With about of 15 categories the Converter – X is a complete application for you to convert the units that need a fast and easy way. Some available Units in Converter - X: 1. Volume - Teaspoon, Cup, Litre, etc; 2. Area – Square Kilometre, Square Millimeter, Acre, etc; 3. Length/Distance – Miles, Metre, Yard, etc; 4. Cooking – Pint Gallon Deciliter, etc; 5.