What is taxable income and how do you calculate it?

Understanding your taxable income is one of the most important steps you can take before filing your federal tax return. It determines which tax bracket you fall into, how much tax you owe, and whether you might be due a refund.

Your taxable income meaning goes beyond just your paycheck. It reflects virtually all money or property you receive during the year, minus the deductions the IRS allows you to subtract. The resulting number — your taxable income — is what gets applied to the federal tax brackets to determine your actual tax liability.

So, whether you’re a W-2 employee, self-employed, or retired, knowing how to calculate taxable income puts you in control of your finances — and your tax bill. To help you understand this key financial topic, let’s cover all the angles.

What is taxable income?

Taxable income is the total amount of your earnings, wages, property, goods, or services used to figure out how much tax you owe, according to the IRS. Using that total as a starting point, you then reduce the amount with relevant adjustments and deductions. The resulting amount is the income subject to federal income tax, which is used to determine your tax bracket and tax liability.

What income is taxable?

Taxable income includes wages and investment income, but there are many other types of income that count as taxable.

Common taxable income sources include:

• Wages, salaries, and tips – The income you earn as an employee, including bonuses and commissions, reported on your W-2. Taxable income for W-2 employees starts right here.
• Self-employment and freelance income – If you work for yourself, your net profits from a business or gig work are taxable. Taxable income for self-employed individuals includes what you earn after business expenses.
• Interest income – Interest earned in savings accounts, money market accounts, and most bonds is taxable.
• Investment income – Distributions, dividends and capital gains you receive from stocks, bonds or other investments.  The gain from real estate that is sold at a profit may also be taxable.   Check out the next section for details.
• Rental income –Rent collected from tenants is generally taxable, though you can offset it with eligible expenses.
• Unemployment compensation – Unemployment benefits you receive are fully taxable at the federal level.
• Alimony (for pre-2019 divorce agreements) – Alimony received under divorce agreements finalized before January 1, 2019, is taxable to the recipient.
• Prizes and awards – Cash prizes, gambling winnings, and most awards are taxable.

For a comprehensive breakdown of taxable and non-taxable income, review this post about sources of income.

What’s included as taxable investment income?

Taxable investment income includes money you receive from securities, such as stocks, bonds and mutual funds, along with other investment types.

• Dividends — Ordinary dividends are taxed as regular income. Qualified dividends may be taxed at lower capital gains rates, depending on your income level.
• Capital gains — When you sell an investment — stocks, mutual funds, real estate — for more than you paid, the profit is a capital gain. Short-term capital gains (assets held one year or less) are taxed as ordinary income. Long-term capital gains (assets held more than a year) are typically taxed at a lower rate.   Inherited property is automatically treated as long-term capital gain property regardless of how long it is actually held.  
• Interest income from bonds — Interest from corporate bonds and most other bonds is taxable. Note that interest from U.S. Treasury securities is taxable federally but exempt from state tax, while interest from municipal bonds is generally exempt from federal tax.

It’s important to know not all these income types are taxed the same way. For example, short-term and long-term capital gains are even taxed differently.

What’s included as taxable retirement income?

Taxable retirement income generally includes money being paid out to you such as pension payments, Traditional 401(k) and Traditional IRA distributions, as well as some Social Security benefits. 

What income is not taxable?

While most income is taxable, the IRS excludes certain types of income from federal taxation.

Common non-taxable income examples include:

• Gifts and inheritances — You generally don’t owe federal income tax on money or property you receive as a gift or inheritance. (The giver may owe gift tax in certain cases, but that’s separate.)
• Life insurance proceeds — Death benefits paid to a beneficiary are typically not taxable.
• Child support payments — If you receive child support, it’s not included in your gross income.
• Workers’ compensation — Payments you receive for a work-related injury or illness through workers’ compensation are generally excluded from taxable income.
• Most employer-paid health insurance premiums — If your employer pays your health insurance premiums, those amounts are generally excluded from your taxable wages.
• Qualified scholarships — Scholarships used for tuition, fees, books, and required course supplies are generally not taxable for a degree-seeking student.
• Municipal bond interest — Interest earned on most state and local government bonds is federally tax-exempt.
• Certain Social Security benefits — As noted above, recipients with lower combined incomes may not owe any federal tax on their Social Security.

Keep in mind that some income categories can be partially taxable depending on your situation.

How to calculate taxable income

Calculating taxable income can be broken into five steps.

Step 1: Determine your filing status

Your filing status affects your standard deduction amount, eligibility for certain tax benefits, and your tax rates. Married Filing Separately taxpayers may face special limitations on certain deductions and credits, making filing status especially important when determining taxable income.

Step 2: Find your gross income

Your gross income is generally the total of all taxable income sources before any adjustments or deductions. This includes W-2 wages, self-employment income, investment income, and any other items of income that are not specifically exempt or excluded from being taxed.

Step 3: Subtract your adjustments to income

Certain adjustments reduce your gross income and result in your adjusted gross income (AGI).

Common adjustments include:

• Deductible Traditional IRA contributions
• Student loan interest deduction
• Certain self-employment deductions
• Deductions for educator expenses

Note: Your eligibility for certain tax breaks is based on your Modified Adjusted Gross Income (MAGI). It does not impact the calculation of taxable income.

Review the definition of Adjusted Gross Income from the IRS.

Step 4: Decide to claim the standard or itemized deductions

Next, determine whether you’ll claim the standard or itemized deductions. Most taxpayers claim the standard deduction, but itemizing may lower your taxable income more if your eligible deductions add up to more than the standard deduction amount.

Note: With married taxpayers that file separately, if one spouse itemizes deductions, generally the other spouse filing separately cannot claim the standard deduction and must also itemize.

Step 5: Subtract all deductions

Subtract your standard deduction or total itemized deductions from your AGI.

The resulting amount is your taxable income.

Taxable income formula

The taxable income formula is your gross income minus deductions in the simplest terms.  You can think of it as the two steps below.

Gross income
− Adjustments to income (another way of referring to deductions)
= Adjusted gross income (AGI)

Adjusted gross income (AGI)
− Standard deduction or itemized deductions
= Taxable income

Taxable income calculator: How to estimate your taxable income

H&R Block’s tax calculator can help you estimate not just your taxable income but also your potential refund or what you might owe. It walks you through the key inputs and does the math for you.

Keep in mind that a taxable income calculator provides an estimate. The more detailed you are in using a tax calculator, the more accurate the estimate can be.

Taxable income vs. adjusted gross income (AGI)

Adjusted gross income (AGI) is a starting point for calculating taxable income. In other words, you figure out your AGI first, then keep going by subtracting either the standard or itemized deductions.

How can you reduce taxable income?

There are several smart ways to reduce your taxable income — and doing so can meaningfully lower what you owe or increase your potential refund.

Here are some common strategies to lower taxable income:

• Maximize retirement contributions. Contributing to a Traditional 401(k) or traditional IRA reduces your gross income dollar-for-dollar (up to IRS contribution limits).
• Contribute to a Health Savings Account (HSA). If you’re enrolled in a qualifying high-deductible health plan, HSA contributions are tax-deductible and reduce your AGI.
• Claim above-the-line deductions you might be missing. Student loan interest, educator expenses, and the self-employed health insurance deduction are all above-the-line adjustments that can shrink your AGI without requiring you to itemize. See our guide to common tax deductions for the full list.
• Consider itemizing if your expenses are high enough. If your mortgage interest, state and local taxes, charitable contributions, and qualifying medical expenses add up to more than your standard deduction, itemizing may be worth it. Run the numbers for both options before deciding.  Remember that certain limitations may apply if you are married filing separately.
• Harvest investment losses. If you have investments that have lost value, selling them can generate a capital loss that offsets capital gains — and up to $3,000 of ordinary income per year. Unused losses carry forward to future years. (Keep in mind, taxes shouldn’t be the only factor in deciding what investment moves to make.)
• Time your income and deductions strategically. If you’re self-employed or have flexibility in when you receive income or pay deductible expenses, you may be able to shift income or deductions between tax years to reduce your taxable income in a given year.

Get help filing your taxes

Figuring out your taxable income — and making sure you’re not paying more than you owe — is exactly what H&R Block is here for. Whether you choose to file with a tax pro or file with H&R Block Online, you can rest assured that we’ll help you get your maximum refund.*

*All tax situations are different. Not everyone gets a refund. See hrblock.com/guarantees for complete details.