Tool
Income Tax Calculator
Estimate 2026 federal income tax using the inflation-adjusted single-filer brackets.
Income Tax Calculator
Rules version 2026-1 · effective 1/1/2026 · IRS Revenue Procedure 2025-32 (as amended by the One Big Beautiful Bill)
Estimated tax: $0
Marginal rate: 10.00%Effective rate: 0.00%
This is an estimate for general awareness only and is not tax advice. Actual liability depends on credits, exemptions, and your specific circumstances. Source: IRS Revenue Procedure 2025-32 (as amended by the One Big Beautiful Bill). Verified 2026-04-16.