unitConverter.js

function unitConverter(value, precession, lvl1, lvl2){
  var level1,level2,level3, rem, formatedUnit;
  
  if(lvl1 && lvl1 > 0){
    level3 =  value % lvl1;
    rem = parseInt(value /lvl1);
    formatedUnit = rem + "-"+ level3;

  }else{
    if(precession){
    return value.toFixed(precession);
    }else{
     return value;
    }

  }

  if(lvl2 && lvl2 > 0){
    level2 = rem %  lvl1;
    level1 = parseInt(rem / lvl1);
    formatedUnit = level1+ "-" + level2 + "-"+ level3;
  }

      return formatedUnit;  
  }

  unitConverter(506,0, 0,12);