer Plan) lets you park a lumpsum in a liquid fund and automatically transfer a fixed amount each month into an equity fund — creating SIP-like averaging from a lumpsum. Use STP when: (a) you have a large corpus (₹3L+) to invest in equity; (b) markets are at or near recent highs; or (c) you are uncertain about near-term market direction. STP duration: 6 months for amounts under ₹10L; 12 months for larger amounts. The liquid fund earns ~6.5–7% while waiting, partially offsetting the opportunity cost of not being fully invested in equity. STCG tax applies on liquid fund gains during the STP period — factor this into your return calculation.

Yes, absolutely. A lumpsum in an equity mutual fund can lose significant value in the short term. Investors who put a lumpsum in equity funds in January 2008 (just before the global financial crisis) saw their corpus fall 55–60% by March 2009. Those who held through the recovery reached break-even by 2010–2011 and were significantly positive by 2014. The key risk with lumpsum vs SIP: you have no ability to average down — your entire cost basis is fixed. This is why a long enough horizon (7+ years for equity) and emotional discipline to hold through drawdowns are non-negotiable for equity lumpsum investing. For goals within 3 years, use debt funds or liquid funds where capital protection is more important than returns.

LTCG tax harvesting means redeeming equity fund units that have been held for 1+ year to book up to ₹1.25 lakh in long-term capital gains (which are exempt from LTCG tax), and then immediately reinvesting the redeemed amount. This steps up your cost basis without disrupting your investment. Example: you bought ₹5L of an index fund in 2020, now worth ₹12L in 2026. Gain = ₹7L. If you redeem enough units to realise ₹1.25L in gains (tax-free), and reinvest, your new cost basis is ₹6.25L. Over years, repeated harvesting reduces the future LTCG tax liability substantially. This is completely legal. Best executed in January–February before the financial year ends. Exit loads (typically nil after 1 year for most equity funds) and STT (Securities Transaction Tax at 0.001%) apply on redemption.

The mathematics of this calculator are accurate for the assumed rate you input: it uses the standard compound interest formula with monthly compounding, which is consistent with how most AMFI-compliant lumpsum calculators work. However, the output is an illustrative estimate, not a financial forecast. Real mutual fund returns are volatile and non-linear — a fund may return 35% one year and −20% the next, even if its 10-year CAGR is 12%. The calculator does not account for expense ratios (0.1–2% per year depending on fund), exit loads (1% if redeemed within 1 year for most equity funds), STT on redemption, or dividend distributions. These factors reduce actual returns by 0.5–2% relative to the assumed rate depending on the fund. Always use this as a directional planning tool.

It depends on your horizon and risk tolerance. FD returns (currently 6.5–7.5% p.a.) are guaranteed but taxed at your income slab rate — for a 30% slab taxpayer, a 7% FD earns an effective post-tax return of ~4.9%. Equity mutual fund lumpsum at an assumed 12% CAGR over 10+ years historically delivers significantly higher post-tax returns (LTCG at 12.5% above ₹1.25L). However, equity carries market risk. A practical approach: if the FD maturity amount is your emergency fund or will be needed in under 5 years, renew the FD or put it in a short-duration debt fund. If it is long-term wealth that you will not need for 7+ years, deploying via STP into a large cap index fund has historically been more rewarding than renewing an FD. Always consider your total financial picture before making this decision.

NAV (Net Asset Value) and unit price are effectively the same thing in an open-ended mutual fund. The NAV is calculated at the end of each trading day as: (Total assets of the fund − Liabilities) ÷ Number of units outstanding. When you invest a lumpsum, you get units = investment amount ÷ applicable NAV. A higher NAV does not mean the fund is expensive or a lower NAV is cheap — unlike stocks, NAV does not indicate valuation. A fund with NAV ₹500 and a fund with NAV ₹50 can be equally good investments; what matters is the fund’s underlying portfolio quality, expense ratio, and historical performance. When comparing funds, always look at CAGR over 5–10 years and rolling returns, not NAV levels.

Plan your complete financial picture with these free tools:

Disclaimer (FY 2026–2027 / AY 2027–2028): All figures generated by this lumpsum calculator are illustrative estimates only based on the assumed annual return rate entered by the user. Mutual fund investments are subject to market risk. Past performance does not guarantee future returns. The calculator does not account for expense ratios, exit loads, STT (Securities Transaction Tax), dividend distributions, or inflation erosion in nominal return calculations, all of which affect actual outcomes. LTCG on equity mutual funds: gains above ₹1,25,000 per financial year taxed at 12.5% (Budget 2024, effective AY 2027–2028). STCG: 20% for equity. Debt fund gains: income slab rate. ELSS Section 80C benefit available only under old tax regime. This calculator is for educational and planning purposes only and does not constitute investment, financial, or tax advice. Please read the Scheme Information Document (SID) and Key Information Memorandum (KIM) before investing. Consult a SEBI-registered investment adviser (RIA) before making investment decisions. ClariMoney is not a SEBI-registered entity and does not provide investment advice. Sources: SEBI (sebi.gov.in) · AMFI (amfiindia.com) · RBI (rbi.org.in) · Income Tax India (incometaxindia.gov.in).