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Compound Interest Calculator

Compounding is the strongest force in your portfolio, but it only shows up if you give it years and keep paying in. Adjust the inputs and see what your money could become.

Your plan

kr.
kr.
yrs
%

A globally diversified index fund has historically returned around 7% per year before inflation.

%

Tax treatment

Final value

1.764.717 kr.

You paid in

770.000 kr.

Growth

994.717 kr.

In today's money

1.187.604 kr.

After 2% inflation

Projected portfolio

DepositsGrowth2026 → 2046

How it works: deposits are added monthly and the return is applied monthly. If you select a tax model, the yearly gain is taxed at the end of each year, which mirrors the Danish lagerbeskatning principle used for most ETFs and for an aktiesparekonto.

Returns are never smooth in real life. Use this as a planning tool, not a promise. Read more in our guide to investing in Denmark as an expat.