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About Laskurikeskus

Laskurikeskus offers free, fast and clear calculators. Our aim is that every calculator works instantly in the browser, shows the result understandably and is just as smooth on a phone as on a computer. We do not require registration and we do not collect your calculations — the computing happens in your own browser.

The site covers basic and advanced mathematics tools as well as everyday calculators for managing working time, salary, text length, internet speed and personal finances. The content is continuously developed based on user feedback.

Our principles

Free and open. All tools are free and usable without an account.
Privacy first. Calculations stay only in your own browser.
Clarity. Results and, if needed, intermediate steps are presented understandably.
Mobile first. Every calculator is designed to work well on a phone too.

Disclaimer

The calculators are intended for general use and for making estimates. Health-, finance- and tax-related tools give indicative estimates and do not replace professional advice. Always check important decisions against a reliable source. Get in touch if you notice an error — we are happy to fix it.