How to Read a Pi Tape and Get Accurate Measurements
Learning how to read a pi tape might feel a bit intimidating when you first look at those tiny, crowded lines, but it's actually way easier than it looks once you get the hang of it. If you've ever tried to measure the diameter of a large pipe or a tree with a standard tape measure, you know it's a total pain. You end up measuring the circumference and then fumbling around for a calculator to divide by 3.14159. A pi tape—or a diameter tape—is basically a cheat code that does that math for you in real-time. ...