Contact Us
Have a question, feedback, device request, or found a measurement bug? We'd love to hear from you.
📐 Device PPI Requests
Want your specific phone, tablet, or monitor model added to the auto-detect database? Send us your device make and model.
💡 Feature Suggestions
Have an idea for a new measurement tool, custom grid spacing, or unit option? We actively review community ideas.
🐛 Bug Reports
Found a visual glitch or calibration discrepancy? Please include your browser name, screen size, and device model.
🤝 Education & Press
Inquiries regarding school, academic, or commercial use. Live Ruler is 100% free and open to everyone.