JSFiddle - React, Tailwind, and code Playground

by ecropolis

JavaScript

convert = function(num, unit_in, unit_out){
	var units = {
        ft: 304.8,
        in: 25.4,
        m: 1000,
        cm: 10,
        mm: 1,
  };
  var by = units[unit_in];
  var mm = by * num;
  var conv = mm / units[unit_out];
  console.log(conv)
  return Math.roun; 
}    
convert(12,'ft','in');