Got a bonus, inheritance, or a large amount to invest? Calculate exactly how much your one-time lumpsum investment will grow over time at any rate of return. Instant calculation, completely free.
Designed to help Indian investors make smarter one-time investment decisions.
Compound Growth Simulation
See how a single investment multiplies through the power of compounding over 1 to 30 years at any rate.
Compare with SIP
Understand whether a lumpsum or monthly SIP produces better results for your specific timeline and amount.
Goal-Based Planning
Work backwards — enter your target corpus and find what lumpsum you need to invest today to reach your financial goal.
How to Use the Lumpsum Calculator
Three inputs. Instant compound growth results.
1
Enter Lumpsum Amount
Input the total amount you wish to invest in one go — from ₹10,000 to several crores.
2
Set Expected Return Rate
Choose the annual return rate — typically 10-15% for equity mutual funds, 6-8% for debt funds, or 7.1% for PPF.
3
Select Investment Period
How many years will the money stay invested? The longer the horizon, the more compounding works in your favour.
The Lumpsum Return Formula
The compound interest formula that powers every lumpsum calculation.
Lumpsum Return Formula
A = P × (1 + r)ⁿ
Where A = final corpus (maturity amount), P = principal (lumpsum invested), r = annual interest/return rate, n = number of years. This is the standard compound interest formula for one-time investments.
Frequently Asked Questions
Common questions about lumpsum investing and how the calculator works.
A lumpsum investment is a one-time, single large payment made into a financial instrument — mutual fund, stocks, FD, or bonds. Unlike SIP which invests small amounts monthly, a lumpsum puts your entire available capital to work immediately. Lumpsum investments work best when you have a large sum available (bonus, inheritance, property sale proceeds) and have a long investment horizon. They carry more timing risk than SIPs since market conditions at the time of investment significantly impact returns.
Both have their place. SIP wins on: rupee cost averaging, disciplined investing from salary, less timing risk. Lumpsum wins when: markets are at a correction, you have idle cash, you have a short, specific investment horizon. For most Indian retail investors with monthly salary, SIP is recommended. If you receive a bonus or windfall, a lumpsum into a diversified equity fund during a market correction historically delivers strong returns.
For a conservative estimate, use 10-12% for large-cap equity funds. Mid-cap funds: 12-15% (higher volatility). Small-cap funds: 14-18% (highest volatility). Nifty 50 has delivered roughly 12-13% CAGR over the last 20 years. For debt funds, use 6-8%. For hybrid/balanced funds, use 9-11%. These are historical averages — future returns may differ. Always invest based on your actual risk tolerance.
At different return rates, ₹1 lakh grows to: at 7% (conservative) = ₹1.97 lakh; at 10% (moderate) = ₹2.59 lakh; at 12% (equity) = ₹3.11 lakh; at 15% (aggressive) = ₹4.05 lakh. In 20 years, ₹1 lakh at 12% becomes approximately ₹9.65 lakh — demonstrating the exponential power of long-term compounding.
Lumpsum timing tips: after market corrections of 15%+ from peak; when valuations (P/E ratio) are below long-term averages; when you have idle funds earning low returns. Avoid lumpsum when markets are near all-time highs with elevated P/E ratios. A hybrid approach — investing 50% lumpsum and 50% via STP (Systematic Transfer Plan) over 6-12 months — reduces timing risk while deploying large sums.
Yes. For equity mutual funds: gains on investments held over 12 months are Long Term Capital Gains (LTCG) taxed at 10% above ₹1 lakh annually (without indexation). Gains on investments held under 12 months are Short Term Capital Gains (STCG) taxed at 15%. For debt mutual funds: all gains are taxed as per your income tax slab (as per the 2023 Finance Act amendments which removed indexation benefit for debt funds).
Calculate Your Lumpsum Returns Now
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