Contact Us
Last updated: 14 August 2026
Online Free Ruler is independently maintained, and this is the direct way to reach the people who maintain the site and its measurement tool. Please email us with a question, correction, or suggestion.
Support email
support@onlinefreeruler.comSupport, Feedback, and Corrections
Contact us if a measurement seems off on your device, you have a question about using the ruler, or you would like to suggest a feature or language. We also welcome reports of broken pages, inaccurate information, translation problems, or accessibility barriers. Your feedback helps us improve the tool for everyone.
For Measurement or Display Issues
To help us investigate, include your device model, browser and version, screen size or resolution if you know it, the unit you selected, and a short description of what happened. A screenshot is helpful when it is safe to share. Do not include passwords, payment information, or other sensitive personal information.
Privacy Questions
If your question concerns cookies, analytics, advertising, or information you send us by email, please review our Privacy Policy and contact us at the address above. We use the information in your message only to handle and respond to your request, as described in that policy.
Response Timing
We review messages as soon as we reasonably can. Including the relevant details in your first email helps us understand the issue and provide a useful reply.