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United States Reference

2 pages — Reference pages for US federal tax brackets, contribution limits, and statutory figures — reviewed periodically and linked to the relevant free calculator.

US Federal Income Tax Brackets

2024 IRS federal income tax brackets by filing status, plus standard deduction amounts. See exactly which rate applies to each slice of your income.

Data as of Tax Year 2024

US Retirement Account Contribution Limits

2024 IRS contribution limits for 401(k), IRA, and HSA accounts, including catch-up amounts for savers 50 and older. See exact dollar caps at a glance.

Data as of Tax Year 2024