Legal

Terms and Conditions

Last updated: September 14, 2026

Using the service

Right Online Ruler provides a browser-based measurement reference. You may use it for lawful personal, educational, creative, and general-purpose activities. You are responsible for maintaining a suitable device, browser, and screen calibration.

Measurement limitations

Digital measurements depend on the accuracy of the selected device profile, screen diagonal, reference card, display resolution, browser zoom, and physical alignment. Results are not guaranteed to be exact and must not replace certified instruments for medical, legal, engineering, manufacturing, financial, or safety-critical decisions.

Availability and changes

We may update, improve, suspend, or remove features at any time. The service is provided on an as-available basis. We are not responsible for interruptions, browser limitations, display inaccuracies, or losses resulting from reliance on an unverified measurement.

Acceptable use

Do not misuse the website, attempt to interfere with its operation, bypass security controls, or use it to make decisions where inaccurate measurement could cause harm. By using the site, you agree to these terms.