Saturday, July 4, 2009

How To Really Use The Basic Woodworking Ruler

By Ryan Henders

For novice woodworkers there are a multitude of things to learn when first getting into the hobby or business whatever the case may be. One of the simpler tasks may seem like reading a ruler. We all had to do it when we went to school right? For some us though that was a while back and we may be a bit rusty when it comes to basic math. It really is not all that difficult and it doesn?t take long to figure out once you get past the panic stage. This is the stage when you go to look for the measurement your pattern calls for and its not specifically marked on the ruler.

Ok so let?s go step by step regarding the markings of the basic ruler: ' - is for the feet markings " - is for the inches

We are going to be dealing with the standard US ruler here. This means that the ruler is going to be divided into inches and feet. In some other Countries, you will be dealing with the metric system. In those cases when your pattern is in US measurements then you have to do conversions. If you are not adept at this there are many conversion charts that you can take advantage of online.

Getting back to the basic ruler it is divided into twelve inches, which equals one foot. Where the confusion can set in is when you are trying to break down the inches. Unfortunately, many patterns don?t call for even numbers such as 5 inches or 7 inches. The pattern may be for 5 ? inches or 7 ? inches.

If you look at the ruler between the longest line starting at number one going over to the next longest line is marked number two. The distance between 1 and 2 is one inch. In between these two numbers, you are going to see several small lines. A quick way to help you remember the markings is to know that the longer the mark the bigger the measurement as you see where the one and two are and so forth? Now if you look in between these two numbers you will see the longest line which is at the half way mark, so this is a half inch. The next longest line after the half inch one is the quarter inch. Then after the quarter inch follows the one eighth inch then the last or the very shortest is the one sixteenth. Some rulers will go beyond this breaking it down even further but that?s not the standard.

Now if you were to count all of the lines between the one and two you will find there are 16 lines. So if you have a pattern that called 8/16 inches then you could simply count over 8 lines. However, another way of saying the same thing is ? inch, which is the same as the 8/16. Now you simply have to look at the half-inch mark rather than doing all that counting.

Those are the basics of using a simple 12-inch ruler. - 24585

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