Interest · Capital · Calm
Compound interest·
Add multiple saving scenarios · see them grow side by side
Scenarios · tap to edit
2/6
2 000 kr/mo · 10 yr · 7%
366 266 kr
4 400 kr/mo · 20 yr · 9%
2 998 794 kr
Bas
Example·10 000 kr start·1 500 kr/mo·20 yr·8 % return·≈ 932 799 kr
Best final value
2 998 794 kr
Offensiv·20 yr
| Scenario | Deposited | Return | Final value |
|---|---|---|---|
Bas 250 000 in · +116 266 | 250 000 | 116 266 | 366 266 |
Offensiv 1 066 000 in · +1 932 794 | 1 066 000 | 1 932 794 | 2 998 794 |
Insights · Tips · Help
From the blog
- FIRE·31 May 2026·5 min read
The 12% rule – why it's controversial (and how it stacks up against the 4% rule)
What the 12% rule is, where the number comes from, and why most retirement researchers warn against planning around it. Test it against the 4% rule in the calculator.
- FIRE·31 May 2026·6 min read
The FIRE movement and the 4% rule – the path to financial freedom
What is FIRE, how does the 4% rule work, and how do you calculate your own FIRE number? A calm introduction with a calculator.
- Saving·15 June 2026·5 min read
The 12-12-12 rule – save for 12 years, live off the capital for life
A pedagogical mnemonic showing how compound interest can turn 12 years of monthly saving into a lifelong income. Here's how it works.
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