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