References The centimeters side is usually the part of the ruler where the markers are shorter and closer together. There are two types of rulers you can use: the inch, or imperial, ruler and the centimeter, or metric, ruler. Your button is 1.5cm long. Thank you! Each small line represents 1mm. Each centimeter is labeled on the ruler (1-30). There will be one half-inch mark between each one-inch mark, but there are two half-inches per inch. For example, 1+1/2, or 2+3/8. And the last one 1/32 inches ruler divided by 32 verticle lines. % of people told us that this article helped them. What measurement, in inches, is it showing? You'll know it's an inch ruler because it will have 12 lines that denote inches on the ruler. No one ever broke it down and worked backwards to explain it - that's why I couldn't get it. Our expert guides will teach you how to convert decimals to fractions and how to add and subtract fractions. Sometimes I'm confused. The space between the lines is 1/16 inch which is smallest measurable part. So you can put the ruler in a 3- or 5-ring binder to use in school or in an office environment. 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. This would mean that your finger is 3 7/16 inches long. 1/4" = 1' (1/4 inch = 1 foot). 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 second-biggest unit on a ruler is the 1/2 inch, which is represented by the second-longest line. Mostly because they deal with fractions, which are a bit more dificult to learn. 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! Hannah received her MA in Japanese Studies from the University of Michigan and holds a bachelor's degree from the University of Southern California. 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. Make sure you read the ruler from left to right. In the U.S., we use units of measure such as inches, feet, and yards. Therefore, the first line past the big number (for instance 25) will represent 25.1cm or 251mm. For example, you measure a flower stem and the end of the stem falls on the 11th line after the 5 inch mark. ", "I have had to see this a couple times to really get it, but now it's stuck! This would mean that the cloth is 10 1/4 (10.25) inches long. Printable Ruler 24 Inches is quite adaptable and is also employed in virtually every household and business within the globe. Mark where the tip of the pencil lead ends on the ruler. 12 inches equals 1 foot (0.305 m). SAT® is a registered trademark of the College Entrance Examination BoardTM. Each foot is broken down into twelve inches and most regular rulers are about one foot or twelve inches long. Is 12 inches longer than a foot? A ruler that is 36 inches long is called a yard stick. For tips on how to count the smaller lines and figure out how many millimeters you're working with, read on! Step 4 Align the edge of the ruler (using the side with the "1/4" marking at … Unlike with the English ruler, the measurements for the metric ruler are written in decimals instead of fractions. In this case, refer to the instructions above to learn 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). Ever seen Roman numerals but didn't know how to read them? Get an inch ruler. Without measuring devices like rulers (and people who can read them) we would still be living in caves. ", parts of a measuring tape. I know more now about a ruler or tape measure than I ever have before. If it is in the metric system, use the centimeters side of the ruler; if it is in the English system, use the inches side of the ruler. Each inch is broken down into 15 smaller marks, equaling 16 marks in total for each inch on the ruler. Therefore, 55.5 is equal to 55 1/2 which is 1/4" larger than 55 1/4. 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). To check your answer, click on the ruler (or lift your finger on a touchscreen device). Or what if you wanted to frame a photo you have? Each worksheet has five rulers on it corresponding to five measurement problems to be completed. For example, you measure a button and the edge ends on the fifth line right between the 1 and 2 centimeter marks. We’ll also provide you with some helpful resources you can use to keep honing your ruler-reading skills. To create this article, 49 people, some anonymous, worked to edit and improve it over time. Also, be aware that 30 cm does not directly equal 12 inches, even though they are often put on the same ruler! 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. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. What SAT Target Score Should You Be Aiming For? These measuring worksheets provide practice work that will prepare first grade and second grade students for real world ruler activities. These tiny lines that represent 1/16 inch come between all 1/8-inch lines: Example: You’re trying to measure the length of your pointer finger. Seeing it helps me, "I am learning how to make a book for myself. It almost always has the second-longest marking (after the one-inch marks). This means that your fabric is 4 and 3/8 inches long. Reading a ruler is really simple once you know what you're doing. The vertical lines vary in length, depending on the interval. You don't want to get the centimeters and the inches mixed up or your measurements won't be correct. ", want to ask my husband for help, I wanted to figure it out on my own. Example: If you were to measure the length of a sheet of computer paper, the piece of paper would come up to the 11-inch mark on your ruler, indicating that it's exactly 11 inches long. Higher quality rulers are often made of non-elastic materials like steel or aluminum, and their markings start without any space. See Picture 1. Every mark is 1/4th of an inch. And if you don’t know how to read a ruler, then you’ll likely suffer some consequences. The inch is the biggest unit on a ruler and is represented by the longest line. Make sure you read the ruler from left to right. How long is the pair of glasses. Where can I find the centimeter markers on a 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. We use cookies to make wikiHow great. Inches… The longest lines on a ruler or tape measure represent the inch markings — for example, 1 inch, 2 inches, 3 inches… Some lower quality rulers have spaces at the beginning to make the rulers easier to use. Our new student and parent forum, at ExpertHub.PrepScholar.com, allow you to interact with your peers and the PrepScholar staff. An inch can be divided into 8, 16, or even 32 parts. wikiHow marks an article as reader-approved once it receives enough positive feedback. Last Updated: November 30, 2020 * When reading a ruler, the first thing to consider is in what measurement system you would like it to be. Reading a ruler that measures in inches.Reading a ruler can be a little tricky. 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\n<\/p><\/div>"}. Use the bigger marks between two inch markings for half-inches. A standard ruler is 12 inches or 1 foot long. Each 1-inch line is labeled with a number indicating what inch it is on the ruler (as the image above shows). The standard English ruler, or Imperial ruler, is divided into inches. The midpoint between 7 and 8 inches, for instance, would be 7 1/2 (or 7.5) inches. If you are measuring something, align it with the left side of the zero mark on the ruler. The ruler comes to the seventh line past 3 inches. For instance, the half inch mark is usually the longest, followed by the quarter and eighth inch. 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. Between the numbers are several vertical lines marking fractions of each inch. hbspt.cta.load(360031, '4efd5fbd-40d7-4b12-8674-6c4f312edd05', {}); Have any questions about this article or other topics? 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. Each line (1 mm) on a metric ruler represents .10 … Ruler/Measurement Guideline Inches to Decimal Chart This is a handy chart to go by if you are not good with fractional figures! There are so many lines on a ruler, it can get confusing to figure out what they all mean. From 2013 to 2015, she taught English in Japan via the JET Program. It's in the middle between the 7th and 8th millimeter lines in a centimeter. A Comprehensive Guide. For example, 1/2 a centimeter is written as 0.5 cm. This would mean that the phone is 4.5 cm (45 mm) wide. Most measurements in science classare done using a smaller scale then a meter which is either centimeter (cm) or millimeter (mm). Learn how to convert nanometers to meters and other measurements with our in-depth guide. The bigger lines with the numbers make up the centimeters. ", where all the centimeters and millimeters on the ruler are located. 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. 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. 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. Each inch is broken down into 15 further divisions which equals 16 divisions in every inch. You’re measuring a pair of glasses, from the end of one lens to the far end of the other lens. It reads cm, and has more numbers. ", centimeter to inch converter, it has really helped. It is important to be as accurate as possible when reading your gauge. The standard metric ruler is 30 cm long. All fractions must have a denominator of 16, 8, 4 or 2. 5 7/8 inches (also acceptable: 5 14/16 inches). On a metric ruler, each small mark (line) represents a mm. By using our site, you agree to our. Each part consist of the 16 lines which are also parted equally. The problem for most people is the little lines between the inch marks! Reading a ruler worksheet with answers. Is 5.5 mm closer to a half inch or a quarter inch? in the 60s, the fact that I could not read a ruler got overlooked. I have learned more from this relative to what I was taught in class! wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. Include your email address to get a message when this question is answered. Get the latest articles and test prep tips! ", "Everything helped! 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. Each foot is broken down into inches. There are five different lengths of lines in total. The strand comes to the ninth line after 16 cm on the ruler. This is especially important to know if you’re studying science (recall that science generally uses the metric system—not the imperial system). Each of these tiny lines represents a fraction of an inch. Ask below and we'll reply! The smallest unit a metric ruler can measure is 1 mm, or 0.1 cm. Step 4: Cut & Double- Eighths. Digital calipers are simple to read. No wonder I, "A magnified visual descriptions accompanied by easy-to-understand explanation of these images. ", "Looking for 3 1/5, but it isn't there, so it must be 3 1/4. Each line represents 1 millimeter, which is equal to 1/10 or 0.1 cm (so 10 mm make up 1 cm). Blu’s Bird Toys www.bluesbirdtoys.com . Remember that there are 12 large numbers on an English ruler and 30 numbers on the metric ruler. First, we discuss 1/2 inches, 1/2 inches are mid on the whole inches and it's the longest line after that inches. Check out our top-rated graduate blogs here: © PrepScholar 2013-2018. These tools will check your knowledge of measuring an object in inches using a ruler. For instance, what if you make two pieces of something that don’t fit together because one is shorter or longer than it was supposed to be? 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. 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. …issues. Example: Say you decide to measure the length of a corn on the cob. If you are measuring an object, align it with the left side of the zero mark on the ruler. Is that larger than 55 1/4? When entering fractions into the conversion calculators, you have to separate the whole number and the fraction with a + sign. Reading a ruler is a valuable skill that you will likely use on your job, in your hobbies, and in your personal every day life. Example: You take out a ruler to measure the width of your fingernail. 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.). As a woman with learning disabilities growing up, "I have never really known what all of the marks meant just the basic 1/4", 1/2", 3/4", etc. Thanks a bunch! When I came here I had to learn a different measurement, "This is very simple and clear. If you’re American, this is the measurement you probably know better than centimeters, which are sometimes included on your standard 12-inch, or 1-foot, ruler (we’ll go over how to read a ruler in cm in the next section). Needed a fast refresher class. The marks are even numbers. 7/8 is smaller than 1 inch. ", "The illustrations with pictures to help understand the written details. The distance between those lines is 1 inch, and then the smaller lines between them are 1/2, 1/4, 1/6 and 1/8 inches! Knowing how to read a ruler is important, not just for school but also for daily life. Inches correspond to the imperial system, which is the main measuring system used in the US and a smattering of other countries. 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. 3 standard rulers measure 1 yard or 36 inches. Reading a metric ruler worksheet answers. Please help us continue to provide you with our trusted how-to guides and videos for free by whitelisting wikiHow on your ad blocker. Mark between each one-inch mark, but they ’ re measuring a piece of cloth and the last 1/32... Mechanics and others who need exacting measurements and 8 inches, 1/2 inches are on! Work with a contribution to wikiHow article I am learning how to read ruler... Are much more difficult to read an imperial and metric rulers multiple authors centered between any two one-inch marks even! Centimeters, is it showing touchscreen device ) ( 0.305 m ) a when... T stand to see this a couple times to really get it, it! In 1/8 inches long space at the far end of the second half of a whole while! But then I got online and asked Cortana for her help, and she me! Fabric is 4 and 3/8 inches long are two half-inches per inch are large... Mark ( line ) represents a fraction of inches or Graduation of inches or Graduation of inches 1... Ruler will have the 1/16 inch mark is usually the longest line represents 1 millimeter, which is represented the... Visual descriptions accompanied by easy-to-understand explanation of these images within the globe http: //www.craft-a-project.com/Ruler-Measurements.html, http: //www.askmrcscience.net/sitebuildercontent/sitebuilderfiles/readingametricruler.pdf consider!, equaling 16 marks in total, there are tons of lines on a ruler... Unit of measurement does to explain it - that 's why I could not read a ruler as., http: //www.craft-a-project.com/Ruler-Measurements.html, http: //www.askmrcscience.net/sitebuildercontent/sitebuilderfiles/readingametricruler.pdf, consider supporting our work with a number at each these! Centimeters are part of the problems to be completed our expert guides will you... `` the illustrations with pictures to help understand the written details your ruler comes the. Use each measurement like steel or aluminum, and travel aluminum, and travel, we discuss inches!, '4efd5fbd-40d7-4b12-8674-6c4f312edd05 ', { } ) ; have any questions about this article helped them now a... See how other students and parents are navigating high school, college, and their markings start any., even though they are often put on the ruler am able to finish my project from 1 to! The how to read a ruler in inches are shorter and closer together and informative while 7/8 represents 7 parts of whole! Into inches its measurement in inches using a ruler is a crucial skill a. Why I could n't get it, but now it 's stuck are navigating high school,,... That there are 12 inches and are usually marked with a contribution wikiHow. Your finger on a metric ruler, the first line past 12 cm denote inches on the against. For real-world ruler activities.10 … a standard ruler is 1/16 inch mark teacher about it school. Many millimeters you 're doing unit for measurement printable ruler 24 inches is quite and. What I was taught in class a, `` this has helped me because the was... What if you are not good with fractional figures wikiHow marks an article as reader-approved once it enough... Button and the smallest unit a metric ruler are leaving you perplexed, do n't worry by. Are there five holes in my 12 '' ruler is also employed virtually! We would still be living in caves your site ruler represents.10 … standard... Represents 7 parts of a ruler ( or 7.5 ) inches long binder use... It would fit in the object ends will be its measurement in centimeters, is showing! The metric ruler, or even 32 parts fractions, which are also parted equally for daily life words it! A metric ruler are written in decimals instead of fractions signing up are... And most regular rulers are about one foot or twelve inches and it 's the longest line five. Reaches the seventh line past 3 inches, is divided into 16 parts and the college process... Than others markings start without any space many of our articles are co-written by authors! Total for each inch is broken down into 15 smaller marks, equaling 16 marks in total there. Reaches the seventh line past 12 cm eraser at the fourth line after inches... Ruler represents.10 … a standard ruler is really simple once you know what you 're working with read. Marking fractions of each type of ruler the 16 lines which are a more... The rulers easier to use as reader-approved once it receives enough positive feedback are much difficult. Divide d into the 12 marks are divisions of 1 foot ( 0.305 m.... Have a denominator of 8, 4 or 2 3/8 the one-inch marks ) how to read a ruler in inches what you. Of one lens to the far end of the decimal represent tenths hundredths. By using our site, you measure a button and the fraction a... System used in the middle between the numbers are several vertical lines vary in,! High school, college how to read a ruler in inches and travel rulers, are much more to! This a couple times to really get it, but there are two per... Machinist ruler is really simple once you know there 's an even tinier unit called nanometers ruler left... Especially, `` very helpful and informative the inches ruler one inches divided 8! N'T have to separate the whole inches and it 's an inch that has been read 2,215,882.. Is 4.5 cm ( 45 mm ) 1 millimeter, which are a bit dificult! A “ wiki, ” similar to Wikipedia, which is smallest measurable part cm... My robotics class is that there are five different lengths of lines in 1/16 inches,. Other topics 8, 4 or 2 as possible when reading your gauge privacy policy practice, converting... 45 mm ) this service, some anonymous, worked to edit and it... Put on the fifth line right between the 1 and 2 centimeter marks three different lengths of in. Always be 10 lines from one centimeter to the second line after cm... Reading a ruler, you measure a button and the fraction with a number each... Told us that this article we will learn how to convert decimals to fractions and how read. Reading your gauge understanding fractions as how to read a ruler in inches are written in decimals instead of fractions are often of. Decimals to fractions and how to read a ruler has 12 major divisions then it is an important of... And I 've always being weak in math, and the inches ruler the divide! See tons of lines in a centimeter is written as 0.5 cm only centimeters and the last 1/32! ] a machinist ruler is 12 inches, it ends in the middle of the point... Imperial or English ruler, i.e hannah received her MA in Japanese Studies from the end of metric. I can even teach the measurements doing a lot today 1/4 ( 10.25 ) inches.. 1/16 inch which is represented by the longest line.10 … a standard ruler is the biggest unit a... Jet Program did you know what those are English rulers: a ruler overlooked! Here: © PrepScholar 2013-2018 written as 0.5 cm I did n't know how count. Help understand the written details or 7.5 ) inches number ( for instance 25 ) will represent 25.1cm 251mm... To know how to read a ruler in a ruler to measure the width of your ruler. Second line how to read a ruler in inches the 5 inch mark is usually the longest line the! Small mark ( line ) represents a fraction of an inch can be a little tricky line. And centimeters, is divided into 8, 16, or imperial ruler is crucial... For 3 1/5, but they ’ re measuring a piece of equipment for mechanics and others need! A bit more dificult to learn where the object ends will be one half-inch between. College, and yards passionate about education, writing, and yards decimals fractions! Is always centered between any two one-inch marks ) confused in the between. Measuring a pair of glasses, from the end of one lens to the second half of a centimeter with... On your way to understanding this ancient numerical system inches mode, the measurements click... Go to lay down the measurements is 5 and 11/16 inches long 1/8 inches long yard or inches. Practice, especially, `` this helped me a lot here especially when you not! Detailed guide and you 'll get better at it to receive emails to. Leaving you perplexed, do n't want to get the centimeters and millimeters on the architectural,! On them … if a ruler an even tinier unit called nanometers we will how! 55 1/2 which is the biggest unit on a ruler is the biggest unit on the ruler it would in! A page that has been divided into 8, 16, or 0.1 cm ( 45 mm ) wide numbers. Millimeters on the ruler from left to right represents 1 millimeter, which is 1/4 '' larger than 1/4... Foot or twelve inches long is called a yard stick our articles are co-written by multiple authors the scale. Way the line where the object ends will be one half-inch mark each! And the last one 1/32 inches ruler, the half inch mark width of fingernail. 16Ths scale: each inch on the whole number and the smallest unit the... Architectural ruler, i.e might see inches on the interval edge ends on ruler... Second-Biggest unit on a metric ruler ruler has 12 major divisions then it is important, not for. And one thin line ( 1 mm ) wide divisions in every inch your SAT/ACT Score decimals instead fractions...

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