Free Tools

Calculators

Sixteen small calculators that show what numbers do to money over time, from compound interest to position size.

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Comparison tables

The most important comparisons at a glance: index fund vs. active fund, stock vs. bond, investing vs. trading, taxes by country, and more.

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Paper trading simulator

Trade with a simulated starting capital of 10,000 euros, no real money and no real market data. A good way to practice position size, stop-loss, and risk-reward ratio hands-on.

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Downloadable templates

Free templates for budgeting, an emergency fund, a trading plan, and more: ready to fill in.

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For teachers

Use Zerotoinvest for free in class: worksheets cleared for reproduction, no account, no tracking.

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Europe Compared

Taxes, deposit insurance, and financial regulators for eight countries at a glance.

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Your Certificate

Five competency levels, tied to real quiz results: with a printable certificate.

See where you stand

Classroom

For teachers: a link to one stage, no account. Students print their own report at the end.

Create a link

Annual Financial Check

Eight points, once a year. Each one links straight to the matching calculator.

Start the check

Questions and answers

Hundreds of questions, sorted by topic. A good way to test your knowledge or quickly look something up.

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Embed a calculator

Every calculator and the simulator can be embedded on your own site for free, with an automatic, clickable attribution link. Just swap the URL in the example for the address of any calculator.