Compound Growth Visualiser

The eighth wonder of the world, on three sliders. Watch your money make money.

Before you start

Compound Growth Visualiser

Watch how a little, invested regularly, quietly becomes a lot over time.

Start using the tool

Choose your working currency when you enter the calculator.

Set how much you can invest monthly, plus any starting amount.

Choose how many years to stay invested.

Enter an expected annual return for the scenario.

Choose monthly or annual compounding so the calculation matches your investment.

Watch it grow, and toggle the today's-money view for inflation.

Private and confidential: everything runs in your browser. We never see your numbers, and nothing is stored unless you choose to save or email your plan.

Choose your working currency

Your starting amount, contributions and results update together.

I can invest monthly

Starting with

For how long (years)

Expected annual rate of return (%)

Use an informed estimate for the scenario you want to explore. This calculator teaches compounding; it does not recommend a product.

Before fees and tax. An estimate, not a promised return.

Compounding frequency

Choose how often returns are added. Monthly compounds 12 times a year; annual compounds once a year, so the end result changes.

Monthly compounding Returns added 12 times a year Annual compounding Returns added once a year

Your contribution remains monthly in both options.

When the monthly contribution is added

Beginning of month End of month

Show in today's money (7% inflation)

The cost of waiting

If you wait 5 years to start, your final pot shrinks by

Same monthly amount, same returns, just started later. Time is the ingredient money can't buy back.

Explore investment next steps

In years you'd have

≈ in today's buying power

You put in

Growth earned

More than × what you put in, that's compounding.

Your money, working

Save & download your report

Your growth projection, assumptions and next steps.

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