Your smartphone can not only serve you as a digital ruler, but it can also help you measure various other things. Smartphones are very powerful tools, especially if you pair them up with good apps. In ...

How long is that piece of wood that I need to complete my project? How do I know if my sandwich from Subway is truly a footlong? How can I convert this measurement from inches to centimeters? All of ...

Any carpenters or architects reading this? Leave your measuring tape at home and download the Advanced Ruler Pro app on your Android phone, which measures the height of buildings, people—basically, ...