"The sum total" is a phrase used to express the complete amount or quantity of something. However, there are several synonyms that can also be used to convey a similar meaning. "Aggregate," "totality," "entirety," "whole," "cumulative," and "overall" are all synonyms for "the sum total." Each of these phrases can be used in place of "the sum total" to give a sense of completeness or of a combined amount. Whether in a formal or informal context, these synonyms provide a varied vocabulary to convey the same meaning as "the sum total".