The Income Tax Calculator helps users determine how much tax they owe based on their total income and the applicable tax rate. By entering the income and tax percentage, the calculator instantly computes the total tax amount and the remaining after-tax income. It uses the formula Tax=(Income×Tax Rate)/100\text{Tax} = (\text{Income} \times \text{Tax Rate}) / 100Tax=(Income×Tax Rate)/100, providing clear step-by-step substitution results. This tool is ideal for employees, employers, and financial planners who need a quick and accurate way to estimate tax liabilities and net earnings.