Lumpsum Calculator

Calculate lumpsum investment returns with growth table

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Lumpsum Calculator is a free, browser-based tool that lets you calculate lumpsum investment returns with growth table — with zero signup, zero installation. Your data never leaves your browser. Part of 138+ free developer and business tools at wowhow.cloud, built and maintained by a team with 14+ years of hands-on development experience.

TOOLLumpsum Calculator

Investment Details

Investment AmountRs 5,00,000

Rs 10,000Rs 1,00,00,000

Expected Return Rate (p.a.)12%

1%30%

Time Period10 yrs

1 yrs30 yrs

Invested Amount

Rs 5,00,000

Est. Returns

Rs 10,52,924

Total Value

Rs 15,52,924

Invested (32%) Returns (68%)

Growth Visualisation

5.60 L

6.27 L

7.02 L

7.87 L

8.81 L

9.87 L

11.05 L

12.38 L

13.87 L

Y10

15.53 L

Invested Returns

Year-wise Breakdown

Year	Opening Balance	Interest Earned	Closing Balance
1	Rs 5,00,000	Rs 60,000	Rs 5,60,000
2	Rs 5,60,000	Rs 67,200	Rs 6,27,200
3	Rs 6,27,200	Rs 75,264	Rs 7,02,464
4	Rs 7,02,464	Rs 84,296	Rs 7,86,760
5	Rs 7,86,760	Rs 94,411	Rs 8,81,171
6	Rs 8,81,171	Rs 1,05,741	Rs 9,86,911
7	Rs 9,86,911	Rs 1,18,429	Rs 11,05,341
8	Rs 11,05,341	Rs 1,32,641	Rs 12,37,982
9	Rs 12,37,982	Rs 1,48,558	Rs 13,86,539
10	Rs 13,86,539	Rs 1,66,385	Rs 15,52,924

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About Lumpsum Calculator

A lumpsum investment in an equity mutual fund compounds the entire capital from day one — making it more powerful than SIP when markets trend upward. The compound annual growth rate (CAGR) formula governs how the investment grows: A = P × (1 + r)^t. Understanding this visually — with year-by-year portfolio value and comparison against equivalent SIP investment — helps investors make better allocation decisions and set realistic wealth targets.

How It Works

The lumpsum return uses the compound interest formula: A = P × (1 + r)^t, where P is the one-time investment, r is the expected annual return rate, and t is the investment period in years. The year-by-year table computes the portfolio value at each year-end: Year 1 value = P × (1 + r), Year 2 value = Year 1 value × (1 + r), and so on.

For the SIP comparison, the same total amount invested as a monthly SIP is computed using the annuity formula: M × [{(1 + r/12)^(n) − 1} / (r/12)] × (1 + r/12), where M is the monthly SIP amount (total lumpsum / months). The two growth curves are charted together to show the difference at each year.

The Rule of 72 is also displayed: divide 72 by the return rate to see the approximate years to double the investment. At 12%, your money doubles in 6 years; at 8%, in 9 years.

Who Is This For

An investor who just received a Rs 10 lakh bonus and wants to invest it as a lumpsum, projecting how much it will grow to in 10 years at 12%.

A first-time investor comparing whether putting Rs 3 lakh as a lumpsum beats a Rs 5,000/month SIP for 5 years at the same return rate.

A homeowner planning to reinvest Rs 50 lakh from a property sale into equity mutual funds and seeing the 15-year growth projection.

A financial advisor showing a client the power of starting a lumpsum early by comparing Year 10 and Year 20 valuations.

Scope note: Returns assume a constant annual rate throughout the investment period. Actual mutual fund returns fluctuate annually and may be significantly different — both higher and lower. Taxes on capital gains (LTCG at 12.5% for equity above Rs 1.25 lakh, STCG at 20%) are not factored into the projected maturity amount. This calculator is for planning purposes only — past market performance does not guarantee future returns.

Disclaimer: This calculator is for informational and educational purposes only and does not constitute financial, tax, or legal advice. Results are estimates based on publicly available tax slabs and formulas. Consult a qualified Chartered Accountant, tax professional, or financial advisor for guidance specific to your situation. Built and maintained by the WOWHOW Team with 14+ years of software development experience.

How to Use

Enter your one-time investment amount using the slider or type a value

Set the expected annual return rate (use presets for quick selection)

Choose the investment time period in years

View year-wise growth table, lumpsum vs SIP comparison, and investment insights

Frequently Asked Questions

Lumpsum uses the compound interest formula: A = P(1 + r)^t, where P is the invested amount, r is the annual return rate, and t is the number of years.

Lumpsum generally outperforms SIP in rising markets since the full capital compounds from day one. Historically, lumpsum beats SIP about 65-70% of the time over 10+ year horizons. SIP is better for averaging cost in volatile markets.

Divide 72 by your annual return rate to estimate how many years it takes to double your investment. At 12% returns, your money doubles in approximately 6 years.

No. Mutual fund and equity returns are market-linked and not guaranteed. This calculator uses assumed constant returns for projection purposes. Actual returns will vary.

For conservative projections, use 8-10% (balanced/debt-heavy allocation). For moderate risk (diversified equity funds), 10-12% is a reasonable historical estimate based on Indian market data. For aggressive equity (Nifty 50 index funds), 12-14% reflects the 20-year Nifty 50 CAGR. Avoid assuming returns above 15% for long-term projections.

Lumpsum underperforms SIP when invested at a market peak followed by a prolonged bear market. If the market drops 30% after your lumpsum investment and recovers over 3 years, SIP benefits from buying more units at lower prices during the downturn. The calculator shows both side-by-side so you can see the return gap at different tenure points.

For equity mutual funds held over 1 year, LTCG above Rs 1.25 lakh is taxed at 12.5%. For holdings under 1 year, STCG is taxed at 20%. For debt funds (all maturities post April 2023), gains are taxed at your income tax slab rate. These taxes are not factored into the calculator — deduct them from the displayed maturity amount based on your expected tax rate.