US State Tax Calculator
Estimate federal and state income tax (sample data).
US State Tax Calculator
Enter income, choose filing status and a state — get federal + state tax instantly. Data is sample only.
Quick breakdown
About this tool
This MVP calculates federal + state income tax using local JSON brackets. Replace the sample data with official, up-to-date brackets for production.
This tool provides a fast estimate of federal and state income tax using progressive bracket data. The included brackets are sample values — replace with official, up-to-date tax tables before using for planning or reporting.
Choose filing status (single / married) and a state to compare take-home pay across jurisdictions.
Tip: For production accuracy, update the TAX_DATA object with current-year federal and state brackets and consider itemized deductions, credits, and local taxes.