Texas Bonus Paycheck Calculator

The IRS requires employers to withhold federal income tax from supplemental wages (including bonuses) at a flat 22% rate for amounts up to $1 million. For bonus amounts exceeding $1 million in a calendar year, the rate jumps to 37%. Your employer may alternatively add the bonus to your regular paycheck and withhold using the aggregate method.

It depends on your total annual income and tax bracket. If the 22% flat withholding rate is higher than your actual effective tax rate on the bonus, you'll receive a refund. If you're in a higher bracket and the withholding was insufficient, you may owe additional taxes. Our calculator estimates both the withheld amount and your approximate actual tax liability.

Texas follows its standard state income tax rates for bonus income. Some states apply a separate supplemental withholding rate to bonuses; others simply add the bonus to your annualized income and apply regular brackets. The calculator applies the correct Texas-specific rules to give you an accurate estimate.

Splitting a bonus across pay periods can sometimes reduce withholding if your employer uses the aggregate method, which annualizes your income. However, it doesn't change your actual tax liability—only the timing of withholding. For very large bonuses that push income past the $1 million threshold, splitting payments can avoid the 37% withholding rate on the excess.