Tax Brackets 2025 Calculator Single. It is mainly intended for residents of the u.s. Understanding the 7 tax brackets the irs uses to calculate your taxes can help you figure out your federal effective tax rate.
Once you input your income, the calculator will automatically apply the current tax rates and brackets for 2025 to determine the amount of income tax due. A tax bracket is a range of income thatโs taxed at a specified rate.