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XLeratorDB/engineering Online Documentation

SQL Server function to convert speed to kilometers per hour


KMHR
 
Updated: 01 December 2008 

Use KMHR to convert from feet per hour, feet per minute, feet per second, inches per second, kilometers per hour, knots, miles per hour, miles per minute, miles per second, meters per second, meters per minute, or meters per hour to kilometers per hour.
Syntax
SELECT [westclintech].[wct].[KMHR] (
  <@Speed, float,>
 ,<@From_scale, nvarchar(4000),>)
Arguments
@Speed
is any real number. @Speed 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 @Speed. @From_scale must be a valid value as specified in speed 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 speed units of measure into kilometers per hour:
feet per hour
0.000305
feet per minute
0.018288
feet per second
1.09728
inches per second
0.09144
kilometers per hour
1
knots
1.852
miles per hour
1.609344
miles per minute
96.56064
miles per second
5793.638
meters per second
3.6
meters per minute
0.06
meters per hour
0.001
 
·         Conversion of meters includes all the standard prefixes with kilo representing 1,000 and yocto representing 10E-24.
Example
 
select wct.KMHR(10, 'm/s')
Here is the result set
----------------------
36
 
(1 row(s) affected)


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