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SQL Server SQMILES Function

Updated 2023-11-08 20:59:36.497000

Description

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

Syntax

SELECT [westclintech].[wct].[SQMILES] (
  <@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 Type

float

Remarks

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

column 1column 2
acres0.00152625
square inches2.49098E-10
square feet3.58701E-08
square yards3.22831E-07
square miles1
square meters3.86102E-07
hectares0.003861022

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

Examples

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

Here is the result set.

column 1
3.22830578512397E-05