US Bonus Tax Calculator

Calculate how much federal and state tax is withheld from your US bonus. Compare the supplemental wage flat rate (22%) versus the aggregate method to see which applies to you.

Overview

The Bonus Tax - US helps you make informed financial decisions in US. This calculator provides accurate calculations based on current rates and regulations in US. Whether you're planning your finances, comparing options, or making investment decisions, this tool gives you the insights you need. Simply enter your details and get instant, detailed results with clear explanations.

How to use this calculator

Enter your information in the 4 input fields below
The calculator will validate your inputs in real-time
Click "Calculate" to see your results
Review the detailed breakdown of calculations
Adjust any values to see how they affect your results

Example calculations

Example 1: Basic Calculation

A typical scenario using default values

{
  "bonus_amount": 10000,
  "withholding_method": "percentage",
  "annual_salary": 75000,
  "state_tax_rate": 5
}

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