Online Length Measurements on an Image of the Shroud of Turin
-- photo taken after the restoration of 2002

You can do online length measurements directly on the image (copyrighted Arcidiocesi di Torino). Its calibration is 1px = 1.985mm.

On the right, the current coordinates $(x,y)$ should be displayed as you move the pointer mouse over the image; with the length in millimeters from the last fixed point. Every time you click on the image, new coordinates are fixed and a length is calculated from the previous coordinates. (You must have Javascript enabled in your browser. Currently it does not work with the Safari browser.)

Length from (0,0) to (489,3): 955.6mm Unkown coordinates until you click on the image.