This article describe a vocabulary set for translation of physical quantity and a proto-type application using it. The vocabulary is fomalized with RDF and used for representing facts and rules. Facts are such as the weight of the Statue of Liberty and rules are such that the energy of a cup of rice is 200k calory. The application system is designed for the education of the global warming. The system tranlate the volume of the green gas emission into the volume of gasolin, the weight of waste and so on.