A lumpsum investment in mutual funds lets your entire capital compound from day one. These scenarios compare equity mutual fund returns at 12% against equivalent FD investments, showing the power of long-term equity compounding.

Each scenario uses the simple compound-growth formula FV = P × (1 + r)t with P as the lumpsum, r = 12% (the long-term average for diversified Indian equity mutual funds), and t in years. Lumpsum mathematics rewards two things: a low entry price and time in the market. ₹10 lakh held for 20 years at 12% becomes ~₹96 lakh - almost 3× the corpus from holding the same amount for 10 years.

How to use these scenarios: match the lumpsum amount to what you have available, then compare the 5-, 10-, 15-, and 20-year tenures to see how dramatically the same money grows with patience. Equity-fund returns are volatile in any single year - the FAQ below explains how the 12% assumption holds across long horizons but not short ones.

Browse All Scenarios

Frequently Asked Questions

Lumpsum or SIP - which is better for mutual funds?

Lumpsum maximises returns when you can time a market low, but most retail investors can't. SIP averages your purchase cost across market cycles and removes timing risk. If you've received a windfall (bonus, sale proceeds, gratuity), a hybrid approach works best: invest 30–40% as lumpsum, then deploy the rest via STP (Systematic Transfer Plan) over 6–12 months.

What 12% return assumption is used?

The 12% figure represents the long-term average of diversified equity mutual funds in India, measured over rolling 15-year periods. Individual years can swing widely - equity markets have returned −20% in 2008 and +35% in 2009, but the multi-decade trend has stayed near 12%. Returns over 5 years can be wildly different from this average; over 15+ years, the average dominates.

How are mutual fund returns taxed?

Equity mutual funds: gains held over 12 months are LTCG, taxed at 12.5% above ₹1.25 lakh per FY (FY 2024–25 rules). Held under 12 months: STCG at 20%. Debt mutual funds bought after April 2023: all gains taxed at slab rate, irrespective of holding period. The maturity figures shown are pre-tax - the FAQ on the SIP scenarios page covers post-tax planning in detail.

Should I invest a lumpsum at current market levels?

If your horizon is 10+ years, market levels matter much less than your time in the market. Even investors who lumpsumed at the 2008 peak (just before the 50% Lehman-era crash) had positive 15-year returns. For 5–7 year horizons, valuation matters more - STP into equity funds over 12 months reduces sequence-of-returns risk during high market levels.

Want to Calculate with Your Own Numbers?

Every scenario uses standard assumptions. Use the calculator to input your exact figures.

Use Mutual Fund Calculator