Lumpsum Investment Calculator — One-Time Investment Returns
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See how your one-time investment grows with the power of compounding. ✓ Updated June 2026
Formula: Lumpsum Investment
- P = Principal (one-time investment amount)
- r = Annual rate of return (e.g., 0.12 for 12%)
- n = Number of years invested
Example: ₹1,00,000 at 12% for 10 years = ₹1,00,000 × (1.12)10 = ₹3,10,585
What is a Lumpsum Investment?
A lumpsum investment is a one-time, single payment made to a financial instrument such as a mutual fund, fixed deposit, or stock. Unlike a SIP (Systematic Investment Plan) where you invest a fixed amount every month, a lumpsum investment deploys all your capital at once. The key advantage is that the entire amount starts compounding immediately — the longer you hold, the more powerful the effect. Lumpsum investments are ideal when you have a large amount available (e.g., from a bonus, inheritance, or asset sale) and markets are at a relatively low valuation.
How Much Will ₹1 Lakh Grow? (At 12% Return)
Pre-calculated growth of common investment amounts at 12% annual return (equity mutual fund average):
| Investment | 5 Years | 10 Years | 20 Years |
|---|---|---|---|
| ₹50,000 | ₹88,117 | ₹1,55,292 | ₹4,82,315 |
| ₹1 Lakh | ₹1,76,234 | ₹3,10,585 | ₹9,64,629 |
| ₹2 Lakh | ₹3,52,468 | ₹6,21,170 | ₹19,29,258 |
| ₹5 Lakh | ₹8,81,171 | ₹15,52,924 | ₹48,23,146 |
| ₹10 Lakh | ₹17,62,342 | ₹31,05,848 | ₹96,46,293 |
| ₹25 Lakh | ₹44,08,855 | ₹77,64,619 | ₹2,41,15,731 |
*At 12% p.a. compounded annually. Actual mutual fund returns vary. Past performance is not indicative of future returns.
Lumpsum vs SIP: Which is Better?
Both strategies have their merit:
- Lumpsum is better when markets are low — you buy more units at lower prices, maximising future appreciation.
- SIP reduces timing risk through rupee cost averaging — suitable for salaried individuals investing monthly income.
- Lumpsum + STP combination — invest lumpsum in a liquid fund and use Systematic Transfer Plan (STP) to move it to equity funds monthly, getting the best of both.
- Best approach: Use SIP for regular income and lumpsum for bonuses, tax refunds, or inherited money.
Tax on Lumpsum Mutual Fund Returns
| Fund Type | Holding Period | Tax Rate | Exemption |
|---|---|---|---|
| Equity Funds | < 1 year (STCG) | 20% | None |
| Equity Funds | > 1 year (LTCG) | 12.5% | ₹1.25 lakh/yr |
| Debt Funds | Any period | As per tax slab | None |
| ELSS | > 3 years (locked) | 12.5% | ₹1.25 lakh/yr + 80C |
*Tax rates as per Finance Act 2024. Consult a tax advisor for your specific situation.
एकमुश्त निवेश कैलकुलेटर
एकमुश्त निवेश कैलकुलेटर से आप जान सकते हैं कि आपकी एक बार की निवेश राशि कितने सालों में कितनी बन जाएगी। उदाहरण: ₹1 लाख को 12% वार्षिक रिटर्न पर 10 साल के लिए निवेश करने पर आपको ₹3.10 लाख मिलेंगे।
एकमुश्त बनाम SIP: एकमुश्त तब बेहतर है जब बाज़ार नीचे हो। SIP तब बेहतर है जब आप हर महीने छोटी रकम निवेश करना चाहते हों। सबसे अच्छी रणनीति: नियमित आय के लिए SIP और बोनस या एकमुश्त पैसे के लिए लमसम निवेश।
Lumpsum Investments & Compounding Growth
A lumpsum investment is a one-time deposit made into mutual funds or other investment vehicles. It is ideal for investing windfalls such as annual bonuses, property sale proceeds, or inheritance. Unlike SIPs, where contributions are made monthly, a lumpsum investment starts compounding on the entire principal from day one.
Step-by-Step Example Calculation
Let's calculate the future value of a one-time investment of ₹1 Lakh at an expected return rate of 12% p.a. for 15 years:
- Principal (PV): ₹1,00,000
- Annual Return Rate (r): 12% p.a. (0.12)
- Years (n): 15
- Formula: FV = PV x (1 + r)^n
- Result: Future Value is approximately ₹5,47,357
Your capital grows to over ₹5.47 Lakhs, earning estimated gains of ₹4,47,357.