![]() These may be made from a variety of materials, typically metal or clear plastic. Practical rulers have distance markings along their edges.Ī line gauge is a type of ruler used in the printing industry. Classically, long measuring rods were used for larger projects, now superseded by tape measure, surveyor's wheel or laser rangefinders.ĭesk rulers are used for three main purposes: to measure, to aid in drawing straight lines, and as a straight guide for cutting and scoring with a blade. Rigid wooden or plastic yardsticks, 1 yard long, and meter sticks, 1 meter long, are also used. Longer 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. →You cannot use “For Reference Only” content in any manner that entails advertising, marketing or commercialization of any product or service.įor Full Edition of Pikbest License Agreement, please click here to the Pikbest License page.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. →You cannot imply that the content is created or claimed to be the copyright of the artwork by you or someone other than the copyright holder of the Pikbest content. →You can only use an Item for lawful purposes. You can’tĬlaim trademark or service mark rights over an Item within the End Product created using that Item. →You cannot use the content in the Pikbest Content (totally or partially) in any trademark, logo or part of the same. →You cannot use the content in the Pikbest Content in printed or electronic items aimed to be resold. →You cannot resell, redistribute, access, share or transfer Pikbest Content. While privileges are different upon different user types, there are some restrictions which are applicable to all Pikbest users. The Pikbest Authorization differs upon different situations. Pikbest authorizes the User in a non-transferable, non-exclusive manner and on a worldwide basis for the duration of the relevant rights to download, use and modify the Pikbest Content, as expressly permitted by the applicable license and subject to this document.
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