Online Finance Calculators - This financial calculators can be used for gold rates and salary / income tax calculators. By the help of using gold rates calculator, you have to put desired weight and select the units from the options of grams, tolas, and ounces. You can view the units in 20, 22, and 24 carats. You can get the value of desired units in PKR and USD. The salary tax calculator represents only for Pakistan’s income tax slab 2015-2016, and you can calculate your annual tax by putting your yearly sum of salary, bonus(if), commission(if), overtime(if) and so on. Find finance online calculators for your personal finance solutions.