#### Black diamond on measuring tape

## What is the Black Diamond on a tape measure?

Ever noticed the little black diamonds or triangles on your tape measure? The diamonds start at the 19.2 inches mark on the tape and can be utilized to help correctly space the floor trusses for a 4×8 T&G sub-floor with a span rating of 20” o.c. The black diamonds provide a visual cue to help you work faster.

## What is M on a measuring tape?

On many tapes (but by no means all) you will find a small red rectangle with the letter M printed inside followed by a number. The number simply denotes the year that the blade was stamped as conforming to the Measuring Instruments Directive. On the whole this will also be the year in which that tape was manufactured.

## Why is 16 red on a tape measure?

As you extend the tape measure, you’ll probably see the numbers 16, 32, 48, 64, 80, 96 and so forth in red. The red indicates 16-inch-on-center spacing. This is a common framing spacing for wall studs, floor joists and common roof rafters. The hook end of your tape measure is supposed to wiggle a little bit.

## Where is the 5/16 mark on a tape measure?

To read a tape measure find the number next to the large tick, and then find how many small ticks past it the measurement is. Add the number next to the large tick with the fraction to get the measurement. eg. if your 5 ticks past the number 4 tick then the measurement is 4 ^{5}⁄_{16}“.

## What is the tape measure trick?

Here is how the trick works. Pull out the tape measure and fold in half so that the metal end of the tape measure is lined up to the current year. Your tape measure should be doubled back on itself. Since it is 2011, you need to line up the end of the tape with 111. Next, find the year you were born.

## Why is a tape measure curved?

Have you ever wondered why the blade on your tape measure is curved? The concave design helps keep the blade rigid when extended. This curve allows the blade to “stand out” while measuring and helping you read the measurement.

## Can you measure your shoe size with a tape measure?

Measure the width of your foot by using your measuring tape or ruler to measure from the line on one side of your tracing, to the line on the other side. Again, be certain to find the closest mark that you can (for inches, use the closest 16th mark).

## What is the 8 foot rule?

It’s called the 8-foot rule. A leader at a manufacturing facility recently gave the direction to his leadership team to engage with their employees every time they come within eight feet of one of their employees. It’s a simple rule that is simply brilliant!

## How many mm go into a CM?

10 Millimeters

## What is a Class 1 tape measure?

Classes explained Class 1 rated tapes are the most accurate and an error of no more than ±1.1mm over a 10m length can be anticipated, where a steel tape is used with a pulling force of 50N at 20°.

## How accurate are tape measures?

The tape measures themselves are manufactured with varying degrees of quality, but as per NIST Handbook 44 (PDF), a six-foot-long tape used for commerce must be accurate to within 1/32 of an inch. As anyone who’s ever tried to build anything knows, our friend the humble tape measure is a useful tool.

## What does each line on a tape measure mean?

Similar to reading rulers, the large numbers on a standard tape measure are the inch marks. The number of lines between inch marks indicate the precision to which you can measure. In the case of an imperial tape measure, there are generally 16 marks to the inch, meaning you can measure up to 1/16 of an inch.

## How many 16ths are in an inch?

you will need a ruler or tape measure that can measure 1/16”. The shortest line is the 1/16” (one sixteenth of an inch) and there are eight of those. If you count the distance between the inch marks (one inch) you will find sixteen lines. This is because an inch is 16/16th of an inch long.

## What is 1/16 on a measuring tape?

The 1/16-inch mark is the absolute shortest line on the tape measure. It is also the first line that you will encounter after or before a whole-inch mark.