Online Ruler

For the ruler to be accurate you need to fill in information about you computer screen.
*The accuracy of the ruler should be within 5% if all entered information is correct.
*If you have dual screens, only enter the information of the screen you view the ruler on.
*The automatically filled in resolution is retrieved from a javascipt

Resolution X
Resolution Y
Ratio X*
Ratio Y*
Screen size(in inches)
Show ruler inCentimeters

(* = Leave empty unless you use a non-square pixels format, for example 1280x1024)
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