rIP2rSI Use this component to convert R-Values in IP (h·ft2·°F/BTU) to R-Values in SI (K·m2/W) to plug into any of the Honeybee material components. Inputs R_IP [Required] A R-Value in IP (h·ft2·°F/BTU). Outputs R_SI The R-Value in SI (K·m2/W). Check Hydra Example Files for rIP2rSI