     }
 
     var imperialValues: [Dictionary<String, String>] {
-        return [["name": "US fluid Ounce", "abbreviation": "US fl.oz"],
+        return [["name": "US Teaspoon", "abbreviation": "US tsp"],
+                ["name": "US Tablespoon", "abbreviation": "US tbsp"],
+                ["name": "US fluid Ounce", "abbreviation": "US fl.oz"],
                 ["name": "US liquid Cup", "abbreviation": "US cup"],
                 ["name": "US liquid Pint", "abbreviation": "US pt"],
                 ["name": "US liquid Gallon", "abbreviation": "US gal"],
-                ["name": "Imperial fl. Ounce", "abbreviation": "fl.oz"],
+                ["name": "Imperial Teaspoon", "abbreviation": "tsp"],
+                ["name": "Imperial Tablespoon", "abbreviation": "tbsp"],
+                ["name": "Imperial fluid Ounce", "abbreviation": "fl.oz"],
                 ["name": "Imperial Cup", "abbreviation": "cup"],
                 ["name": "Imperial Pint", "abbreviation": "pt"],
                 ["name": "Imperial Gallon", "abbreviation": "gal"]]


    func convertDecilitre(toUnit: String, fromValue: Double) -> Double {
        switch toUnit {
        case "US fl.oz":
            return fromValue * 3.3814
        case "US cup":

            return fromValue * 0.211338
        case "US gal":
            return fromValue * 0.0264172
        case "tsp":
            return fromValue * 16.8936
        case "tbsp":
            return fromValue * 5.63121
        case "fl.oz":
            return fromValue * 3.51951
        case "cup":
