2025 Tax Brackets Calculator. Income tax calculator is a tool available online that aids in calculating the amount of income tax payable by an individual in a particular financial year. Based on your annual taxable income and filing status, your tax bracket determines your federal tax rate.
The federal income tax has seven tax rates in 2025: The federal tax calculator is updated for the 2025/26 tax year and is designed for quick online tax calculations by entering your gross (total) income from tax form 1040 and your gross.