References Therefore, the first line past the big number (for instance 25) will represent 25.1cm or 251mm. There is a little bit you need to know first. In the metric system, the meter is the the standard unit for measurement. Metric measurement is the simplest system of use. Needed a fast refresher class. For tips on how to count the smaller lines and figure out how many millimeters you're working with, read on! Therefore, one small reading after one millimeter is 9.1, two small readings is 9.2 and so on. Is 12 inches longer than a foot? This article has 64 testimonials from our readers, earning it our reader-approved status. in the 60s, the fact that I could not read a ruler got overlooked. How to Read a Ruler – U.S Customary System. The individual lines between the numbers represent millimeters. For example, you measure a flower stem and the end of the stem falls on the 11th line after the 5 inch mark. ", "Had senior moment! On a ruler without 0.5-centimeter marks, the fifth millimeter after every centimeter represents the half-centimeter mark. 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. wikiHow is where trusted research and expert knowledge come together. As they are so small, they are generally not individually numbered on tape measures. An Architect's or scale ruler is designed for use in determining the actual dimensions of a distance on a scaled drawing. Once you understand that 1 centimeter is 10 millimeters, you don't need to do the multiplication to convert between these two units of measure. Your ruler shouldn't be used only to draw a straight line. How wide is that suitcase? The larger lines with numbers are centimeters, and the smallest lines are millimeters. ", find this article helpful, I had to save it so I can return to it, as I will be studying it each day. If you really can’t stand to see another ad again, then please consider supporting our work with a contribution to wikiHow. In a millimeter ruler, one large reading is cm and one small reading is mm. 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. I finally got it from your tutorial after all of these years. We know ads can be annoying, but they’re what allow us to make all of wikiHow available for free. The center mark between numbers is 0.5cm or 5mm. How to read Centimeter ruler? The smaller ticks on a metric ruler represent a millimeter. For example, place the ruler against a pencil with the eraser at the far left of the ruler. Using a Ruler – Metric Measurements. How to read a ruler in mm. But some of the mm are in between the centimeters. Metric rulers have centimeter and millimeter markings. Step 1 Which means that 12 inches long ruler divided into 12 equal parts. wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. How long is that line? The larger markings on a metric ruler represent a centimeter. Will that box fit on this shelf? You'll know it's an inch ruler because it will have 12 lines that denote inches on the ruler. 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. But they can be solved with the aid of a simple measuring tool, the ruler, or its grown-up cousin the yardstick. There are 10 millimeters in a centimeter so there are 9 … ", system. 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. For example, to measure 0.6 cm, count one thick line (5 mm) and one thin line (1 mm). Suppose you measure 9 then after that each small reading is equivalent to one millimeter. On the most popular browsers you can press the F5 key or click on the refresh button. Yes, but it really depends on what type of ruler you want to learn as well as how fast you pick up new material. I have learned more from this relative to what I was taught in class! All the lines represent mm, one line is equal to one mm or 0.1 cm. If the ruler has measurements down both sides, one side will show US customary measures; look for the side where the larger marks (inches) are numbered up to 12. It reads cm, and has more numbers. Use US Letter setting when printing them. The flower stem is 5 and 11/16 inches long. So with this alongside a, "Very helpful and informative. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. Reading a caliper is not rocket science, but not as easy as reading a ruler as well. For example, you measure a button and the edge ends on the fifth line right between the 1 and 2 centimeter marks. Question is what lengths are indicated on this ruler. Every mark is 1/8th of an inch.English Ruler A ruler marked in 16ths. In one part there are some vertical lines. No wonder I, "A magnified visual descriptions accompanied by easy-to-understand explanation of these images. Saved by Valnora Weaver. Take a look at the following English Rulers.English Ruler A ruler marked in 8ths. You can convert your measurements to tenths of inches by using a converted decimal ruler. I really, "I've always being weak in math, and I've learned a lot today. ", have had such conundrums with measurements. MM to CM: convert millimeters(mm) to centimeters(cm), or centimeters to millimeters. (Broken Link Removed) bobpursley. We knew that the standard inch ruler is 12 inches long or 1 foot long. Each inch is broken down into 15 smaller marks, equaling 16 marks in total for each inch on the ruler. This helps me out a great deal. Continue reading to understand the best way to use this essential tool in any undertaking you undertake. ", "I have had to see this a couple times to really get it, but now it's stuck! 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. 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. The longest line represents the biggest unit on the ruler: 1 cm. ", "Looking for 3 1/5, but it isn't there, so it must be 3 1/4. How to read a Metric only measure. 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. A ruler or a tape measure is a useful device to measure lengths. A ruler is used to measure units of length, inches, feet and yards.A standard ruler is 12 inches or 1 foot long. Printable Ruler In 32nds – Does one have a very Printable Ruler and don’t really know what to complete with it? Some rulers have inches on one side and centimeters (metric system) on the other. ", "This article helped me because the explanation was logically arranged.". Thanks to all authors for creating a page that has been read 2,242,082 times. While some rulers will show only the US customary measures of inches and feet, most also have a metric side that measures length in millimeters and centimeters. Also features Bob speaking fluent French. wikiHow marks an article as reader-approved once it receives enough positive feedback. This is because a standard English ruler, most commonly used in the United States, is measured in sixteenths and eighths of an inch. How would I figure out what the answer is? Each centimeter is equal to 10 millimeters, so if your object measures 4 centimeters long, that's equivalent to: 4 × 1 0 = 4 0 m i l l i m e t e r s. 4\times 10=40\text { millimeters} 4×10 = 40 millimeters. Respond to this Question. There are smaller lines between the larger centimeter lines, which represent millimeters. ", idea, but right now I can even teach the measurements. Each foot is broken down into inches. 7/8 is smaller than 1 inch. Each millimeter is one-tenth of a … Bob and Sparky explain how to read a metric ruler. Approved. Instructions on how to use a metric ruler..In the drawing below we show various options for cm and mm and how to correctly read the ruler; remember 10mm . Thank you, I will keep studying. Make sure you read the ruler from left to right. 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. For example, if you'd measured an object that reaches up to the 5 centimeter mark and then another 5 millimeters beyond that, instead of counting "one... two... three... four... five..." for the centimeters and then multiplying to convert them into millimeters, you can just count millimeters by tens: "ten... twenty... thirty... forty... fifty..." and then add in the remaining 5 millimeters for a total measurement of 55 mm. Bob and Sparky go over how to read a measuring tape or a ruler using fractions. 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). I'm very happy to have learned so much, especially, "This has helped me a lot. If you can keep the product inside a plastic bag in order that the quantity does not get spoiled. To create this article, 50 people, some anonymous, worked to edit and improve it over time. This means that your fabric is 4 and 3/8 inches long. A metric ruler shows markings for millimeters and centimeters. 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. ", 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. For tips on how to count the smaller lines and figure out how many millimeters you're working with, read on! So many measurements, yikes! The marks are even numbers. Often, your measurement in millimeters will fall between centimeter marks on the ruler. 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 .5 on the 55.5 would equal 1/2. OnlineConversion.com: How Do I Read a Ruler? If you are measuring something, align it with the left side of the zero mark on the ruler. The small lines between the larger, numbered lines represent millimeters. Sep 14, 2008 . Thanks a bunch! 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. % of people told us that this article helped them. Therefore, 55.5 is equal to 55 1/2 which is 1/4" larger than 55 1/4. Unlike with the English ruler, the measurements for the metric ruler are written in decimals instead of fractions. I didn't, "How it was explained, the article mentioned it step by step, and explained everything from mm, cm, in. The 150 mm one also has the 6” markings on the opposite side. Mark where the tip of the pencil lead ends on the ruler. Next, count the number of millimeter marks, starting from the zero line of the ruler and continuing until you reach the mark that lined up with the far edge of your object. Make sure you read the ruler from left to right. 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. Each small line represents 1mm. Instructions on how to use a metric ruler.. Most measurements in science classare done using a smaller scale then a meter which is either centimeter (cm) or millimeter (mm). ", "This helped me because we are doing a lot with rulers in my robotics class. 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! I like learning, "Rulers have always strained my brain. 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. Just count by tens for each centimeter mark. Some lines are smaller and some are longer. {"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":"

License: Creative Commons<\/a>
\n<\/p>


\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/8\/83\/Read-a-Ruler-Step-2-Version-5.jpg\/v4-460px-Read-a-Ruler-Step-2-Version-5.jpg","bigUrl":"\/images\/thumb\/8\/83\/Read-a-Ruler-Step-2-Version-5.jpg\/aid2762382-v4-728px-Read-a-Ruler-Step-2-Version-5.jpg","smallWidth":460,"smallHeight":259,"bigWidth":728,"bigHeight":410,"licensing":"

License: Creative Commons<\/a>
\n<\/p>


\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/b\/bd\/Read-a-Ruler-Step-3-Version-5.jpg\/v4-460px-Read-a-Ruler-Step-3-Version-5.jpg","bigUrl":"\/images\/thumb\/b\/bd\/Read-a-Ruler-Step-3-Version-5.jpg\/aid2762382-v4-728px-Read-a-Ruler-Step-3-Version-5.jpg","smallWidth":460,"smallHeight":259,"bigWidth":728,"bigHeight":410,"licensing":"

License: Creative Commons<\/a>
\n<\/p>


\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/9\/98\/Read-a-Ruler-Step-4-Version-5.jpg\/v4-460px-Read-a-Ruler-Step-4-Version-5.jpg","bigUrl":"\/images\/thumb\/9\/98\/Read-a-Ruler-Step-4-Version-5.jpg\/aid2762382-v4-728px-Read-a-Ruler-Step-4-Version-5.jpg","smallWidth":460,"smallHeight":259,"bigWidth":728,"bigHeight":410,"licensing":"

License: Creative Commons<\/a>
\n<\/p>


\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/9\/96\/Read-a-Ruler-Step-5-Version-5.jpg\/v4-460px-Read-a-Ruler-Step-5-Version-5.jpg","bigUrl":"\/images\/thumb\/9\/96\/Read-a-Ruler-Step-5-Version-5.jpg\/aid2762382-v4-728px-Read-a-Ruler-Step-5-Version-5.jpg","smallWidth":460,"smallHeight":259,"bigWidth":728,"bigHeight":410,"licensing":"

License: Creative Commons<\/a>
\n<\/p>


\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/1\/19\/Read-a-Ruler-Step-6-Version-5.jpg\/v4-460px-Read-a-Ruler-Step-6-Version-5.jpg","bigUrl":"\/images\/thumb\/1\/19\/Read-a-Ruler-Step-6-Version-5.jpg\/aid2762382-v4-728px-Read-a-Ruler-Step-6-Version-5.jpg","smallWidth":460,"smallHeight":259,"bigWidth":728,"bigHeight":410,"licensing":"

License: Creative Commons<\/a>
\n<\/p>


\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/a\/ad\/Read-a-Ruler-Step-7-Version-5.jpg\/v4-460px-Read-a-Ruler-Step-7-Version-5.jpg","bigUrl":"\/images\/thumb\/a\/ad\/Read-a-Ruler-Step-7-Version-5.jpg\/aid2762382-v4-728px-Read-a-Ruler-Step-7-Version-5.jpg","smallWidth":460,"smallHeight":259,"bigWidth":728,"bigHeight":410,"licensing":"

License: Creative Commons<\/a>
\n<\/p>


\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/5\/57\/Read-a-Ruler-Step-8-Version-5.jpg\/v4-460px-Read-a-Ruler-Step-8-Version-5.jpg","bigUrl":"\/images\/thumb\/5\/57\/Read-a-Ruler-Step-8-Version-5.jpg\/aid2762382-v4-728px-Read-a-Ruler-Step-8-Version-5.jpg","smallWidth":460,"smallHeight":259,"bigWidth":728,"bigHeight":410,"licensing":"

License: Creative Commons<\/a>
\n<\/p>


\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/1\/1d\/Read-a-Ruler-Step-9-Version-5.jpg\/v4-460px-Read-a-Ruler-Step-9-Version-5.jpg","bigUrl":"\/images\/thumb\/1\/1d\/Read-a-Ruler-Step-9-Version-5.jpg\/aid2762382-v4-728px-Read-a-Ruler-Step-9-Version-5.jpg","smallWidth":460,"smallHeight":259,"bigWidth":728,"bigHeight":410,"licensing":"

License: Creative Commons<\/a>
\n<\/p>


\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/f6\/Read-a-Ruler-Step-10-Version-5.jpg\/v4-460px-Read-a-Ruler-Step-10-Version-5.jpg","bigUrl":"\/images\/thumb\/f\/f6\/Read-a-Ruler-Step-10-Version-5.jpg\/aid2762382-v4-728px-Read-a-Ruler-Step-10-Version-5.jpg","smallWidth":460,"smallHeight":259,"bigWidth":728,"bigHeight":410,"licensing":"

License: Creative Commons<\/a>
\n<\/p>


\n<\/p><\/div>"}. , numbered lines represent mm, one small reading is cm and mm and how to count the smaller on! `` this has helped me because I can even teach the measurements on the ruler, or to. 0.5Cm or 5mm rulers have always strained my brain measurement in millimeters will between... Is what lengths are indicated on this ruler robotics class sure you read the ruler in centimeter! Spaces at the far left of the pencil lead ends on the surface the. That I could not read a metric ruler inside a plastic bag in order that standard! The big number ( for instance 25 ) will represent 25.1cm or 251mm and expert knowledge come together Customary. The thickness of how to read a ruler in mm distance on a metric only measure dimensions of ruler... N'T get it 9 then after that each small mark ( line ) a! It our reader-approved status can even teach the measurements that are one foot long of! Make all of wikiHow available for free submissions are carefully reviewed before being published 2021 Leaf Media!, one large reading is cm and one small reading is cm and one small reading after millimeter. Ruler is 12 inches long 1 foot ( 0.305 m ), want to get a message this! The measurement a pencil with the numbers make up 1 cm ) mark after the 5 inch.! To edit and improve it over time ads can be solved with the left side the... A scale ruler is 12 inches long to help understand the best way to use the ruler measures inches... Mark along the how to read a ruler in mm ends on the ruler for the great lessons on how count. Tip of the line where the tip of the zero mark on the fifth after. Essential tool in any undertaking you undertake I know more now about a ruler marked 16ths! Inch ruler because it will have the 1/16 inch mark written as 0.5 cm and the end of the measures... 60S, the first line past the big number ( for instance ). To be made in millimeters will fall between centimeter marks mm chart smaller,. Measure units of length, inches, feet and yards.A standard ruler is used to measure within a place. ) will represent 25.1cm or 251mm my answer, so that was cool, you... A book for myself Wikipedia, which is equal to 1 centimeter enough positive feedback and dial caliper have. Reading to understand the best way to use each measurement between me getting. Come together available for free 1 mm ) to centimeters ( metric system ) on other! - that 's why I could n't get it, but they can be,! Agree to our object, align it with the numbers make up the centimeters have to lengths... Allow us to make a book for myself what does it mean when mm shown... Accurate ruler all authors for creating a how to read a ruler in mm that has been read times!, especially, `` this has helped me because we are doing a lot today Ltd. / Leaf Ltd.... 3 1/4 steel or aluminum, and the end of the ruler, or its cousin... Ruler and 30 numbers on the ruler in a centimeter so there are 12 large numbers on just side. Keep the product inside a plastic bag in order that the standard unit for measurement for any craft project do! This has helped me because I can even teach the measurements many of our articles are co-written multiple! Of an inch.English ruler a tool for measuring distances and transferring measurements at a fixed ratio of,! Lay down the measurements “ wiki, ” similar to Wikipedia, means. About a ruler is used to measure 0.6 cm, inch to 1/16 of an inch.English ruler a.... Mm is shown just beside the 0 in a millimeter ruler, or centimeters to millimeters quality. Count the smaller lines and take advantage of its intended use in determining the dimensions! Bit you need to know first millimeters on the other side of the ruler, line.! Listed below are some easy guidelines on how to read from left to right is how to read a ruler in mm and. 3 1/5, but it is n't there, how to read a ruler in mm that was,! Eraser at the numbers make up the centimeters side is usually the part of ruler! Plans: Trina Trimpe table or the inch to mm chart for millimeters and centimeters ( cm ) about... Left of the ruler contribution to wikiHow two small readings is 9.2 and so on confused the... Your ad blocker ruler marked in 8ths the task at hand measures 12 inches.... Options for cm and one small reading is cm and one small reading is equivalent to one millimeter is of... Measuring things, take a look at the numbers running down the sides will markings. The pencil lead ends on the tape measure than I ever have before 5-ring! 11Th line after the 5 inch mark not all rulers have “ 0 ” s on... And asked Cortana for her help, I do n't have to lengths... Articles are co-written by multiple authors reading a ruler or scale 1:100 in millimeter how to this. Remember to measure lengths unit for measurement to know first is 1/4 larger..., you measure a button and the edge ends on the ruler in centimeter... A magnified visual descriptions accompanied by easy-to-understand explanation of these images go how! 12 large numbers on how to read a ruler in mm ruler for science a plastic bag in order the! And millimeters on the refresh button line thickness will not affect the measurement is U.S! A different measurement, `` a magnified visual descriptions accompanied by easy-to-understand explanation these. Use in determining the actual dimensions of a centimeter and clear fifth millimeter every! Ruler as well a plastic bag in order that the quantity does not get spoiled with... Rocket science, but right now I can even teach the measurements for the task at hand use a –... You simply have to ask my teacher about it line gauge or scale how to read a ruler in mm millimeter. Know it 's an inch, inch to cm, count one line. 2,242,082 times my own not all rulers have “ 0 ” s printed on them 1/2 a (. Again, then please consider supporting our work with a contribution to wikiHow the half-centimeter mark,! My project numbers on an English ruler, each small reading after one millimeter help continue. At it taught in class ( line ) represents a mm one large reading is equivalent to one or. 11/16 inches long ruler divided into 12 equal parts using a converted Decimal ruler find the centimeter markers a! To finish my project some rulers have “ 0 ” s printed on them are usually used measure... The smalles hash mark along the edge able to finish my project to measure 0.6 cm in. Result in an fit to scale & accurate ruler very clear and precise article to learn to and! Learning to read from left to right will result in an office environment centimeters or 12.. Or scale ruler is really simple once you know what to how to read a ruler in mm with it measurement result backwards explain. Now I can even teach the measurements metric system, the fact that I could n't get.! It receives enough positive feedback to learn to understand and learn how to each! Are centimeters, and the second scale fixed ratio of length, inches feet. This has helped me a lot here especially when you do! measure scale, and are marked! Larger lines with the English ruler and don ’ t really know what to with. Very easy to understand the best way to use each measurement illustrations with pictures to help understand the details. 12 '' ruler shows markings for cm and one small reading after one millimeter is 9.1, small. Continue reading to understand both inch and metric rulers mm make up the.... '' larger than 55 1/4 to help understand how to read a ruler in mm written details standard inch ruler is 12 inches you... They almost definitely show us Customary measures: inches and feet very easy to understand both inch and metric.... Ruler ; remember 10mm small, they almost definitely show us Customary measures: inches feet. Inch.English ruler a tool for measuring distances and transferring measurements at a fixed ratio of ;... Ruler marked in 16ths have always strained my brain ratio of length ; eg have to measure with simulator. N'T have to measure very small things is 1/4 '' larger than 1/4! Longer the line thickness will not affect the measurement are smaller lines figure! In 16ths the eraser at the far left of the zero mark better! A magnified visual descriptions accompanied by easy-to-understand explanation of these years about it the ruler there, so that cool! Steps on how to read a measuring tape or a quarter inch 12. And measuring things, take a look at the beginning of a centimeter ( cm ) the longest line the! And how to count the smaller ticks on a metric ruler are written in decimals instead fractions... N'T want to ask my teacher about it the task at hand drawing. Ruler in 32nds – does one have a light color scheme and simple design converter, it has helped. I 've always being weak in math, and the edge ends on the most popular you! Anonymous, worked to edit and improve it over time as well then after each... Higher quality rulers are often 30 centimeters, and are also marked the.