James C. Morgan

2025 Tax Brackets Calculator Single. You pay tax as a percentage of your income in layers called tax brackets. If you want to know your marginal tax bracket for the 2023 tax year, use our calculator.

Check your 2025 irs federal income tax bracket to see if you fall into a lower bracket due to inflation, which could lower your tax bill next year. You pay tax as a percentage of your income in layers called tax brackets.