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Lumpsum Calculator

Calculate maturity returns on your one-time lumpsum investment. Track compound wealth expansion, wealth gain ratios, and inflation-adjusted purchasing power.

✓ 100% Free 👤 No Registration ⚡ Instant Results 🛡️ Compound Accuracy
Lumpsum Compounding Growth

Investment Parameters

₹
₹5,000 ₹10,00,000
% p.a.
1% 30%
Years
1 Year 35 Years
% p.a.
0% 12%

Maturity Returns Summary

Estimated Maturity Value
₹1,76,234
After 5 years at 12% p.a. compounding
🛍️ Real Purchasing Power: Adjusted for 6% inflation, equivalent to ₹1,31,692 in today's money.
Total Invested
₹1,00,000
Total Gain
₹76,234
Multiplier
1.76x Capital
Total ROI
76.2%
Corpus Composition Principal vs Capital Gains
Initial (56.7%) Wealth Gain (43.3%)
Rule of 72: At 12% annual return, your money doubles in approximately 6 years (72 ÷ 12 = 6), and quadruples in 12 years.

Year-by-Year Compounding Ledger

Inspect annual compounding, wealth accumulation, and inflation-discounted purchasing power.

Annual progression of lumpsum investment showing opening balance, annual gain, closing balance, cumulative wealth gain, and inflation-adjusted value.
Year Opening Balance Annual Gain Closing Balance Initial Capital Total Gain Inflation Value

Calculated with annual compounding formula A = P(1+r)ᵗ. Figures rounded to nearest rupee.

Key Insights

  • Time in Market Beats Market Timing
  • Corpus Multiplier 100% Compounding Day 1
  • Volatility Absorption 5+ Year Horizon Best
  • STP Option Liquid Fund → Equity

Taxation Rules (FY 2025–26)

  • Equity LTCG (>12M) 12.5% above ₹1.25L
  • Equity STCG (≤12M) 20% Flat Rate
  • Debt Funds Taxed at Slab Rate
  • TDS on Redemption Zero (Resident Indians)

Frequently Asked Questions

What is a Lumpsum investment?
A lumpsum investment is a single one-off deposit of money into a financial instrument like a mutual fund scheme, fixed deposit, or equity shares, rather than staggered regular monthly payments.
Can I lose money in a mutual fund lumpsum investment?
Mutual funds are subject to market fluctuations. Over short periods (under 3 years), equity fund values can fall below your invested capital. However, historically across Indian equities, 7+ year holding periods have demonstrated near-zero negative return probability.
How does inflation impact my maturity value?
Inflation reduces the goods and services a given amount of money can buy. A return of 12% during a 6% inflation environment gives you a real rate of return of roughly 5.66% per year.
How are capital gains taxed on mutual funds in India?
As per Budget 2024 amendments, equity mutual funds held for over 12 months are subject to Long-Term Capital Gains (LTCG) tax of 12.5% on gains exceeding ₹1.25 Lakh per financial year. Units redeemed within 12 months are taxed as Short-Term Capital Gains (STCG) at 20%.