Contact us
Bug report, feature request, partnership, or just a question — we read every message.
Response time
Usually within 24 hours
Send a message
Fill in the form and we'll get back to you.
Common questions
Quick answers before you write in.
How do I report a bug in a calculator?+
Use the form and select 'Bug report' as the subject. Mention which calculator and what result you expected vs what you got.
Can I suggest a new calculator?+
Absolutely — we love feature requests. Send us the calculator name and country and we'll evaluate it for the next release.
Do you offer financial advice?+
No. fino.tools provides calculators and educational content only. For personalised advice, please consult a qualified financial advisor.
Are the calculators really free?+
Yes, entirely. No subscription, no account, no paywalled results. Everything runs in your browser and always will be.