Chances are you already need a steel ruler for your fixing and making tasks, so why not use one that can do much more than ...

It might surprise you to know that the common tape measure is not only one of the essential items needed in a home tool kit, ...

Changing the ruler’s 0 origin means changing the position where the starting point (0) for measurement on the ruler is. The default zero position of the ruler is usually at the left edge of the ...

Historically, the changes in the height of the mercury were measured with a ruler, so barometric pressure used "inches of mercury" as a unit. Today, the metric units of the bar and the millibar ...