Free Tool · Money Moves Teens

Compound Interest Calculator

See exactly how much your money can grow — and why starting today beats starting later.

Your Numbers

Adjust the sliders or type your own values

How much you'll put aside each month
€1€500
We'll calculate growth until age 65
years old
1050
Global index fund historical average is ~7%
% per year
1%15%
Any lump sum you already have saved

Your Results

Projected value at age 65

Total Value at Age 65
€142,000
48 years of growth
Total you contributed €28,800
Growth from compounding €113,200
Growth multiplier 4.9×
Value at age 30 €25,400
Value at age 40 €58,200
Growth over time
Contributions
Growth

What Starting Age Costs You

Same monthly amount — different starting ages — dramatically different outcomes

Starting Age Years Investing Total Contributed Value at 65 Growth
All calculations are estimates based on consistent monthly contributions and a fixed annual return rate. Investment returns are not guaranteed and past performance does not predict future results. This tool is for educational purposes only and does not constitute financial advice.