A year-end bonus is one of the most welcome — and most misunderstood — paychecks of the year. You open the stub, see a gross number worth celebrating, then watch a large slice of it vanish to taxes before it ever reaches your bank account. This year-end bonus calculator removes that surprise: it takes your base salary and your target bonus percentage, estimates the gross bonus, applies the federal supplemental wage withholding rate, and shows exactly what you actually take home.
Adjust the three sliders and every figure updates instantly. You will see the gross bonus, the federal tax withheld, your net take-home pay, the effective tax rate on the bonus, and your total annual compensation with the bonus included.
How to Use
- Enter your Annual Base Salary — the gross yearly figure on your offer letter or most recent pay stub, before any bonus.
- Set Bonus as % of Salary. Most corporate performance bonuses land between 5% and 15% of base salary; slide it higher for executive or sales-heavy roles, lower for a modest holiday bonus.
- Leave the Federal Bonus Tax Rate at the default 22% unless you know your situation differs. The IRS treats bonuses as "supplemental wages," and employers are required to withhold a flat 22% on the portion of your bonus up to $1 million.
- Read the result card from top to bottom: Gross Year-End Bonus is the full amount your employer plans to pay you; Federal Tax Withheld is held out of that check; Net Bonus (Take-Home) is what actually hits your account.
- Use the Effective Tax Rate on Bonus line to see the true share withheld, and Total Annual Compensation to benchmark your whole package against the market.
A quick note: the 22% is only withholding. When you file your return in April, your bonus is folded into your total taxable income, so the actual tax can be higher or lower depending on your bracket and deductions. This calculator shows the standard payroll default, not your final liability.
How Year-End Bonuses Are Taxed
Under IRS rules, a bonus is a supplemental wage — money paid to an employee that is not a regular wage. Employers may withhold on supplemental wages in one of two ways. The most common is the percentage method: a flat 22% federal rate on supplemental wages up to $1 million, and 37% on anything above that. The alternative is the aggregate method, where the bonus is added to a regular paycheck and withheld using your normal withholding tables.
Because 22% is just a withholding prepayment, many people in higher brackets feel their bonus "got taxed too much" in December and get it back at tax time; people in lower brackets may owe more. Either way, the gross bonus is the same — only the timing of the tax changes.
Examples
Example 1 — The standard corporate bonus. An employee with an $80,000 base salary earns a 10% year-end bonus. The gross bonus is $8,000. With 22% federal withholding, $1,760 is held back, leaving a net take-home bonus of $6,240. The effective tax rate on the bonus is 22%, and total annual compensation rises to $88,000.
Example 2 — A strong 15% year. A higher-performing employee earning $95,000 receives a 12% bonus. Gross pay is $11,400; federal withholding at 22% takes $2,508; the net check is $8,892 — enough to fund a generous holiday, an emergency fund top-up, or a retirement contribution without touching the regular paycheck.
Example 3 — A large executive bonus. On a $1,000,000 salary with a 15% bonus, the gross bonus is $150,000. At the standard 22% supplemental rate, $33,000 is withheld and $117,000 is delivered. Keep in mind that any supplemental wages above $1 million in a calendar year switch to the 37% flat rate, so very large bonuses carry a higher withholding slice.
FAQ
How much is a typical year-end bonus?
Most companies pay a year-end bonus between 5% and 15% of base salary. Professional, finance, and sales roles often run higher, while small businesses may hand out a flat holiday gift instead of a percentage. A 10% bonus on an $80,000 salary equals $8,000 before tax.
Why is my bonus taxed at 22%?
The IRS classifies bonuses as supplemental wages. Employers commonly use the percentage method, which withholds a flat 22% on supplemental wages under $1 million. This is withholding, not your final tax bill — the bonus is added to your annual income when you file.
Will I get the extra tax back?
Maybe. If your actual marginal tax rate is below 22%, you over-withheld and will likely receive some back as a refund. If it is above 22%, you may owe additional tax when you file. Adjust your Form W-4 allowances if the gap bothers you.
How much will my $10,000 bonus be after taxes?
Using the standard 22% federal supplemental rate, a $10,000 bonus yields about $7,800 before state tax and Social Security/Medicare deductions. State income tax and FICA also apply, so the real take-home is usually a little lower.
Are bonuses taxed differently than regular salary?
The withholding method differs — bonuses can use the flat 22% supplemental rate instead of your regular withholding table — but the bonus is still ordinary taxable income at tax time. Social Security, Medicare, and state taxes generally apply as they would to any wage.
Does the 22% rate ever change?
Yes. The flat supplemental rate is 22% on wages up to $1 million in a calendar year, and 37% on supplemental wages above that threshold. Your employer may also use the aggregate method, which withholds using your normal payroll tables rather than the flat rate.
Should I put my bonus toward debt or savings?
A common rule of thumb: cover high-interest debt first, then fund an emergency reserve, then divert the rest to retirement or goals. Because a bonus is irregular, spending the net amount deliberately — rather than letting it disappear — is what separates a financially meaningful bonus from a forgotten one.
Disclaimer
This year-end bonus calculator is provided for informational purposes only and does not constitute financial, tax, or payroll advice. Figures estimate federal supplemental wage withholding using the standard 22% rate and do not include state income tax, Social Security, Medicare, local taxes, or your personal filing situation. Actual net pay depends on your employer's withholding method, location, deductions, and total annual income. Always confirm your final take-home pay with your employer's payroll department and consult a qualified tax professional before making financial decisions.