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 ...

You can change the ruler unit from inches to centimeters, millimeters, points, and Picas. Points are used when you need to simulate pixels, while Picas are typically used to represent fixed horizontal ...

TLDR: The Rollova 2.0 Digital Ruler slips into your pocket and springs to life to measure over any surface, even curves, with just a simple roll. While the wooden ruler is best remembered as the ...