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Contact Us
Have a question about our online ruler, found a bug, or want us to add your phone or laptop to our calibration list? Send us an email directly.
How Can We Help You?
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Add Your Device
If your phone or laptop model is not in our list, send us your screen size and resolution.
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Report an Issue
Tell us what happened, your browser name, and device so we can fix it right away.
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Feedback & Ideas
Share ideas for new measuring tools, unit options, or general suggestions.
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