Terms of use

Last updated: 8 October 2026

Information only

Our calculators are for general information and planning. Results depend on the values you enter and the assumptions explained on each page. They are not professional, financial, legal or operational advice.

Aviation tools

Aviation calculators are for planning and education. Always use your aircraft's approved documentation, your operator's procedures and actual measured values for operational decisions.

No warranty

We work hard to keep every calculator accurate, but we provide the site as it is, without any warranty. We are not liable for decisions made using its results.

Advertising and links

The site is free because it shows ads, served by Google AdSense. Ads and links to other websites are provided by third parties, and we are not responsible for their content or offers. See the privacy policy for how ads use cookies and the choices you have.

Contact

Questions: hello@zulucalculator.com.