A system and method permits client-side locale specific numeric format handling in a web environment for software applications supported by programming languages. The system and method enable a software application supported by the programming language to perform client-side calculations on locale or user specific numeric data and display the numeric results in a format that is sensitive to the user's locale or specific needs. The system and method remove a locale specific or other numeric format for performing numeric calculations using the programming language and format the numeric data into one or more locale or user specific numeric formats for display.