CFLib.org – calculateBMI

calculateBMI(weightlbs, heightinches)

Last updated January 21, 2005

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Version: 1 | Requires: ColdFusion MX | Library: UtilityLib

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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:

view plain print about

<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:

	
	
			
			
			
				
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				ColdFISH is developed by Jason Delmore.  Source code and license information available at coldfish.riaforge.org.  Version 3.1.1
				
			<!---
 Calculates the Body Mass Index.
 
 @param weightlbs 	 Weight in pounds. (Required)
 @param heightinches 	 Height in inches. (Required)
 @return Returns a number. 
 @author Elyse Nielsen (&#69;&#108;&#121;&#115;&#101;&#64;&#97;&#110;&#116;&#105;&#99;&#108;&#117;&#101;&#46;&#110;&#101;&#116;) 
 @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>
		<!---
 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>