What does 19 3/16 mean on a tape measure?
The black diamonds which appear every 19 3/16” on metal tape measures are for spacing I-beam “timbers.” Several wood-product manufacturers offer I-beam “timbers” as a substitute for solid lumber floor joists. The diamond marks on tape rule blades are for spacing these engineered floor joists in new construction.
What is 3/16 on a measuring tape?
Inch Fraction, Decimal and Millimeter Equivalents
| Fraction | Decimal | Millimeters |
|---|---|---|
| 3⁄16” | 0.1875 | 4.7625 |
| 1⁄4” | 0.25 | 6.35 |
| 5⁄16” | 0.3125 | 7.9375 |
| 3⁄8” | 0.375 | 9.525 |
What is 19.2 on a tape measure?
black diamond
The black diamond marks every 19.2″ on our tape rule blades. This is for spacing of engineered joists common on job sites. The 19.2 inches allows for a break at 8 foot to accommodate full sheets of plywood.
What does Starrett do to a rules graduations?
They are graduated in 32nds of an inch or millimeters on both ends of one side as shown at the right . These improved Hook Rules feature an adjustable double hook that can be shortened or extended on either side in relation to any one of the four graduations on the rule .
What is 19 32 on a tape measure?
18/32” reduces to 9/16” and 20/32” reduces to 5/8”, therefore 19/32” is the 1/32 mark between 9/16” and 5/8”.
Where is 3 16th on a ruler?
The very first line on the left hand side of the ruler is the 1/16 of an inch mark. Between 0 and 1 inch, there are marks that denote 1/16, 2/16 (or 1/8), 3/16, 4/16 (or 1/4), 5/16, 6/16 (or 3/8), 7/16, 8/16 (or 1/2), 9/16, 10/16 (or 5/8), 11/16, 12/16 (3/4), 13/16, 14/16 (or 7/8), 15/16, 16/16 (or 1) of an inch.
Why is every 16 inches marked on a tape measure?
Note the Marks for Studs and Joists Tape measures usually have a red mark every 16 inches. This makes it convenient to mark off wall studs or joists, which typically are 16 inches apart. Unless you are dealing with wall studs or joists, you can ignore this marker.
What fraction is 19 32 simplified?
Reduce 19/32 to lowest terms 1932 is already in the simplest form. It can be written as 0.59375 in decimal form (rounded to 6 decimal places).
What are the 16 inch marks on a tape measurer for?
These marks are for laying out 5 engineered flooring trusses per 8 feet, like those wooden I beams. Studs and traditional floor joists are usually either 16 or 24 inches on centre, and every 16 inches on the tape is marked with a triangle.
What do the black marks on a tape measure mean?
Tape measures often use small, black diamond or triangle shapes called black truss marks. They indicate truss layouts of every 19 3/16 inches. This spacing is often used by some engineered joist manufacturers. There are 5 of these marks for every 8 feet.
What are the truss marks on a tape measure?
Many tape measures will have 1 foot marks every 12 inches. This eliminates the need to convert inches to feet yourself. Some have special markings every 3 feet as well. Tape measures often use small, black diamond or triangle shapes called black truss marks. They indicate truss layouts of every 19 3/16 inches.
How often does a tape measure need to be red?
The typical length between studs in a wall is 16 inches on center. This is marked in red on many tape measures. Many tape measures will have 1 foot marks every 12 inches. This eliminates the need to convert inches to feet yourself. Some have special markings every 3 feet as well.