FahrenheitToKelvin(fahrenheit)
Last updated September 17, 2001
Version: 1 | Requires: ColdFusion 5 | Library: ScienceLib
Description:
Converts degrees Fahrenheit to Degrees Kelvin. Note that the Kelvin temperature scale has an absolute zero (negative Kelvin temperatures do not exist). If a temperature below -459.67 Fahrenheit (absolute 0) is passed, the funciton returns -1.
Return Values:
Returns a float.
Example:
<CFOUTPUT>
Given f=#f#<BR>
#f# degrees Fahrenheit = #FahrenheitToKelvin(f)# degrees Kelvin.
</CFOUTPUT>
Parameters:
| Name | Description | Required |
|---|---|---|
| fahrenheit | Degrees fahrenheit you want converted to degrees Kelvin. | Yes |
Full UDF Source:
<cfscript>
/**
* Converts degrees Fahrenheit to Degrees Kelvin.
* Minor enhancements by Rob Brooks-Bilson (rbils@amkor.com).
*
* @param fahrenheit Degrees fahrenheit you want converted to degrees Kelvin.
* @return Returns a float.
* @author Tony Blackmon (rbils@amkor.comfluid@sc.rr.com)
* @version 1.0, September 17, 2001
*/
function FahrenheitToKelvin(fahrenheit)
{
if (fahrenheit lt -459.67)
Return -1;
else
Return (fahrenheit + 459.67)/1.8;
}
</cfscript>
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