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Understanding Your Tax Return

Filing your taxes may feel overwhelming, but understanding the key parts of a tax return can make it much clearer. This overview breaks down how different pieces, like income, deductions, and credits fit together to determine what you owe or get back.

Definitions

Gross IncomeGross income
Total earned income (wages, salaries, self-employment income, etc.) and unearned income (dividends, capital gains, interest, etc.) before any deductions or taxes.

Adjusted Gross IncomeAdjusted gross income (AGI)
Gross income minus adjustments (e.g., student loan interest, pre-tax IRA contributions).

Taxable IncomeTaxable income
AGI minus deductions (standard or itemized).

How Taxes Are Calculated: A Step-by-Step Breakdown

Step 1. Determine your adjusted gross income (AGI)

Calculate your total income, then subtract adjustments like pre-tax retirement contributions and student loan interest.

Gross income plus or minus adjustments to income equals adjusted gross income


Step 2: Calculate your taxable income

Subtract the standard deduction or itemized deductions from AGI.

Adjusted gross income minus deductions equals taxable income


Step 3: Use tax brackets to calculate taxes due

You can use the IRS tax tables for simpler returns and taxable income under $100,000. If your taxable income is over $100,000, use the IRS Tax Computation Worksheet. If you are using tax software like TurboTax or FreeTaxUSA, the software calculates taxes owed automatically.

Taxable income times tax rates equals tax due.


Step 4: Apply tax credits

Subtract tax credits (e.g. Child Tax Credit) from the taxes due to determine the tax owed.

ax due minus tax credits equals tax owed.


Step 5: Determine your tax bill or refund

Subtract taxes withheld from your paycheck (or quarterly tax payments) from the taxes owed. If total payments exceed taxes owed, you get a refund. If taxes owed exceed payments, you will need to make a payment to the IRS.

Tax owed minus amount withheld equals tax bill or refund