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Lumpsum Investment Calculator

See what a one-time investment could grow to over time, and how much of that is gains. Calculated in your browser.

Estimates only, not investment advice. Actual returns vary, investments are subject to market risks. Assumes a fixed yearly-compounded return. Your inputs never leave your device.

A lumpsum investment is a single, one-time amount you invest and leave to grow. This tool estimates its future value and how much of that is gains, over the years you choose.

How to use

  1. Enter the one-time amount you're investing.
  2. Add an expected yearly return and how many years you'll stay invested.
  3. Tap Calculate to see the estimated value.

Frequently asked questions

Lumpsum or SIP, which is better?

They suit different situations: a lumpsum invests a big amount at once, while a SIP spreads smaller amounts over time. This tool only estimates the lumpsum case.

Does it account for taxes or inflation?

No, it shows the plain investment growth before any tax or inflation. Treat the figure as a gross estimate.

Are the returns guaranteed?

No. The return you enter is an assumption; actual market returns vary and can be lower or negative. This isn't investment advice.