7/20/2023 0 Comments Measurements on a rulerLonger rulers, e.g., 18 in (46 cm), are necessary in some cases. Shorter rulers are convenient for keeping in a pocket. 12 in or 30 cm in length is useful for a ruler to be kept on a desk to help in drawing. Metal is used for more durable rulers for use in the workshop sometimes a metal edge is embedded into a wooden desk ruler to preserve the edge when used for straight-line cutting. Plastics have also been used since they were invented they can be molded with length markings instead of being scribed. Rulers have long been made from different materials and in multiple sizes. Since much technical work is now done on computer, many software programs implement virtual rulers to help the user estimate virtual distances.īronze ruler. Rulers are ubiquitous in the engineering and construction industries, often in the form of a tape measure, and are used for making and reading technical drawings. At the high school level rulers are often used as straightedges for geometric constructions in Euclidean geometry. Children learn basic use of rulers at the elementary school level and are often part of a student's school supplies. Their ability to quickly and easily measure lengths makes them important to textile industry and to retailers where amounts of string, fabric, and paper goods can be cut to size. They are crucially important tools in the design and construction of buildings. They are commonly made from metal, wood, fabric, paper, and plastic. Rulers have been used since ancient times. Specialty rulers exist that have flexible edges that retain a chosen shape and these find use in sewing, arts, and crafts. Some rulers such as cloth or paper tape measures are non-rigid. Commonly the instrument is rigid and the edge itself is a straightedge ("ruled straightedge") which additionally allows one to draw straight lines. I hope you found these free printable rulers useful! They are a quick and easy alternative for when you don’t have a physical ruler on hand.A ruler in combination with a letter scaleĪ ruler, sometimes called a rule, line gauge, or scale, is an instrument used to make distance measurements whereby a user estimates a distance by reading from a series of markings called "rules" along an edge of the device. If you don’t just want a disposable ruler, you can easily laminate them or print them on thick cardstock to make them more durable. Just because these are paper rulers doesn’t mean they are a one-time-use ruler. You can use these centimeter and inch rulers for sewing projects too. Use a ruler print out at home or in your classroom to help kids and young children with their studies, math, craft activities, and much more. I recommend printing the paper rulers on a nice cardstock for sturdiness and durability. Click Properties and set the Page Size to Letter or A4 (depending on what paper you use).Make sure the Page Scaling is set to None.To print the paper rulers, there are a few print settings you will need to be aware of first.Īs accuracy is the key factor when printing these ruler templates, you will need to make sure your printer setup is correct for printing. Print Ruler 12 inches and 30 centimeters – A4 To save any of our printable paper rulers, simply click on the ruler you want and save it to your computer or click the PDF link underneath. See printing instructions below for help with printing correctly for accurate measurements. Printable RulersĮach ruler is available in both US letter and A4 sizes and comes as a PNG and PDF file. We have options for rulers to be printed then cut out, or folded options where you simply just print out then fold the page for an accurate ruler. You will find that our rulers have centimeters (cm) and millimeters (mm) on one side and inches (in) on the other side. Our printable rulers are actual size so if you’re looking for a metric ruler of 12-Inch or 30 centimeters then this is what you need. If you need an accurate ruler quickly then these rulers are free and easy to use. Our printable rulers follow the metric system so you will find a collection of standard rulers such as centimeter rulers and inch measurements. Just print for an accurate easy-to-use ruler whenever you need to measure something. Use this printable ruler to measure things when you don’t have a physical ruler available.
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