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XLeratorDB/engineering Online Documentation

SQL Server function to convert length to nautical miles


NMILES
 
Updated: 01 December 2008 

Use NMILES to convert from fathoms, feet, furlongs, inches, meters, miles, nautical miles, pica, points, or yards to nautical miles.
Syntax
SELECT [westclintech].[wct].[NMILES] (
  <@Length, float,>
 ,<@From_scale, nvarchar(4000),>)
Arguments
@Length
is any real number. @Length is an expression of type float or of a type that can be implicitly converted to float
@From_scale
is the description of the units for @Length. @From_scale must be a valid value as specified in length unit representations@From_scale must be of a data type that is implicitly convertible to varchar.
 
Return Types
float
Remarks
·         The following table is a representation of the conversion of one of the length units of measure into nautical miles:
inches
0.0000137149028
feet
0.0001645788340
yards
0.0004937365010
meters
0.0005399568030
fathoms
0.0009874730020
furlongs
0.1086220300000
miles
0.8689762420000
nautical miles
1.0000000000000
pica
0.0000022858171
points
0.0000002
 
·         Conversion of meters includes all the standard prefixes with kilo representing 1,000 and yocto representing 10E-24.
Example
 
select wct.NMILES(100, 'yd')
Here is the result set
----------------------
0.0493736500719475
 
(1 row(s) affected)


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