FORM TB-HUB · OBBBA TAX CENTERREV. OCT 2026
OBBBA Tax Center
Use the five free calculators below to estimate how the One Big Beautiful Bill Act may affect your federal income tax.
Last updated: October 20, 2026
Choose a calculator
How the estimates work
Each calculator shows its assumptions, statutory source, and last review date. Results are educational estimates, not tax advice, and MAGI is treated as AGI for this first version.