Example: Say you're measuring the width of your smartphone, and it comes up to the fifth line after 4 cm on your ruler. The left side of the line where the object ends will be its measurement in inches. On a metric ruler, each small mark (line) represents a mm. Ruler Measurement Worksheets in Inches. The distance between them is equal to 1 centimeter. So I got online and asked Cortana for her help, and she lead me to your site. the .5 on the 55.5 would equal 1/2. ", "I have had to see this a couple times to really get it, but now it's stuck! No wonder I, "A magnified visual descriptions accompanied by easy-to-understand explanation of these images. wikiHow is where trusted research and expert knowledge come together. The bigger lines with the numbers make up the centimeters. Now then, here's what a typical metric ruler looks like: You can tell that this is a metric ruler because it’s divided into 30 equally spaced sections and has "cm" written on it (ignore the inches below). I really, "I've always being weak in math, and I've learned a lot today. This would mean that the cloth is 10 1/4 (10.25) inches long. Each line represents 1 millimeter, which is equal to 1/10 or 0.1 cm (so 10 mm make up 1 cm). If you are trying to teach your child how to read and to measure with a ruler, you might find it difficult to measure to the tenths of an inch. ", idea, but right now I can even teach the measurements. ", find this article helpful, I had to save it so I can return to it, as I will be studying it each day. Thank you. Last Updated: November 30, 2020 ", "This helped me because we are doing a lot with rulers in my robotics class. To create this article, 49 people, some anonymous, worked to edit and improve it over time. The space between the lines is 1/16 inch which is smallest measurable part. ", "This information helps me because I can learn a lot here especially when you do not know what those are. ", parts of a measuring tape. Decimal Rulers utilizing inches normally have marks or graduations of 0.1" (1/10") and 0.01" (1/100)", some rulers may also have 0.020" (1/50") graduations. Thanks to wikiHow article I am able to finish my project. It almost always has the second-longest marking (after the one-inch marks). Therefore, the first line past the big number (for instance 25) will represent 25.1cm or 251mm. I finally got it from your tutorial after all of these years. Why there is a space at the beginning of a ruler? * When reading a ruler, the first thing to consider is in what measurement system you would like it to be. This way the line thickness will not affect the measurement. How to Read an Imperial Ruler. Or what if you wanted to frame a photo you have? Let’s start by looking at how to read a ruler in inches. The middle-length line on a metric ruler is the 1/2 (0.5) centimeter line, which comes midway between every centimeter (in other words, it's the fifth line after every whole centimeter): So if you counted five lines from 9 cm, for instance, you’d get 9.5 cm (or 95 mm). Make sure you read the ruler from left to right. Though the machinist ruler may appear to be very much like other rulers, the number of increments between inches or centimeters allow it to be read with a much higher degree of accuracy than standard rulers which don't feature as many increments. A ruler that is 36 inches long is called a yard stick. Check out our detailed guide and you'll be on your way to understanding this ancient numerical system! There will be one half-inch mark between each one-inch mark, but there are two half-inches per inch. In the metric system, the meter is the the standard unit for measurement. We’ll also provide you with some helpful resources you can use to keep honing your ruler-reading skills. Digital calipers are simple to read. Each 1-inch line is labeled with a number indicating what inch it is on the ruler (as the image above shows). I know more now about a ruler or tape measure than I ever have before. [1] Like 1/8, 1/4, 3/8, 1/2, 5/8, 3/4, 7/8. For example, if you wanted to make something out of construction paper, you'd likely need to use a ruler to measure out how much of the material you would need. ", "Very clear and precise article to learn to understand both inch and metric rulers. Thanks to all authors for creating a page that has been read 2,215,882 times. The ruler comes to the seventh line past 3 inches. A machinist ruler is an important piece of equipment for mechanics and others who need exacting measurements. Step 2: Cut & Double- Halves. The above ruler to scale is effectively a life size ruler and can both be used as an online 12 inch ruler (online ruler inches: shows how to read a ruler in inches) or when printed as a printable centimetre ruler. In the drawing below, we show a ruler with graduations or marks of 0.1" (1/10") and 0.01" (1/100"). Seeing it helps me, "I am learning how to make a book for myself. Each line (1 mm) on a metric ruler represents .10 … ", "This article helped me because the explanation was logically arranged.". In total, there are three different lengths of lines on a metric ruler. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. This article has been viewed 2,215,882 times. Each inch … inch marks are located, but we don't know what the marks between the 1 inch mark and the 2 inch mark mean or what they stand for. For example, you measure a flower stem and the end of the stem falls on the 11th line after the 5 inch mark. 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. Some rulers will also denote 1/2 inches with numbers, so make sure you are using the largest numbers with the longest lines as your inch markers. The standard English ruler, or Imperial ruler, is divided into inches. For example, if you measure a piece of paper and it ends on the 7th mark between the 24 and 25 centimeter mark, it means your object is 247mm, or 24.7cm, long. Each centimeter is labeled on the ruler (1-30). What measurement, in centimeters, is it showing? What SAT Target Score Should You Be Aiming For? It reads cm, and has more numbers. If you are measuring something, align it with the left side of the zero mark on the ruler. (Note that some rulers only go down to 1/8 inch lines, whereas others go down to 1/32 inch lines.). You find that your ruler comes to the second line after the 6-inch mark. Inches correspond to the imperial system, which is the main measuring system used in the US and a smattering of other countries. ", "The illustrations with pictures to help understand the written details. Take a look at the following English Rulers: A ruler marked in 4ths. The inch is the biggest unit on a ruler and is represented by the longest line. 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. Is 5.5 mm closer to a half inch or a quarter inch? If in inches mode, the far-left number before the decimal point is whole inches. I didn't, "How it was explained, the article mentioned it step by step, and explained everything from mm, cm, in. Then, taking measurements will be a breeze. Thank you! Each inch is broken down into 15 further divisions which equals 16 divisions in every inch. A ruler marked in 8ths. The marks are even numbers. To read a metric ruler to measure centimeters, look at the long lines on the ruler that are numbered 1-30, which are the centimeter marks. How to Read a Ruler (and Other Simple Tricks). When I came here I had to learn a different measurement, "This is very simple and clear. Use the bigger marks between two inch markings for half-inches. For example, 1+1/2, or 2+3/8. A standard ruler is 30 cm/12 inches long. Right away, you should be able to tell that this ruler uses inches, as it’s divided into 12 equally spaced areas (labeled 1-12), and we know there are 12 inches in a foot (ignore the cm below). Finally, the smallest unit on a ruler is 1/16 inch. So many measurements, yikes! Example: Say you decide to measure the length of a corn on the cob. Our expert guides will teach you how to convert decimals to fractions and how to add and subtract fractions. A quarter inch. Check out our top-rated graduate blogs here: © PrepScholar 2013-2018. 6 mm is almost a quarter inch, whereas half an inch looks closer to 12-13 mm, so 5.5 would be close to a quarter of an inch. The 1/2-inch line is located midway between every inch on a ruler. Learning to read a ruler takes practice, especially converting the numbers in the measurements. For example, to measure 0.6 cm, count one thick line (5 mm) and one thin line (1 mm). Get an inch ruler. Make sure you always use the correct side of the ruler for the task at hand. Thanks for the great lessons on how to read a ruler. Therefore, 55.5 is equal to 55 1/2 which is 1/4" larger than 55 1/4. The third-biggest lines on a ruler are the 1/4 inch lines, which appear midway between the 1/2 inch and whole inch lines: If you counted in 1/4 inches on a ruler, you'd see that the fourth line after 0 inches equals 1/4 inch, the eighth line equals 2/4 (1/2) inch, and the 12th line equals 3/4 inch. The strand comes to the ninth line after 16 cm on the ruler. For example, you measure a button and the edge ends on the fifth line right between the 1 and 2 centimeter marks. How long is the pair of glasses. Sometimes I'm confused. Ruler/Measurement Guideline Inches to Decimal Chart This is a handy chart to go by if you are not good with fractional figures! Standard rulers are 12 inches and are usually marked with a number at each of the inch intervals. Ten lines or millimeters make up a centimeter. For instance, the half inch mark is usually the longest, followed by the quarter and eighth inch. Ask below and we'll reply! You'll know it's an inch ruler because it will have 12 lines that denote inches on the ruler. For example, 1/2 a centimeter is written as 0.5 cm. You'll know it's an inch ruler because it will have 12 lines that denote inches on the ruler. The flower stem is 5 and 11/16 inches long. And the last one 1/32 inches ruler divided by 32 verticle lines. What does it mean when mm is shown just beside the 0 in a ruler? Reading a metric ruler worksheet answers. Each foot is broken down into inches. The 1/8 lines are found midway between each 1/4-inch line: If you counted in 1/8-inch increments, you'd find that the second line after 0 equals 1/8 inch, the fourth line 2/8 (1/4) inch, the sixth line 3/8 inch, the eighth line 4/8 (2/4 or 1/2) inch, the 10th line 5/8 inch, the 12th line 6/8 (3/4) inch, and the 14th line 7/8 inch. We all know where the 1, 2, 3 etc. The ruler is read from left to right. The left side of the line where the object ends will be its measurement in centimeters. Look at the image above. For example, place the ruler against a pencil with the eraser at the far left of the ruler. ", the tic marks. 12 inches equals 1 foot (0.305 m). Reading a ruler is really simple once you know what you're doing. If you want any extra assistance with learning how to read a ruler in cm or inches, videos and worksheets can be excellent resources. …issues. Our new student and parent forum, at ExpertHub.PrepScholar.com, allow you to interact with your peers and the PrepScholar staff. I have learned more from this relative to what I was taught in class! A measurement to select will appear above the ruler image. Thank you, I will keep studying. If a ruler has 12 major divisions then it is an imperial or English ruler. A standard ruler is 12 inches or 1 foot long. Very easy to understand and learn how to use each measurement. 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. You’re measuring a pair of glasses, from the end of one lens to the far end of the other lens. In this case, you might have to measure the picture to see what kind of frame it would fit in. 12 inches equals 1 foot (0.305 m). In school I'm in a masonry class and I was having problems reading and remembering all of, "I came from another country that uses a metric system. We'll walk you through the basics of each type of ruler. You need: That's it! Make sure you read the ruler from left to right. This clear breakdown for ruler dummies was, "I need to learn how to read a ruler for the job I may be getting. These typically aren't labeled but might be on some rulers (in which case you'd see numbers such as 1 1/2 in, 2 1/2 in, etc.). 3: The imperial ruler is used for taking measurements most often in the United States. Each small line represents 1mm. Practice problems include determining the measurement marked in a given example. Locate the corresponding scale on the architectural ruler, i.e. Each part consist of the 16 lines which are also parted equally. ", want to ask my husband for help, I wanted to figure it out on my own. The truth is that there are tons of moments in life when you’ll need to know how to read a ruler. What is 55.5? ", have had such conundrums with measurements. Step 4 Align the edge of the ruler (using the side with the "1/4" marking at … All rights reserved. See Picture 1. This would mean that your finger is 3 7/16 inches long. ACT Writing: 15 Tips to Raise Your Essay Score, How to Get Into Harvard and the Ivy League, Is the ACT easier than the SAT? 2: To start, let’s take a look at the imperial ruler. Why are there five holes in my 12" ruler? Your button is 1.5cm long. Here are two easy-to-follow videos to further help you learn how to read a ruler: If you’d rather test out your ruler-reading knowledge with practice questions, then it’s a great idea to download free measurement worksheets from these math sites: All of these resources, in addition to the handful of practice questions we gave you above, should be enough to get you reading a ruler in no time at all! So with this alongside a, "Very helpful and informative. ", centimeter to inch converter, it has really helped. For example, if you measure a carrot and the tip falls on the line halfway between the 6 1/2 and 7 inch lines, the carrot is 6 and 3/4 inches long. The numbers to the right of the decimal represent tenths, hundredths and thousandths, respectively. You might see inches on the other side of your metric ruler. "I was a little confused in the beginning but then I got my answer, so that was cool, thank you. These are the smallest lines on the ruler, that is, the ones that come between the whole centimeter and 1/2 centimeters: Example: You’re measuring the length of a strand of hair. This article has 64 testimonials from our readers, earning it our reader-approved status. , from the end of one lens to the far end of the other lens. In 1/8 inches ruler one inches divided by 8 verticl lines In 1/16 inches ruler one inches divided by 16 verticle lines. Each inch is broken down into 15 smaller marks, equaling 16 marks in total for each inch on the ruler. It’s pretty obvious that knowing how to read a ruler is important to not just your grades in school but also your day-to-day life. Unlike with the English ruler, the measurements for the metric ruler are written in decimals instead of fractions. My granddaughter and, "I have always had trouble reading a ruler, but this article really broke it down for me in a way I understood and, "The pictures really helped because I'm a visual learner and I also have a photographic memory. The smallest unit a metric ruler can measure is 1 mm, or 0.1 cm. I am feeling stumped by this. There are five different lengths of lines in total. Where can I find the centimeter markers on a ruler? READING A RULER Ruler Scales: 1/4” INCHES APPE LEFT 8ths Scale: Each inch is divided into 8 parts and the smallest division is 1/8 of an inch. Look at the image above. (8 divided … The second-biggest unit on a ruler is the 1/2 inch, which is represented by the second-longest line. English rulers, are much more difficult to read. Example: If you were to measure the width (instead of length) of a piece of computer paper, the piece should come up exactly to the 1/2 inch line between 8 and 9 inches, indicating that the width is 8 1/2 (8.5) inches. Your ruler reaches the seventh line past 12 cm. It is important to be as accurate as possible when reading your gauge. Each worksheet has five rulers on it corresponding to five measurement problems to be completed. Mostly because they deal with fractions, which are a bit more dificult to learn. This article is so useful for me. The midpoint between 7 and 8 inches, for instance, would be 7 1/2 (or 7.5) inches. Meanwhile, centimeters are part of the metric system, which is used around the world in both everyday life and science. 7/8 is smaller than 1 inch. Ranging from 1 inch to 1/16 of an inch, the lines decrease in size as the unit of measurement does. By using this service, some information may be shared with YouTube. For tips on how to count the smaller lines and figure out how many millimeters you're working with, read on! Each foot is broken down into inches. The centimeters side is usually the part of the ruler where the markers are shorter and closer together. The 5 Strategies You Must Be Using to Improve 4+ ACT Points, How to Get a Perfect 36 ACT, by a Perfect Scorer. The problem for most people is the little lines between the inch marks! This would mean the strand is 16.9 cm long (that’s 16 cm + 9 mm). Each of these tiny lines represents a fraction of an inch. wikiHow marks an article as reader-approved once it receives enough positive feedback. Without measuring devices like rulers (and people who can read them) we would still be living in caves. We use cookies to make wikiHow great. 16ths Scale: Each inch is divided into 16 parts and the smallest division is 1/16 of an inch. Inches… The longest lines on a ruler or tape measure represent the inch markings — for example, 1 inch, 2 inches, 3 inches… Higher quality rulers are often made of non-elastic materials like steel or aluminum, and their markings start without any space. Each inch is divided into 16 lines, meaning that the space between each line is 1/16 inch long—this is the smallest length you can measure with a ruler. The 5 Strategies You Must Be Using to Improve 160+ SAT Points, How to Get a Perfect 1600, by a Perfect Scorer, Free Complete Official SAT Practice Tests. It's in the middle between the 7th and 8th millimeter lines in a centimeter. Each inch is broken down into 15 smaller marks, equaling 16 marks in total for each inch on the ruler. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/3b\/Read-a-Ruler-Step-1-Version-5.jpg\/v4-460px-Read-a-Ruler-Step-1-Version-5.jpg","bigUrl":"\/images\/thumb\/3\/3b\/Read-a-Ruler-Step-1-Version-5.jpg\/aid2762382-v4-728px-Read-a-Ruler-Step-1-Version-5.jpg","smallWidth":460,"smallHeight":259,"bigWidth":"728","bigHeight":"410","licensing":"

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