TPOUNDS
 
Updated: 01 December 2008 
Use TPOUNDS to convert from drams, grains, grams, hundredweights, ounces, pennyweights, pounds, stones, tonnes, tons, troy pounds, or troy ounces to troy pounds.
Syntax
SELECT [westclintech].[wct].[TPOUNDS] (
  <@Weight, float,>
 ,<@From_scale, nvarchar(4000),>)
Arguments
@Weight
is any real number. @Weight 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 @Weight. @From_scale must be a valid value as specified in weight 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 weight units of measure into troy pounds:
    
        
            | grains | 0.00017361111 | 
        
            | drams | 0.00474717881666667 | 
        
            | ounces avoirdupois | 0.075954861083300 | 
        
            | pounds avoirdupois | 1.215277775 | 
        
            | stones | 17.01388885 | 
        
            | hundredweights | 121.5277775 | 
        
            | tons | 2430.55555 | 
        
            | pennyweights | 0.004166667 | 
        
            | ounces troy | 0.083333333 | 
        
            | pounds troy | 1 | 
        
            | grams | 0.00267922888333300 | 
        
            | tonnes | 2679.22888333300 | 
    
 
·         Conversion of grams includes all the standard prefixes with kilo representing 1,000 and yocto representing 10E-24.
Example
 
select wct.TPOUNDS(100, 'lbs')
Here is the result set
----------------------
121.5277775
 
(1 row(s) affected)