1. Acceptance of Terms

By accessing and using Online Ruler (onlinerulercm.com), you agree to be bound by these Terms and Conditions. If you do not agree to these terms, please do not use the service.

2. Permitted Use

Online Ruler provides free, in-browser digital scale instruments for measuring physical objects on computer, tablet, and smartphone screens. You are granted a personal, non-exclusive, revocable license to access the utility for personal, commercial, design, and educational purposes.

3. Disclaimer of Measurement Precision

Important Notice: While Online Ruler implements sub-millimeter SVG rendering and ISO standard calibration algorithms, physical accuracy depends upon correct display PPI calibration, zoom levels (100%), and hardware manufacturing tolerances. Online Ruler is provided for reference and convenience only. It should NOT be used for high-risk engineering, architectural construction, aerospace, legal surveying, or medical applications requiring certified precision tools.

4. Intellectual Property

The software, SVG rendering algorithms, visual branding, user interface layouts, and written instructional content are protected under copyright and intellectual property laws. You may not duplicate, reverse engineer, or redistribute the source code for commercial resale without prior permission.

5. Limitation of Liability

To the fullest extent permitted by law, Online Ruler and its operators shall not be liable for any direct, indirect, incidental, or consequential damages resulting from inaccuracies in measurement or the use or inability to use this service.

6. Modifications to the Service

We reserve the right to modify or discontinue features, shortcuts, or design components of the tool at any time without prior notice.