ON RULER is a helpful measuring tool for quick measure of small object’s length. It helps you to measure the dimension of objects conveniently and accurately with your phone at any time and anywhere. It combines two important ruler measuring modes in one app, which is 2-Lines Ruler and 4-Lines Ruler. In a single click, you can also switch the ruler’s length unit between millimeters and inches. This app is smart and easy to use. You can measure the length and width of any objects in the range of your screen size by simply place them on the device's screen and move the line limiters one after another. The dimensions of the object (width, length, and area) will shows on the screen automatically. To measure objects that larger than your device's screen size, you can use ON Measuring Tape, ON-2D Camera Measure, or ON-3D Camera Measure. These are Free measuring tools. For perfect accuracy, you will be requested to do the calibration the first time you open the application. Calibration needs to be carried out only one time per installation. With ON Ruler, now you always bring a ruler with you as in your smartphone. In the 2 Lines Ruler just place the measured object on the screen and align the object boundaries to the left and top edge of the screen. After that, move the vertical and horizontal line limiters to aligned with the object's right and bottom boundaries. The width and length of the object will be displayed on the screen. And in the 4 Lines Ruler Place the measured object anywhere on the screen. After that, move the 4 line limiters to aligned with the object's left, right, top, and bottom boundaries. This ON Ruler measurement app is very useful for Civil engineers, Architects, structural engineers to measure objects easily and fast. It saves their work time. Also, it is very helpful for the people who need to take any measurement. Thank you so much for Downloading free Measurement APK files from the cadbull.com website. Download the Apk file for free now.