How many cm is 1pixel for a screen resolution of "640x360"

2014 6 2
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更新时间：2014 6 2
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I would like to measure and verify the real-time distance of an object with my code. the co-ordinates returned are in pixels and I am aware that pixels to cm conversion varies from one resolution to another. My screen resolution is "640x360"..how many pixels will make 1 cm in this case? Please help!
Thank you!

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回答（1 个）

Niklas Nylén
Niklas Nylén 2014-6-2

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That depends on the size of your screen. If your screen is 20 cm wide, each pixel will be 20/640 = 0.125 cm wide.

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