How To Properly Measure A Picture Frame. Measuring your frame to measure the frame, lay it down on a flat surface face down. This is a staple of all our framing tutorials — measure, measure, measure!
Our system only takes mm. Subtract 1/2 inch from 12 1/8 to get 11 5/8 inches. Next, to ensure you get you holes drilled in the correct place, measure on each frame the distance from the edge of the frame to the hanging hook.
Lay the picture flat on a clean surface to measure it properly.
It’s a fact that you can hang a picture with any old piece of string. If you want landscape, make sure your “width” measurement is greater. It is a common mistake to think the dimensions are the width and height of its outside edges. It’s a fact that you can hang a picture with any old piece of string.