Skip to main content

United States Income Tax Calculator 2026

Enter your gross annual income below to see a detailed tax breakdown based on official United States tax rates for 2026.

United States Tax Calculator

$
$0$250k$500k

Data Integrity & Methodology

Primary Source
IRS Publication 15-T (2026) — Federal Income Tax Withholding Methods
Primary Source
IRS Publication 17 (2026) — Your Federal Income Tax
Primary Source
IRS Revenue Procedure 2025-19 — 2026 Inflation Adjustments
Global Source
OECD Taxing Wages & TaxBEN — International Comparative Tax Data
Last Verified
Calculation Logic
Deterministic Java engine mapped to official statutory rates stored in Postgres. Contextual AI insights grounded via Vertex AI Search using the cited documents above.
18 source documents from IRS, OECD & governments
Deterministic math — never AI-generated numbers
Updated for 2026 tax year