What is the Lumpsum Calculator?
The lumpsum calculator is a free online tool that helps you work out lumpsum quickly and accurately. It uses the standard formula FV = P x (1 + r)^t and shows the result instantly as you type, along with a full breakdown so you can see exactly how the answer was reached.
How to use this calculator
- Enter the one-time investment.
- Enter the expected annual return.
- Enter the number of years.
- See the projected maturity value.
Formula used
FV = P x (1 + r)^tExplanation of each input
- Investment amount โ the investment amount used in the calculation.
- Expected annual return (%) โ the expected annual return used in the calculation.
- Investment period (years) โ the investment period used in the calculation.
Understanding your result
- Amount invested โ the calculated amount invested.
- Estimated returns โ the calculated estimated returns.
- Maturity value โ the calculated maturity value.
Step-by-step calculation
For the example values 100000, 12%, 10 years:
- Apply the formula:
FV = P x (1 + r)^t - Substitute the values: FV = 100000 x 1.12^10
- Result: Maturity about 310585
Worked example
| Inputs | 100000, 12%, 10 years |
|---|---|
| Working | FV = 100000 x 1.12^10 |
| Result | Maturity about 310585 |
Benefits and practical uses
This calculator saves you time and reduces errors when you need lumpsum. It is useful for students, professionals and anyone who wants a fast, reliable answer without manual calculation. Results update instantly, work in your browser and can be copied or shared in one click.
Assumptions and limitations
- Constant annual return.
- Returns compounded yearly.
- No taxes or charges deducted.
Frequently asked questions
Lumpsum or SIP - which is better?
Lumpsum suits a large one-time corpus; SIP suits steady monthly savings and reduces timing risk.
Are these returns guaranteed?
No, they are projections based on an assumed return.
Disclaimer: This calculator provides estimates for general information only and is not financial advice. Returns are illustrative and not guaranteed; consult a qualified financial adviser before making decisions.