Create 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: » Get The Tip of The Day in Your Inbox! Sign-up for the PTC Newsletter to receive a weekly re-cap of the Tips of The Day. That way you'll never miss a tip. You'll also get instant access to the Subscriber Only Tutorials! Enter your email below to sign up! Your Email Address: You Can Also Get Daily Tips On Your Feed! Every Photoshop Tip of The Day is posted in our Facebook & Google Plus, Twitter, LinkedIn, and Pinterest pages.