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SQL Server SQMETERS Function

Updated 2023-11-08 20:58:47.940000

Description

Use the scalar function SQMETERS to convert from acres, hectares, square feet, square inches, square meters, square miles, or square yards to square meters.

Syntax

SELECT [westclintech].[wct].[SQMETERS] (
  <@Area, float,>
 ,<@From_scale, nvarchar(4000),>
 ,<@To_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.

@To_scale

is the description of the units for that @Area is to be converted into. @To_scale must be a valid value as specified in area unit representations. In addition to square meters, @To_scale  can be square decimeters, square centimeters, square millimeters, square micrometers, square nanometers, square picometers, square femtometers, square attometers, square zeptometers, square yoctometers, square decameters, square hectometers, or square kilometers .@To_scale must be of a data type that is implicitly convertible to varchar.

Return Type

float

Remarks

The following table is a representation of the conversion of one of the area units of measure into square meters:

column 1column 2
acres4046.85642
square inches0.00064516
square feet0.09290304
square yards0.83612736
square miles2589998.11
square meters1
hectares10000

Conversion of meters includes all the standard prefixes with kilo representing 1,000 and yocto representing 10E-24.

Examples

select wct.SQMETERS(100, 'yd^2', 'm^2');

Here is the result set

----------------------
             83.612736