The right click menu gives you the options to flip the ruler from horizontal to vertical, mark the exact center of the ruler, snap it to the left edge of your desktop screen, and set the pixels per inch for a more accurate measurement as mentioned above. JS Screen Ruler can display pixels, inches, pica’s, or centimeters, and the size of the ruler can simply be extended by dragging the small slider. Although it’s not 100%, it’s still very close. Most tools that allow this will let you enter only a whole number without decimal places, so just round up or down. This will output a Pixels Per Inch (PPI) number which you can then enter into the ruler utility if it allows you to for better measurements. Once you have this information, visit the PPICalc or DPI / PPI Calculator webpage and enter the horizontal and vertical resolutions, and the diagonal screen size. ![]() Using a value of 22 inches when your monitor is actually 21.5 inches will produce an inaccurate measurement and needs to be as close as possible. 1920×1080) and its exact visible display size in inches. You need to know the resolution of the current display (e.g. Some options offer an ability to calibrate against a real world object of known dimensions, but if they don’t, try the following. This differs from screen to screen because of different resolutions and physical screen sizes. To use one of these rulers for more accurate measurements or to measure a physical object, the ruler needs to be calibrated so the inch/centimeter scaling is correct. ![]() Here are 8 free options to help you find out a variety of different measurements either in the real world or virtually on the screen. Whether you want to find out if a button is placed correctly on a webpage or an object is in the correct position in your graphic work, or even if you want the dimensions of a real object but don’t have a ruler or tape measure to hand, there are utilities available to help you out. Of course, there are tools around that can easily tell you how many pixels on the screen it is from one point to another, but actually measuring something in inches or centimeters is a little more tricky. If you want to know the dimensions of a physical object, you wouldn’t necessarily think of turning to your computer first to get some measurements. Quickly and easily locate and align any point visible on the screen. Magnify part of your screen, copy colors and simulate how colors appear to users with vision impairments.ĭisplay vertical and horizontal guides that float on top of all else on the screen for easy alignment.Ĭreate, layout and adjust custom marker boxes that float on top of all other on-screen elements. Inspect your usable screen real estate with dozens of templates for computers, TV’s and mobile devices. Powerful on-screen rulers for precise pixel measurements that include scaling, rotation, and edge snapping.Ĭheck alignments, view mockups or display grids over your browser while you work on responsive designs. ![]() Instantly find the dimensions of any on-screen element simply by rolling your mouse cursor over it. The calculation is done with several factors in mind, such as the height of the camera and the tilt of your smartphone.Įffortlessly see your designs and applications on iOS and Apple Watch while you work on them from your Mac.Ī powerful way to search, decipher, and reformat text and character glyphs. It works by just aiming your camera lens at the object under study. EasyMeasure is a measuring app that can measure the object’s distance from the user in addition to measuring its dimensions. “xScope by Iconfactory is a software tool I. XScope is a powerful set of tools for Mac OS X that are ideal for measuring.
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