Smartphones are useful for a lot of things. You can even use one as a ruler in a pinch. Generally speaking, you won’t replace your trusty yard stick. A phone is simply too small for anything other ...

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 ...

Hozo Design has a pair of digital measuring devices in the NeoRuler and M-Cube, with both having the goal of making both micro and macro measurements more precise and easier to accomplish.

The “ruler” tool in Google Earth has always been useful, and it has seen a number of improvements over the years. To get started with it, simply go to [Tools] –> [Ruler] in Google Earth and it’ll open ...

It’s always good to get reader submissions on MbM, so thanks to Ian P for sending this one in. It’s a little “PCB ruler” that is embellished with markings to indicate trace width, a wire gauge chart ...