LUMPSUM CALCULATOR

Lumpsum Investment Calculator

Calculate how a one-time lumpsum investment grows over time. See compound growth year by year. Free lumpsum returns calculator for Indian investors.

Get an instant result with the exact inputs that matter for this metric.
Compare scenarios quickly (best case vs worst case) before taking action.
Understand what the output means and how traders/investors use it in practice.
Use it for planning and education — no login required.

Lumpsum Investment Details

Investment Amount (₹)

Expected Return (% p.a.)

Investment Period (Years)

DETAILS

About this Lumpsum Calculator

This section explains what the calculator does, what goes into the result, and how to interpret the output so you can apply it confidently.

What this tool does

Purpose

This calculator turns a few key inputs into a clear output you can act on — a number that traders and investors commonly use for planning and decision-making.

Use it to compare scenarios quickly and to understand the trade-offs behind the final result.

When it is helpful

To sanity-check assumptions before committing money.
To compare two or more scenarios side-by-side (conservative vs aggressive).
To convert a “feel” into a number you can plan around.
To learn what the metric means and how it is used in practice.

How to read the result

Interpretation

Treat the output as a planning number. Small changes in inputs (time, rate, price, quantity, risk, or cashflows) can change the outcome meaningfully — so keep assumptions realistic.

If the tool returns multiple outputs, focus on the ones that drive decisions (e.g., net result, breakeven, or risk-adjusted value), not just the biggest number.

Common mistakes to avoid

Using overly optimistic return assumptions.
Ignoring fees/taxes where they matter.
Optimizing precision instead of making a better decision.
Treating the result as a prediction instead of a plan.

Example calculations and results

Example 1 (₹1 lakh for 10 years)

Investment ₹1,00,000, Return 12% p.a., Period 10 years

Maturity value₹3.11 L

Gains₹2.11 L

CAGR (input)12% p.a.

Graphical view

Invested

₹1.00 L

Gains

₹2.11 L

Maturity

₹3.11 L

Example 2 (₹5 lakh for 15 years)

Investment ₹5,00,000, Return 10% p.a., Period 15 years

Maturity value₹20.89 L

Gains₹15.89 L

CAGR (input)10% p.a.

Graphical view

Invested

₹5.00 L

Gains

₹15.89 L

Maturity

₹20.89 L

HOW IT WORKS

Simple steps to get your result

Enter your investment amount

The one-time amount you want to invest — a bonus, windfall, or savings.

Set return rate and time horizon

Choose your expected annual return and how many years you plan to stay invested.

See compounding in action

Get your maturity value and year-by-year growth showing how compounding accelerates in later years.

FAQ

Frequently asked questions

What is a lumpsum investment?+

A lumpsum investment is a one-time, large investment made at once — as opposed to SIP which is spread across months. It is suitable for investing a bonus, inheritance, salary arrears, or any large sum when you have it available.

When is lumpsum better than SIP?+

Lumpsum investing outperforms SIP in bull markets since the entire corpus benefits from growth from day one. SIP outperforms in volatile or bear markets due to rupee-cost averaging. If you have the capital and the market is not overvalued, lumpsum has historically outperformed SIP in flat-to-bull markets.

How does compound interest work on a lumpsum?+

With compounding, your returns earn returns. At 12%, ₹1 lakh becomes ₹3.1 lakh in 10 years, ₹9.6 lakh in 20 years, and ₹30 lakh in 30 years. The acceleration in the later years is the power of compounding — this is why starting early with any amount is critical.

Track all your investments in one place

TradeLyser tracks your trading P&L and investment performance together — giving you a complete picture of your financial growth.