Rula!

Rula allows you to measure objects by putting them next to or on the iPhone or iPad screen. You can move sliders to make it easier to measure the objects. Features:- Switch between centimetres and inches- Save/Restore unlimited number of measurements- Conversion calculator between centimetres and inches and vice-versa- Measuring aids for small objects that fit within screen dimensions (Please note: This app only measures up to the width of the device)