The refund you get depends on what you paid in and what you actually owe

A larger tax refund comes from one of two places: you paid more tax than you needed to during the year, or you may have access to for tax credits you haven't claimed. The IRS doesn't give refunds beyond what you overpaid or what credits reduce your bill to below zero. You can't manufacture a refund that doesn't exist, but most people leave money on the table by missing deductions and credits that lower their tax bill.

The size of your refund is the difference between what you paid in (through withholding or estimated payments) and what you actually owe. If you paid $8,000 and owe $5,000, your refund is $3,000. If you paid $5,000 and owe $8,000, you owe money instead. The goal is to claim every deduction and credit you're may have access to to, which shrinks what you owe and makes your refund larger.

Key Takeaways

  • Your refund size depends on total tax paid minus total tax owed; claiming all available deductions and credits lowers what you owe and increases your refund.
  • Common missed credits include the Earned Income Tax Credit (EITC), Child Tax Credit, education credits, and the Saver's Credit for retirement contributions.
  • Deductions reduce taxable income; the standard deduction is simpler for most people, but itemizing can be larger if you have significant mortgage interest, property taxes, or charitable donations.
  • Tax software and the IRS Free File program can help you find credits and deductions you might otherwise miss, and both are free if your income is below certain thresholds.
  • Adjusting your W-4 withholding during the year can prevent overpaying in the first place, though this requires planning ahead.

Claim every tax credit you're may have access to to

Tax credits directly reduce the tax you owe, dollar for dollar. A $1,000 credit cuts your bill by $1,000. The most valuable credits go unused because people don't know they exist or assume they don't may have access to. The Earned Income Tax Credit (EITC) is the largest refundable credit for working people with lower to moderate income. If you earn under roughly $60,000 (the limit varies by filing status and number of children), you may may have access to for a credit worth $600 to $3,700. The credit is refundable, meaning if it's larger than your tax bill, the IRS sends you the difference.

The Child Tax Credit is $2,000 per child under 17. If you have children and didn't claim this, you left thousands on the table. The American Opportunity Tax Credit and Lifetime Learning Credit cover education expenses; you can claim up to $2,500 per student per year for tuition and fees. The Saver's Credit rewards people who contribute to retirement accounts—it's worth up to $1,000 and is often missed because it's less well-known than other credits.

The Child and Dependent Care Credit covers daycare or after-school care expenses if you paid for it so you could work. The Adoption Credit covers adoption expenses. If you installed energy-efficient windows, doors, or insulation, the Residential Energy Credits may apply. Run through this list against your own situation; if any match, include them on your return.

Deductions lower your taxable income

A deduction reduces the income the IRS taxes. A $10,000 deduction on a 22% tax bracket saves you $2,200. You have two choices: take the standard deduction or itemize. The standard deduction for 2024 is $14,600 for single filers and $29,200 for married filing jointly (these amounts change yearly). Most people use the standard deduction because it's simpler and large enough that itemizing doesn't help.

Itemizing makes sense if your deductible expenses add up to more than the standard deduction. Deductible expenses include mortgage interest (not principal), property taxes up to $10,000 per year, state and local income taxes up to $10,000 per year, charitable donations, and medical expenses above 7.5% of your adjusted gross income. If you own a home with a mortgage and donate to charity, itemizing might save you more than the standard deduction. Use a calculator or tax software to compare both routes; the software will do this automatically and choose the larger one.

Above-the-line deductions you might have missed

Some deductions reduce your income before you even calculate tax. These are called above-the-line deductions and work even if you take the standard deduction. If you're self-employed, you can deduct half of your self-employment tax. If you paid student loan interest, you can deduct up to $2,500 per year. If you made contributions to a traditional IRA, you may be able to deduct them (the limit is $7,000 per year for 2024, or $8,000 if you're 50 or older).

If you're a teacher and spent your own money on classroom supplies, you can deduct up to $300. If you moved for work and paid moving expenses, some of those may be deductible (though the rules are narrow—you must have moved at least 50 miles for a new job). If you had income from rental property or a side business, you can deduct business expenses. These deductions shrink your taxable income and increase your refund.

Use free tax software or the IRS Free File program

The IRS Free File program lets you file for free if your income is below a certain threshold (usually around $79,000 for 2024, though this varies). You can access it through the IRS website and choose from a list of tax software providers. The software walks you through questions about your income, deductions, and credits, and it flags ones you might may have access to for. This is faster and more thorough than doing it by hand, and it catches things you might miss.

If you don't may have access to for Free File, tax software like TurboTax, H&R Block, or TaxAct still costs less than a tax preparer and is designed to find credits and deductions. The software asks questions in plain language and explains what each one means. It also checks for errors before you file, which can prevent delays in your refund. If you're uncomfortable with software, a tax preparer or CPA can do this work for you, though it costs money.

Adjust your W-4 to avoid overpaying next year

A large refund feels good, but it means you overpaid tax during the year and gave the IRS an interest-free loan. You could have had that money in your paycheck instead. If you consistently get a refund over $1,000, your W-4 withholding is too high. You can adjust it mid-year by submitting a new W-4 to your employer's payroll department. The IRS has a withholding calculator on its website that estimates how much should be withheld based on your income, deductions, and credits.

Lowering your withholding puts more money in your paycheck now and reduces your refund later. This doesn't change your total tax bill—it just spreads the payment more evenly throughout the year. If you have a side business or investment income, you might need to make estimated tax payments instead of relying on withholding. The IRS website has a guide to estimated payments if that applies to you.

Frequently Asked Questions

Can I claim a deduction for something I already claimed a credit for?

No. If you claim the American Opportunity Tax Credit for tuition, you can't also deduct that same tuition expense. The IRS prevents double-dipping. However, you can use the credit for tuition and a deduction for student loan interest in the same year, since they cover different expenses.

What if I'm not sure whether I should itemize or take the standard deduction?

Tax software will calculate both and automatically use whichever is larger. If you're doing it by hand, add up all your deductible expenses (mortgage interest, property taxes, charitable donations, medical expenses above 7.5% of income) and compare the total to the standard deduction for your filing status. Use whichever number is bigger.

Do I have to report side income if it's under a certain amount?

Yes. The IRS requires you to report all income, regardless of amount. However, if your net self-employment income is under $400, you don't owe self-employment tax. You still report it on your return because it may affect other credits or deductions. Use Schedule C to report business income and expenses.

Can I claim a credit or deduction if I didn't keep receipts?

For most deductions and credits, you need documentation if the IRS asks. Charitable donations require a receipt from the charity. Mortgage interest comes on a 1098 form from your lender. Medical expenses need receipts. Keep records for at least three years. If you can't find documentation, you generally can't claim the deduction.

What happens if I claim a credit I don't actually may have access to for?

The IRS may deny it and reduce your refund. If the error was unintentional, you usually won't face penalties, but you'll owe back taxes plus interest. If the IRS suspects fraud, penalties are steeper. Use tax software or a preparer to verify you meet the requirements before claiming anything.