#Computer ruler tool free#

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.

#Computer ruler tool free#

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.