Contact & Support
Have a question about screen calibration, want to suggest a new device screen preset, or encountered a glitch with our caliper or protractor tools? Get in touch with our team directly.
General Support & Inquiries
Questions about measuring, offline PWA installation, or classroom/workshop usage.
support@truescaleruler.comFeature & Preset Requests
Suggest new calibration reference coins, display presets, or unit conversion formulas.
features@truescaleruler.comBug & Accuracy Reports
Report measurement rendering quirks, browser compatibility issues, or touchscreen bugs.
bugs@truescaleruler.comDirect Feedback Form
Fill out the form below to draft an email with your browser's diagnostic information automatically attached for faster troubleshooting:
Looking for Answers to Common Measurement Questions?
Check out our comprehensive Frequently Asked Questions (FAQ) guide covering smartphone measurement, 1-inch identification, camera rulers, and calibration techniques.