Adjusted Gross Income

Your annual income tax burden for the year is estimated by Internal Revenue Service (IRS) based on a number called your adjusted gross income, or AGI for short. When calculating it, certain adjustments are subtracted from the gross income first. These adjustments include payments made toward interest on student loans and other costs. The next stage in determining a taxpayer's taxable income is to remove their deductions from their adjusted gross income (AGI), which was determined in the previous phase. For some programs and retirement accounts, the Internal Revenue Service (IRS) also uses other measures of income, such as the modified AGI (MAGI).

Understanding AGI

The adjusted gross income, or AGI, is a modified gross income specified by the United States tax law. Gross income is the total tax of money you earned in a given year, including but not limited to wages, dividends, capital gains, interest income, royalties, rental income, alimony, and distributions from your retirement account. This amount is calculated before any taxes, or other deductions are taken into account.

Adjustments are made to gross income based on your AGI to arrive at the final number that will be used to determine your tax burden. When determining how much a person is required to pay in state income taxes, the AGI from the federal return is used by several states in the United States. This amount is subject to additional modification by the states, which may include state-specific deductions and credits.

Common Adjustments

Adjustments to income are the things that are deducted from gross income to compute your AGI. When you submit your yearly tax return, you will record these items on Schedule 1 to account for these adjustments. The following is a list of some of the most frequent adjustments, as well as the distinct tax forms on which a few of these adjustments are calculated:

  • Alimony payments (for divorces filed before Jan. 1, 2019)
  • Financial penalties for withdrawing funds too soon
  • Educator expenditures
  • Employee business expenditures for reservists in the armed services, qualified performers, officials in state or local government who are paid on a fee basis, and workers who have impairment-related job expenses (Form 2106)
  • HSA deductions, or health savings account deductions (Form 8889)
  • Costs associated with relocation for personnel of the armed forces (Form 3903)
  • Health insurance deduction for those who are self-employed
  • Tax on self-employment income
  • Student loan interest deduction

How to Calculate Adjusted Gross Income

Once you provide the figures necessarily, tax preparation software will automatically determine your adjusted gross income (AGI). If you do the math on your own, the first step is to report all the income you brought in over the year and report it. This might include income from your employment, which is reported to the Internal Revenue Service (IRS) on a W-2 form, as well as income from other sources, such as dividends and other kinds of income, which are reported on 1099 forms.

The next step is to include any taxable income from other means, such as a profit on the sale of land, unemployment benefits, pensions, Social Security contributions, or anything else that hasn't previously been reported to the Internal Revenue Service (IRS). Many of these sources of income are also included on Schedule 1 of the IRS tax form.

The next step is to take your reported income and deduct any relevant modifications that may apply to the income indicated above. The number that you get is known as your AGI. To calculate taxable income, take your adjusted gross income (AGI) and subtract either standard deduction or the sum of all your itemized deductions. In most circumstances, you can select the one that confers the most value upon you.

For instance, the standard deduction for joint tax returns filed by married couples in 2022 was $25,900, which will increase to $27,700 in 2023. Because of this, married people whose itemized deductions are higher than the standard deduction amount will typically choose to itemize their deductions, while other couples will choose to take the standard deduction.

Example of AGI Affecting Deductions

Let's assume you elected to itemize your deductions because you racked up some substantial dental bills over the year that weren't covered by your insurance, but you still wanted to write them off. You are eligible to take a deduction for the part of those costs that is more than 7.5% of your adjusted gross income.

This indicates that if you have an adjusted gross income of $100,000 and have unreimbursed dental expenditures of $12,000, you are eligible to deduct the amount over $7,500, which is $4,500. If, on the other hand, your AGI is $50,000, the reduction of 7.5% is only $3,750, and you would be eligible to deduct a greater portion of the $12,000—in this example, $8,250—from your tax liability.

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