How is lumpsum mutual fund maturity calculated in India?

A one-time lumpsum investment compounds annually as A = P * (1 + r)^t, where P is the invested amount, r is the expected annual return in decimal, and t is the number of years.

Which is better in India, lumpsum or SIP?

Neither is universally better. A lumpsum benefits fully from compounding when markets rise steadily, while a SIP averages purchase cost across market levels. Salaried investors often prefer SIP; a bonus or property-sale proceed is usually deployed as lumpsum, sometimes staggered via STP.

Lumpsum Calculator India — One-Time Mutual Fund Investment Growth

One-Time Investment (P)

₹

Expected Return (p.a.)

Investment Horizon (Years)

Yrs

Expected Future Value (A)

₹15.53 L

₹15,52,924 • Wealth Multiple: 3.11x

Invested (One-Time)

₹5.00 L

₹5,00,000

Wealth Gained

₹10.53 L

₹10,52,924

CAGR

12.00%

Annualised growth rate

Principal vs Growth Split

Compounding Growth Curve

📌 The Power of Staying Invested

Year-Wise Lumpsum Compounding Schedule

Year	Opening Value	Growth in Year	Cumulative Growth	Closing Value

The Lumpsum Compounding Formula (With Worked Example)

A one-time investment grows by the same percentage every year, and each year's growth itself starts earning in the next year:

A = P × (1 + r)^t

Worked Example

Invest P = ₹5,00,000 at r = 12% p.a. for t = 10 years:

1. (1.12)¹⁰ = 3.105848
2. A = 5,00,000 × 3.105848 = ₹15,52,924
3. Wealth gained = ₹10,52,924 (3.11x multiple)

Practical Lumpsum Strategies for Indian Investors

Nervous about timing? Park the lumpsum in a liquid fund and shift it into equity via a 6-12 month Systematic Transfer Plan (STP) to average your entry price.
Don't break compounding: A ₹5 Lakh lumpsum left untouched for 20 years at 12% becomes ₹48.2 Lakh. Every early withdrawal costs the final years where growth is steepest.
Remember LTCG: Equity gains above ₹1.25 Lakh in a financial year attract 12.5% long-term capital gains tax after 12 months of holding (FY 2025-26 rules).

Lumpsum Frequently Asked Questions

A lumpsum earns on the full amount from day one, so it wins in steadily rising markets. A SIP reduces timing risk by spreading purchases. If you already hold a large sum and have a 7+ year horizon, history favours deploying it; if markets feel expensive, an STP from a liquid fund is the middle path.

CAGR (Compound Annual Growth Rate) is the single smoothed annual rate that takes your investment from its start value to its end value. It matters because raw point-to-point returns hide the effect of time: doubling in 3 years is a 26% CAGR, doubling in 6 years is only 12.2%.

Lumpsum Investment Calculator