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1.0 perch (17 ft; 5.0 m) fathom: fathom (none) assumes 1 fathom ≡ 6 ft 1.0 fathom (6.0 ft; 1.8 m) yard: yd yd assumes the international definition 1.0 yd (0.91 m) yd m; foot: ft (foot) ft long code "foot" outputs foot (and never feet) Use of ′ and ″ symbols violates MOSNUM so is not provided. To convert from feet and inches use {{convert ...
The Greek foot (πούς, pous) had a length of 1 / 600 of a stadion, [12] one stadion being about 181.2 m (594 ft); [13] therefore a foot was, at the time, about 302 mm (11.9 in). Its exact size varied from city to city and could range between 270 mm (10.6 in) and 350 mm (13.8 in), but lengths used for temple construction appear to ...
The decimetre (SI symbol: dm) is a unit of length in the metric system equal to 10 −1 metres ( 1 / 10 m = 0.1 m). To help compare different orders of magnitude , this section lists lengths between 10 centimeters and 100 centimeters (10 −1 meter and 1 meter).
A decametre (International spelling as used by the International Bureau of Weights and Measures and by most English speaking countries, [1] [2] United States spelling dekameter or decameter [3] [4]), symbol dam ("da" for the SI prefix deca-, [1] "m" for the SI unit metre), is a unit of length in the International System of Units (SI) equal to ten metres.
= 6.116 438 863 872 m 3: cubic foot: ft 3: ≡ 1 ft × 1 ft × 1 ft ≡ 0.028 316 846 592 m 3: cubic inch: in 3: ≡ 1 in × 1 in × 1 in ≡ 16.387 064 × 10 −6 m 3: cubic metre (SI unit) m 3: ≡ 1 m × 1 m × 1 m ≡ 1 m 3: cubic mile: cu mi ≡ 1 mi × 1 mi × 1 mi ≡ 4 168 181 825.440 579 584 m 3: cubic yard: yd 3: ≡ 27 cu ft ≡ 0. ...
A value in decimal degrees to 5 decimal places is precise to 1.11 metres (3 ft 8 in) at the equator. Elevation also introduces a small error: at 6,378 metres (20,925 ft) elevation, the radius and surface distance is increased by 0.001 or 0.1%.
[1] The common non-SI metric unit of volume, the litre, is defined as one cubic decimetre, although, from 1901 to 1964, there was a slight difference between the two due to the litre being defined using the kilogram rather than the metre. Markings of a ship's draft are shown in decimeters in most of the world.
The original is a unit of energy, equal to the energy in one mole (1 mol) of photons. The second is a unit of amount of photons, equal to one mole (1 mol) of photons. The rayleigh (R) is a unit of photon flux rate density equal to 10 10 m −2 ⋅s −1 (10 4 mm −2 ⋅s −1).