Add helpers for converting to and from Fahrenheit

Content.Shared/Utility/TemperatureHelpers.cs

@@ -9,9 +9,31 @@ namespace Content.Shared.Utility
             return celsius + PhysicalConstants.ZERO_CELCIUS;
         }
 
+        public static float CelsiusToFahrenheit(float celsius)
+        {
+            return celsius * 9 / 5 + 32;
+        }
+
         public static float KelvinToCelsius(float kelvin)
         {
             return kelvin - PhysicalConstants.ZERO_CELCIUS;
         }
+
+        public static float KelvinToFahrenheit(float kelvin)
+        {
+            var celsius = KelvinToCelsius(kelvin);
+            return CelsiusToFahrenheit(celsius);
+        }
+
+        public static float FahrenheitToCelsius(float fahrenheit)
+        {
+            return (fahrenheit - 32) * 5 / 9;
+        }
+
+        public static float FahrenheitToKelvin(float fahrenheit)
+        {
+            var celsius = FahrenheitToCelsius(fahrenheit);
+            return CelsiusToKelvin(celsius);
+        }
     }
 }