Compare what was withheld against your estimated tax to see a refund or a bill.
A tax refund estimator compares the federal tax you've had withheld against your estimated liability for the year, showing whether you're due a refund or will owe.
A refund simply means you had more withheld than your actual tax, the government returns the difference. Owing means the opposite. Neither is inherently good: a large refund is an interest-free loan you made to the IRS, while owing a lot can mean penalties. The goal for most people is to land near zero.
If this estimate shows a big refund or a big bill, you can adjust your W-4 to change how much is withheld from each paycheck. This is a federal estimate using the standard deduction and 2025 brackets; it excludes credits, other income, and state tax, so your real result may differ, but it's a useful early check.
If your withholding exceeds your estimated tax, yes. Enter your income and withholding above to see the estimate.
Not really, it means you overpaid through the year, giving the IRS an interest-free loan. Adjusting your W-4 can put that money in your paychecks instead.
This excludes credits, deductions beyond the standard, other income, and state tax. It's a federal estimate, not a filed return.
See the exact formula and a worked example on our methodology page.