Quick Answer: What Is The Red Dot On A Tape Measure?

What is the little dot on a tape measure mean?

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 does a millimeter look like on a tape measure?

If you have a metric tape measure, the numbers should be read like this: The large, numbered markings are centimeters. There is a smaller marking exactly halfway between the centimeters for ease of reading. The smallest markings are millimeters, or one tenth of a centimeter.

How many 16ths are in an inch?

A ruler marked in 16ths. Every mark is 1/16th of an inch….How many 1 16ths are in an inch?FractionDecimalMillimeters5⁄16”0.31257.93753⁄8”0.3759.5252 more rows•May 21, 2020

Why does a tape measure have a diamond at 19 3 16?

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 our tape rule blades are for spacing these engineered floor joists in new construction.

What are the best tape measures?

Best Overall: Milwaukee Premium Magnetic Tape Measure. … Best Budget: Stanley 25-Foot by 1-Inch Measuring Tape. … Best Extra-Long: DeWalt 300-Foot Measuring Tape. … Best Digital: eTape16 Digital Tape Measure. … Best for Construction: General Tools 2-in-1 Laser Tape Measure.More items…•

What is 3 32 of an inch on a tape measure?

If the tape measure is only marked in 1/16 inches, count the number of 1/16 lines, multiply by two and add one if the length is half of the distance toward the next mark. For example, an object that is three lines beyond the 3-inch mark on a tape measure marked in thirty-seconds would be 3 and 3/32 inches long.

What does tape measure mean?

A tape measure or measuring tape is a flexible ruler used to measure size or distance. It consists of a ribbon of cloth, plastic, fibre glass, or metal strip with linear-measurement markings. It is a common measuring tool. … Surveyors use tape measures in lengths of over 100 m.

What are the markings on a tape measure?

On a standard tape measure, the biggest marking is the inch mark (which generally has the biggest number, if it has them). As the increments decrease, so does the length of the mark. For example, ½” has a bigger mark than ¼” which has a bigger mark than ⅛”, and so on. Read 1 inch.

How can I measure an inch without a ruler?

Pro (Thumb) Tip: How to Measure an Inch Without a Ruler The length between your thumb tip and the top knuckle of your thumb is roughly one inch. The next time you have a ruler handy, give it a quick measure to double-check.

How do you read a tailor tape measure in cm?

Converting lengths for sewing is simple using a tailor’s tape marked in both cm and inch. All you need to do is read the inch side corresponding to the number in centimeters. If we have to convert for example 66 cm into inches, looking at the image below we can see the result is 26 inches.

What is the 20 foot rule?

The 21 Foot Rule stems from the idea that by the time an officer or individual determines a deadly threat, draws his or her firearm and places two shots, an attacker has closed up to 21 feet between them, therefore reinforcing the idea that one should have their handgun drawn and ready to engage a target if they’re …

How do you read CM?

Between each centimeter (cm) mark, there should be 10 smaller marks called millimeters (mm). Make sure you read the ruler from left to right. If you are measuring an object, align it with the left side of the zero mark on the ruler. The left side of the line where the object ends will be its measurement in centimeters.

Why is a tape measure curved?

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

How many cm are in a ruler?

30 centimetersA standard ruler is 12-inches long and 30 centimeters in length.

What comes after 3 4 on a tape measure?

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 the inch mark.

What distance is a meter?

approximately 39.37 inchesMetre (m), also spelled meter, in measurement, fundamental unit of length in the metric system and in the International Systems of Units (SI). It is equal to approximately 39.37 inches in the British Imperial and United States Customary systems.

What is the 5 foot rule?

The 10 and 5 rule is a simple guideline that is widely used in the hospitality industry. The rule dictates that when a staff member is 10 feet from a guest, the staff smiles and makes direct eye contact, and when they are within five feet, the staff verbally greets the guest.

What is the difference between a measuring tape and a tape measure?

A measuring tape is typically a flexible tape used for measuring length, often between 2 meters or yards, and 100 feet or 30 meters. … A tape measure or measuring tape is a flexible ruler used to measure distance. It consists of a ribbon of cloth, plastic, fibre glass, or metal strip with linear-measurement markings.

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!

What does 4mm look like on a ruler?

Like the inches ruler, you’ll see tons of lines on a metric ruler, with some longer and some shorter. Each line represents 1 millimeter, which is equal to 1/10 or 0.1 cm (so 10 mm make up 1 cm)….How big is 2mm?MMApproximate Size In InchesExact Size In Inches3mm3/32 Inch0.11811 Inches4mm1/8 Inch0.15748 Inches2 more rows•Apr 11, 2020

What is the 21 foot rule?

In an effort to determine who is more likely to come out on top in a fight between a gun and an edged weapon, Tueller ran tests, showing that in the time it took for the officer to unholster a gun and shoot (about two seconds) a person with a knife can cover about 21 feet, or roughly six metres.

What is a Class 1 tape measure?

Class I rated tapes are the most accurate and an error of no more than ±1.1mm over a 10m length can be anticipated. … At Advent Tools we pride ourselves on being the specialists in precision measuring and our range of tape measures features both Class I and Class II.