Terms of Service
Last Updated: March 14, 2026
By accessing or using Online Ruler, you agree to these Terms of Service. If you do not agree, please do not use the site.
Use of Service
You may use Online Ruler for lawful purposes. Do not attempt to disrupt the service, probe for vulnerabilities, or abuse the site in a way that harms other users or the infrastructure.
Accuracy
Pixel (px) measurements reflect on-screen pixels. Measurements in cm/mm/in are estimates based on your calibrated PPI and can be affected by browser zoom, OS display scaling, devicePixelRatio, and hardware differences. Keep zoom at 100% and recalibrate when your display environment changes. Do not rely on this tool for critical tasks where incorrect measurements could cause harm.
Intellectual Property
The service and its original content, features, and functionality are owned by us and are protected by international copyright, trademark, and other intellectual property laws.
Limitation of Liability
The service is provided “as is” without warranties. To the extent permitted by law, we are not liable for indirect, incidental, special, consequential, or punitive damages arising from your use of the service.
Changes to Terms
We reserve the right to modify or replace these Terms at any time. We will provide notice of any significant changes.
Contact Us
If you have any questions about these Terms, please contact us.