This work is licensed under a Creative Commons Attribution 3.0 License.
My temperature conversion library for ASP and PHP allows you to convert temperature values between the following scales:
Though most of these scales are not in common use, I included them for the sake of completeness.
There are individual functions for converting between each scale, and a universal accessor function in case you need one or prefer one.
This work is licensed under a Creative Commons Attribution 3.0 License.