How quickly will I receive a reply from support?

We typically respond to questions and submitted hardware PPI profiles within 24–48 business hours.

How can I submit my device screen specifications to be added to the auto-detect list?

Select "Display Calibration Issue / New Device PPI" in the contact form, and provide your device brand, model number, screen diagonal in inches, and native resolution. We will add verified hardware profiles to our database.

Is there any fee to embed the ruler widget?

No. The Real Size Ruler iframe widget is 100% free to embed on any personal, commercial, or educational website.

Get In Touch

Contact Us

Have questions, feedback, a display PPI profile to submit, or need help embedding the ruler widget? We'd love to hear from you.

Send Us a Message

Fill out the form below to launch your email client with your message details pre-formatted.

Official Support Email

support@realsizeruler.com

Typical response time: Within 24-48 business hours

Quick Self-Serve Resources

→Display calibration questions? Check our FAQ & calibration guide.
→Want to embed the ruler on your site? Open the Embed Code generator.
→Need physical paper rulers? Printable 1:1 scale templates.