How accurate you need to be when you measure depends on the situation. To measure and draw well, you need to know how to use a ruler and understand the different units of measurement, such as ...

From AR-powered rulers to GPS-based land survey tools, these 8 best measuring apps for iPhone and Android let you measure length, height, area, and even perimeters on the go. Accurate, versatile, and ...

You may have seen surveyors (or maths students) running around with measuring wheels, counting the clicks to measure distances. [AGBarber]’s digital measuring wheel works in much the same way, but ...

If you are into precision engine building, you've no doubt heard the standard line for establishing the proper pushrod length: With proper pushrod length, the rocker tip should be in the center of the ...