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calculateBMI(weightlbs, heightinches)

Last updated January 21, 2005

author

Elyse Nielsen

Version: 1 | Requires: CF6 | Library: UtilityLib

Description:
This function calculates the Body Mass Index based on Lbs and Inches. It receives 2 numeric arguments, one for weight in pounds, and another for height in inches.

Return Values:
Returns a number.

Example:

<cfset bmi = calculateBMI(140, 72)>
<cfoutput>#bmi#</cfoutput>

Parameters:

Name Description Required
weightlbs Weight in pounds. Yes
heightinches Height in inches. Yes

Full UDF Source:

<!---
 Calculates the Body Mass Index.
 
 @param weightlbs 	 Weight in pounds. (Required)
 @param heightinches 	 Height in inches. (Required)
 @return Returns a number. 
 @author Elyse Nielsen (Elyse@anticlue.net) 
 @version 1, April 14, 2005 
--->
<cffunction name="calculateBMI" returntype="numeric" hint="This function calculates an individuals Body Mass Index">
	<cfargument name="WeightLbs" type="numeric" required="yes" hint="The person's weight in pounds">
	<cfargument name="HeightInches" type="numeric" required="yes" hint="The person's height in inches">
	<cfset var HI2 = "">
	<cfset var WHI = "">
	<cfset var BMI = "">
	<cfset HI2 = HeightInches * HeightInches>
	<cfset WHI = WeightLbs / HI2>
	<cfset BMI = WHI * 703>
	<cfreturn decimalFormat(BMI)>
</cffunction>
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