HECTARES
Updated: 01 December 2008
Use HECTARES to convert from acres, hectares, square feet, square inches, square meters, square miles, or square yards to hectares.
Syntax
SELECT [westclintech].[wct].[HECTARES] (
<@Area, float,>
,<@From_scale, nvarchar(4000),>)
Arguments
@Area
is any real number. @Area 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 @Area. @From_scale must be a valid value as specified in area 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 area units of measure into hectares:
|
acres
|
0.404685642
|
|
square inches
|
6.4516E-08
|
|
square feet
|
9.2903E-06
|
|
square yards
|
8.36127E-05
|
|
square miles
|
258.999811
|
|
square meters
|
0.0001
|
|
hectares
|
1
|
· Conversion of meters includes all the standard prefixes with kilo representing 1,000 and yocto representing 10E-24.
Example
select wct.HECTARES(100, 'yd^2')
Here is the result set
----------------------
0.0083612736
(1 row(s) affected)