I didn't even know that metric means reading from left to right. There is a little bit you need to know first. If you plan on measuring things that are small or you need to be extremely accurate, make sure the ruler you use has these marks. I am feeling stumped by this. You'll know it's an inch ruler because it will have 12 lines that denote inches on the ruler. By signing up you are agreeing to receive emails according to our privacy policy. The left side of the line where the object ends will be its measurement in centimeters. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. Your button is 1.5cm long. By using our site, you agree to our. Why are there five holes in my 12" ruler? The "zero" line on the ruler usually doesn't line up exactly with the edge of the ruler, so make sure you put that zero line even with one edge of what you're measuring. How to Read a Ruler. A ruler or a tape measure is a useful device to measure lengths. In that case, count centimeters up until the mark just before your measured object, then add in however many more millimeter marks it takes to reach the line you measured to. Make sure you read the ruler from left to right. That is how you read the millimeter rule. Make sure you always use the correct side of the ruler for the task at hand. Each small line represents 1mm. ", "For years, I couldn't quite get measurements on the ruler. Step 1 How many feet are in a standard ruler? If the one you’re using doesn’t, it’s safe to assume that the end of the ruler to the left of the “1” indicates “0mm.” 3 Multiply the centimeter measurement just before the end of your object by 10. How to read a metric ruler. Last Updated: January 7, 2021 To create this article, 50 people, some anonymous, worked to edit and improve it over time. Make sense of all those little lines and take advantage of its intended use. In the metric system, the meter is the the standard unit for measurement. In one part there are some vertical lines. I know more now about a ruler or tape measure than I ever have before. In other words, it ends in the middle of the second half of a centimeter. Before now I had very fair, "I make crafts and sometimes I don't have the appropriate ruler, this article helped me learn basically all the, "I'm working on my math and needing to use centimeters, but I only have an inch ruler. For example, you measure a piece of fabric and the edge falls on the 6th line after the 4 inch mark, which is directly in between the 1/4 of an inch mark and the 1/2 inch mark. On the most popular browsers you can press the F5 key or click on the refresh button. Most measurements in science classare done using a smaller scale then a meter which is either centimeter (cm) or millimeter (mm). architect's scale or engineer's scale. There will always be 10 lines from one centimeter to the next centimeter. ", "I have had to see this a couple times to really get it, but now it's stuck! Alternatively, to read an English ruler, start by looking for the inch lines, which are the longest lines on the ruler that are numbered 1-12. In total, there are three different lengths of lines on a metric ruler. It reads cm, and has more numbers. Bob and Sparky explain how to read a metric ruler. I'm very happy to have learned so much, especially, "This has helped me a lot. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. (Broken Link Removed) bobpursley. Why there is a space at the beginning of a ruler? The small lines between the larger, numbered lines represent millimeters. Just count by tens for each centimeter mark. Some of them, vernier and dial caliper, have the main and the second scale. One side measures 30 centimeters, and the other side of the ruler measures 12 inches. But some of the mm are in between the centimeters. How would I figure out what the answer is? Each line (1 mm) on a metric ruler represents .10 o… 12 inches equals 1 foot (0.305 m). For example, to measure 0.6 cm, count one thick line (5 mm) and one thin line (1 mm). interact with the simulator of ruler, line gauge or scale 1:100 in millimeter How to use the ruler or line gauge. The number of marks equals the object's measurement in millimeters. How to read Centimeter ruler? % of people told us that this article helped them. Which means that 12 inches long ruler divided into 12 equal parts. Not all rulers have “0”s printed on them. Wow! Thanks to all authors for creating a page that has been read 2,242,082 times. Now that the "zero" mark on your ruler is lined up with one edge of the object you're measuring, read along the ruler until you reach the far edge of the object being measured. Ranging from 1 inch to 1/16 of an inch, the lines decrease in size as the unit of measurement does. Ten lines or millimeters make up a centimeter. For tips on how to count the smaller lines and figure out how many millimeters you're working with, read on! ", http://www.craft-a-project.com/Ruler-Measurements.html, http://www.askmrcscience.net/sitebuildercontent/sitebuilderfiles/readingametricruler.pdf, consider supporting our work with a contribution to wikiHow. Knowing how to use and read the units of measure is a basic skill that has uses in various applications including building, manufacturing, creating objects such as furniture, and measuring for interiors. Make sure you read the ruler from left to right. We'll walk you through the basics of each type of ruler. Each inch is broken down into 15 smaller marks, equaling 16 marks in total for each inch on the ruler. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. Seeing it helps me, "I am learning how to make a book for myself. Reading a caliper is not rocket science, but not as easy as reading a ruler as well. Continue reading to understand the best way to use this essential tool in any undertaking you undertake. Include your email address to get a message when this question is answered. Thanks for the great lessons on how to read a ruler. I have learned more from this relative to what I was taught in class! Before you start lining your ruler up and measuring things, take a look at the numbers running down the sides. The center mark between numbers is 0.5cm or 5mm. The distance between numbered marks on that side will be shorter than on the inches side, and the numbered marks will go as high as 30, because there are approximately 30 centimeters in 12 inches (the length of the standard ruler). We use cookies to make wikiHow great. No wonder I, "A magnified visual descriptions accompanied by easy-to-understand explanation of these images. Reading a ruler is really simple once you know what you're doing. Therefore, 55.5 is equal to 55 1/2 which is 1/4" larger than 55 1/4. The individual lines between the numbers represent millimeters. Is 12 inches longer than a foot? This helps me out a great deal. 1 inch represents a whole, while 7/8 represents 7 parts of a whole (8 parts). The left side of the line where the object ends will be its measurement in inches. Lisa studied mathematics at the University of Alaska, Anchorage, and spent several years tutoring high school and university students through scary -- but fun! Approved. How wide is that suitcase? Start reading the ruler from the 0 mark. Some rulers have inches on one side and centimeters (metric system) on the other. MM to CM: convert millimeters(mm) to centimeters(cm), or centimeters to millimeters. This will result in an fit to scale & accurate ruler. ", "I used a ruler on my homework that asked me to measure something to the nearest 1/4 inch and this article helped, "This is the best explanation of reading a ruler I have ever read. ", "This is great! For example, place the ruler against a pencil with the eraser at the far left of the ruler. Your Response. Make sure you read the ruler from left to right. The flower stem is 5 and 11/16 inches long. Not every ruler will have the 1/16 inch mark. Millimeters are usually used to measure very small things. We knew that the standard inch ruler is 12 inches long or 1 foot long. Also features Bob speaking fluent French. If the pencil point ends at the shorter line halfway between the 4 and 5 inches marks, then your pencil is 4 and 1/2 inches long. Can utilize Decimal inch ruler because it will have the 1/16 inch mark lead ends on the ruler, centimeters. Correct side of the zero mark on the ruler from left to right on the ruler, centimeter the... And how to read a measuring tape or a ruler takes practice especially... Has really helped all those little lines and take advantage of its intended.... Length, inches, feet and yards.A standard ruler is 12 inches long ruler divided into equal... 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