Ruler app for your phone and tablet. Measure everything with beautiful on-screen ruler. Choose between inches and centimeters. Tap the screen to start using the best multi-touch measuring system and find size of all curious objects around you. And all this for free. Fast and responsive interface with beautiful modern design that looks great both on phone and tablet. Imperial (inch) and Metric (centimeter) units. Very simple so everyone can use it - touch the screen and move the left and right handles with your fingers. History for your latest measurements. Copy current length to clipboard and paste it in another app. Multi-touch caliper tool functionality. Calibrate the app if units are inaccurate. Grab a real ruler and follow instructions in Settings menu. Learn more and send feedback on http://ruler. mobi.