Home » Tip of The Day » Create a New Document With Two Different Units of Measurement For Width and HeightCreate a New Document With Two Different Units of Measurement For Width and Height September 19, 2015. Posted in: Tip Of The Day. In the “New” window (File > New), you can create a document by using two separate units of measurement, for example inches for width and pixels for height. To do so, simply hold Shift while you select the second unit from the drop-down menu. « Previous Photoshop Tip: | Next Photoshop Tip: » Sign-up for the PTC Newsletter so that you'll never miss a tutorial!. Your Email Address: