Tax Calculator 2025 2025r. An income tax calculator is an online tool that helps individuals calculate the amount of income tax they will owe to the government based on their taxable income. From january 1, 2025, cpf contribution rates for employees aged above 55 to 65 will increase by 0.5 percentage points for employers and 1 percentage point for employees.

Under the old tax regime, income up to ₹ 2.5 lakh is exempt from taxation. There are two parts to this calculator.