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Download as PDF; Printable version ... The template takes a three-digit Flight level number and converts it into feet and meters ... → FL200 (20,000 ft; 6,100 m ...
≡ 185.2 m cable length (US) ≡ 720 ft = 219.456 m chain (Gunter's; Surveyor's) ch ≡ 66 ft (US) ≡ 4 rods [3] ≈ 20.116 84 m: cubit (H) ≡ Distance from fingers to elbow ≈ 18 in ≈ 0.5 m ell (H) ell ≡ 45 in [4] (In England usually) = 1.143 m fathom: ftm ≡ 6 ft [4] = 1.8288 m femtometre: fm ≡ 1 × 10 −15 m: ≡ 1 × 10 −15 m ...
In practice the "warship fathom" of exactly 6 feet (1.8 m) was used in Britain and the United States. [11] No conflict between the definitions existed in practice, [ citation needed ] since depths on imperial nautical charts were indicated in feet if less than 30 feet (9.1 m) and in fathoms for depths greater than that.
Therefore, a pressure altitude of 32,000 ft (9,800 m) is referred to as "flight level 320". In metre altitudes the format is Flight Level xx000 metres. Flight levels are usually designated in writing as FLxxx, where xxx is a two- or three-digit number indicating the pressure altitude in units of 100 feet (30 m). In radio communications, FL290 ...
The basic unit of length in the imperial and U.S. customary systems is the yard, defined as exactly 0.9144 m by international treaty in 1959. [2] [5] Common imperial units and U.S. customary units of length include: [6] thou or mil (1 ⁄ 1000 of an inch) inch (25.4 mm) foot (12 inches, 0.3048 m) yard (3 feet, 0.9144 m)
The template is intended for conversion of heights specified in either metres or in feet and inches. Template parameters [Edit template data] Parameter Description Type Status Metres m metre metres meter meters The height in metres. Do not use if feet and inches are specified. Number optional Centimetres cm centimetre centimetres centimeter centimeters The height in centimetres. Do not use if ...
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Metric units are units based on the metre, gram or second and decimal (power of ten) multiples or sub-multiples of these. According to Schadow and McDonald, [ 1 ] metric units, in general, are those units "defined 'in the spirit' of the metric system, that emerged in late 18th century France and was rapidly adopted by scientists and engineers.