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List of conversion factors. ... ≡ 0.3048 m ≡ 1 ⁄ 3 yd ≡ 12 inches ≡ 0.3048 m ... 1 ⁄ 100 of the energy required to warm one gram of air-free water from 0 ...
ftin (feet/inches) ft m (foot m) hand: hand h 1.0 h (4 in; 10 cm) inch: in in Use of ′ and ″ symbols violates MOSNUM so is not provided. 1.0 in (25 mm) in cm; in mm; Maritime units: nautical mile: nmi nmi the international standard nautical mile 1.0 nmi (1.9 km; 1.2 mi) nautical mile: oldUKnmi (admiralty nmi) nmi 6080 ft the pre-1970 ...
The table below lists units supported by {{convert}}. More complete lists are linked for each dimension. For a complete list of all dimensions, see full list of units. {{Convert}} uses unit-codes, which are similar to, but not necessarily exactly the same as, the usual written abbreviation for a given unit. These unit-codes are displayed in ...
When using "hand in" to convert to hands and inches, the rounded hands and inches values are equivalent, and use the same fraction, if any. Special rounding of the inches value only occurs when "hand in" is the output.
Planck units is system of geometrized units in which the reduced Planck constant is included in the list of defining constants. It is based on only properties of free space rather than of any object or particle. Stoney units is a system of geometrized units in which the Coulomb constant and the elementary charge are included.
Height of the Salto Angel, the world's highest free-falling waterfall 10 3: 1 kilometer 2.3 km Length of the Three Gorges Dam, the largest dam in the world [34] [35] 3.1 km Narrowest width of the Strait of Messina, separating Italy and Sicily: 8.848 km Height of Mount Everest, the highest mountain on Earth 10 4: 10 km: 10.9 km
A ruler, depicting two customary units of length, the centimeter and the inch. A unit of length refers to any arbitrarily chosen and accepted reference standard for measurement of length. The most common units in modern use are the metric units, used in every country globally. In the United States the U.S. customary units are also in use.
The NIST document gives conversion factors correct to 7 places. Factors in bold are exact. If exact factors have more than 7 places, they are rounded and no longer exact. This convert module replaces these rounded figures with the exact figures. For example, the NIST document has 1 square mile = 2.589 988 E+06 square meters.