Khan Academy has basic explanations on taxes in the U.S. This should help you with understanding tax brackets, deductions, and other related information.

by The14thScorpion

A reminder that this resource exists. There are some simple explanations of tax law in the U.S. over at Khan Academy. Here are a couple links:

• Introduction to Tax Brackets
• Introduction to Deductions
• A link to all lessons in the Tax Portal

And since retirement accounts tie into deductions:

• Link to the Retirement Accounts lessons

As an added bonus:

• The personalfinance Wiki on Taxes.

Happy filing!