How do you use a machinist ruler?

How do you use a machinist ruler?

How to Read a Machinist Ruler

  1. Place your machinist ruler into position next to whatever it is that you need to measure.
  2. Check to make sure that the measuring system that you wish to use is closest to the item that you wish to measure.
  3. Read the measurement on the machinist ruler.

How do you read decimals on a ruler?

Simply count the number of spaces between graduations or marks contained within a single inch. If there are 10 the smallest graduation or mark is 1/10” or 0.1” as a decimal. If there are 100 the smallest graduation or mark is 1/100″ or 0.01″ as a decimal, etc.

Where is .66 on a ruler?

Where is . 66 inches on a ruler? Most rulers are not calibrated in hundredths of an inch. . 66″ is 2/3 of an inch, which is a little more than halfway from the mark for a half-inch and the mark for 3/4 of an inch.

Do you know how to read a ruler?

While it may seem to be a very basic skill, being able to read a ruler is the foundation to just about any project you make by hand or even with a Shopbot! Reading a metric ruler is pretty simple- no fractions, everything converts nicely in factors of 10, and its pretty straight forward.

How do you count 3/4 on a ruler?

Here’s where it gets a little different. There are TWO unlabeled marks on the ruler. We are going to count them off in quarters- the first mark being 1/4, the second mark would be 2/4, but it’s already labeled as 1/2, and the 3rd mark will be labeled as 3/4. Count by 1/4’ths- 1/4, 2/4, 3/4, 4/4.

What does the legend on the ruler below mean?

The ruler below has a legend of 100 which indicates that the smallest graduation or mark is 0.01″ (1/100″). If a ruler has no legend the smallest graduation of an inch will have to be calculated.

How do you mark a 1/2 inch on a ruler?

When we marked the 1/2 inch on our ruler, we CUT the inch in half, and DOUBLED the denominator of the previous fraction. See Picture 2 . For example, we cut the inch in half and made a mark.

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