Calculator: USA Federal Income Tax is a Chrome add-on developed by pt solutions. It is a free program that provides a simple and convenient way to calculate federal income tax for individuals in the United States.

With this calculator, users can easily determine the amount of federal income taxes owed based on their salary. The program takes into account the latest tax brackets and rates, ensuring accurate calculations. By inputting their salary, users can quickly see the amount of federal income taxes that they are required to pay.

This calculator is a valuable tool for individuals who want to estimate their federal income tax liability and plan their finances accordingly. It provides a user-friendly interface and delivers accurate results, making it a reliable resource for anyone in the United States who needs to calculate their federal income taxes.