One the the most valuable tools in a tradesman"s toolbox is the usual tape measure. Let"s see how to review a tape measure.
You are watching: 3/32 on a tape measure
The tape measure have the right to be marked with united state or English measurements (feet and also inches), metric dimensions (meters and parts that meters: centimeters, millimeters, etc) or both mutual on the exact same tape. Many tape measures have actually common facets to have the ability to use castle easily. Most US ice measures have actually both inches and also foot marks. Notification that the 16", 32", 48", 64", etc. Are marked differently than the various other inch markers. Part tape procedures have tiny black arrows or pointers with a box approximately the number, various other tape measures have actually these number highlighted in red. This numbers describe the 16" centers for laying out studs and joists. Many carpenters have the 16" centers memorized up to 8", yet a tiny help top top the tape measure is well received once you gain to 128". And the 16" marks, an alert a black color diamond note every 19.2 inches, likewise called the black truss mark. It was put on the ice measure initially to designate the on-center position of residential roof trusses. Rather than place 6 trusses in 8", every 16", they saved a truss every sheet of plywood by dispersing them out. We don"t use this place today through our trusses, i m sorry are frequently designed because that 24 customs centers.
When you check out a tape measure a small knowledge of mathematics is needed. We understand that 1/2 is the same as 4/8, 8/16, 16/32, etc. We can refer to the 1/2" note as the 16/32" mark yet we usually use the most basic numbers possible. Because we recognize that 16/32 is 1/2, when searching for 15/32" ~ above the ice cream measure, for example, it is the an initial 32nd prior to the 1/2" mark.
Actually, in the ar a carpenter describes a 32nd together plus or minus a major fraction. For instance, 13/32 is 1/32 much less than 14/32 or 7/16, so we say "7/16 minus" and 11/32 is 1/32 an ext than 10/32 or 5/16, so we say "5/16 plus". This is a fast way of analysis the tape measure on the job as soon as taking a measure of other to reduced it come fit. What you must do is memorize the common fractions under to sixteenths.
Here they are:
1/16, 1/8, 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16 and also the inch mark.
How to review a ice cream Measure
We use thirty-seconds in the stairway calculator, and also other instances choose that, simply for accuracy since when you"re cutting 16 stairs risers, if you space 1/16th inch the end on each stair, you room out a entirety inch in ~ the end. Also being 1/32" out gives an error of 1/2"!
Here is a video I made with Dan"s help (my brother and also webmaster).
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Dave(Ask Dave) (About Dave)
Hi, I"m Dave Osborne. With over 50 years experience as a journeyman carpenter, foreman and also contractor in heavy building I appreciated working through apprentices and sharing the tricks of the profession that others mutual with me. Now I obtain emails indigenous Members almost everywhere the world and also we include plenty of of mine answers in our free Monthly Newsletters. Some of my answers incorporate drawings and instructions certain to a project, however may also answer her questions. I use correct construction terminology, for this reason you deserve to confidently educate your structure supply certified dealer or contractors exactly what friend need.