1. What is This Calculator?

This calculator estimates your after-tax (net) salary in California as a single filer by calculating federal tax, California state tax, and FICA contributions from your gross annual salary.

2. How Does the Calculator Work?

The calculator uses the following formula:

Where:

• Federal Tax - Calculated using 2023 IRS brackets for single filers
• California State Tax - Calculated using 2023 CA tax brackets
• FICA - Social Security (6.2% up to $160,200) + Medicare (1.45% + 0.9% for high earners)

3. Understanding Tax Components

Federal Tax: Progressive tax system with rates from 10% to 37% based on income brackets.

California State Tax: Progressive tax system with rates from 1% to 12.3%, one of the highest state income taxes in the U.S.

FICA: Mandatory payroll taxes that fund Social Security and Medicare programs.

4. Using the Calculator

Instructions: Enter your gross annual salary in USD. The calculator will estimate your take-home pay after all taxes and deductions.

5. Frequently Asked Questions (FAQ)

Q1: Are these tax rates up to date?
A: This calculator uses 2023 tax brackets. Tax laws change annually, so verify with current IRS and California FTB publications.

Q2: Does this include other deductions like 401(k) or health insurance?
A: No, this only calculates mandatory taxes. Voluntary deductions would further reduce your take-home pay.

Q3: Why is California tax so high?
A: California has progressive tax rates and additional taxes for high earners to fund state services and programs.

Q4: What about tax credits or deductions?
A: This calculator doesn't account for deductions or credits which could lower your tax burden.

Q5: Is Social Security tax really capped?
A: Yes, in 2023 you stop paying the 6.2% Social Security tax on earnings above $160,200.