Metricize is a transitive verb that means to convert something into or express something in metric system units. Some synonyms of metricize include standardize, convert, rationalize, systematize, quantify, and regularize. Standardize refers to establishing a common measurement to which everyone adheres. Convert means to change something from one form to another. Rationalize refers to organizing something in a logical or systematic way. Systematize involves arranging something in an orderly manner, while quantify means to express something in numerical values. Finally, regularize means to make something uniform or consistent.