3 Mysteries of the Diameter Tape Measure

Mysteries of the Diameter Tape Measure
Mysteries of the Diameter Tape Measure

The diameter tape measure easily figures the diameter of a pipe or pipeline. All you have to do is wrap it around the pipe, and read off the diameter. Here are its mysteries..

    1. Why is the “zero” mark not at the beginning of the tape? It is a couple inches away from the beginning of the tape.
    2. Why does the end of the tape have a “loop” instead of a “hook”?
    3. Why are some calibrated in 100ths of an inch, and some in 64ths of an inch, and some in millimeters?



  1. By having the zero mark away from the beginning of the tape, you can easily line up the other part of the tape to the zero mark.
  2. Since zero is not at the end of the tape, there is no need to have a hook there. What is helpful, is to have a metal loop to hold onto, when wrapping the tape around the pipe.
  3. Different strokes for different folks. Automotive repair people prefer the 64ths of an inch calibration. Oilfield people prefer the 100ths of an inch version. And of course, some people use the metric system of measurement.


5 Misunderstood Facts About Tally Books

Pipe Tally Books are normally used by workers in oilfields. They keep track of the

Tally Books in the Field
Using Tally Books in the Field

exact time that a section of pipe is attached to the drilling rig. Also they record the length and diameter of the pipe. These drilling workers need a heavy duty book that can easily fit into their pocket. That’s a short history of tally books. But here are some things you might not have known about these special books:

  1. Anyone who works outdoors and needs to keep records, can use a tally book. Other users are foresters, wind energy inspectors, handymen, carpenters, electricians, plumbers, and waterworks people.
  2. The pages are sewn in, for durability. A little ring binder wouldn’t be as durable.
  3. A new option for the pages is the sewn water-resistant Stone Pad. If you try to tear a sheet, it just stretches a little. You can’t tear it.
  4. The cover is made of high grade vinyl, which comes in colors to coordinate with your company logo. This gives the book a high resistance to rain and abrasion.
  5. Got a favorite pen or pencil? Since these books are custom made, they can have a pen loop built into them.