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A ruler is often used to measure length. Length is a two-dimensional measurement as to how long an object is, how tall an object is or how far apart objects are. The most common units used to measure length include feet, yards, miles, centimeters, meters or kilometers.


The simple second has a complex origin: it is measured as "the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium 133 atom," according to the National Institute of Standards and Technology. This highly


The length of a leg can be measured using radiography or by using a tape measure to determine the length between two predetermined points while the person is standing. The measurement method is chosen depending on the degree of accuracy needed.


The simplest way to measure an archer's ideal draw length is to divide arm span by 2.5 and round down. This is because proper archery form requires the bow arm to be almost fully extended and the string arm brought to the center of the body at full draw.


In geometry, length refers to the longest dimension of a two- or three-dimensional object. The other dimensions are height and width. Length may also refer to the duration of an event or passage of time. In some instances, length is used to compare the size of two or more objects.


Measurements of length, width and height are used to find the volume of a solid figure. Volume is measured in cubic units, because three values are being multiplied to arrive at the final figure.


To measure the sleeve length of a shirt, measure from the center of the back of the collar to the end of the cuff. If you want to find your own sleeve measurement, measure from the point at which your neck meets your shoulder to the palm of your hand.


To measure stride length, mark a distance on the ground and walk it a few times, counting the number of strides (two steps). Stride length is equal to the distance divided by the number of strides.


To convert a length of one meter into common English system measurements such as feet, multiply by 3.28; to convert into inches, multiply by 39.37; and to convert into yards, multiply by 1.09. To convert one meter into common nautical units such as fathoms, multiply by 0.54; to convert to leagues, m


The length and width of a 50-inch television depends on the space devoted to the bezel, but a 50-inch wide-screen with a 16:9 aspect ratio measures 43.58 inches wide and 24.51 inches high. A standard-width 4:3 aspect ratio screen measures 40 inches wide and 30 inches high.