Use the Utah bonus tax calculator to determine how much tax will be withheld from your bonus payment using the aggregate method. The Viventium Bonus Calculator uses your last paycheck amount to apply the correct withholding rates to special wage payments, such as bonuses.Learn how to run a bonus payroll and accurately calculate bonus pay and taxes with our comprehensive small business guide. This bonus tax aggregate calculator uses your paycheck amount to apply the correct withholding rates to special wage payments, such as bonuses. Employers can use the Utah payroll calculator at the top of this page to quickly calculate their employees' gross pay, net pay, and deductions in a few clicks. Use Gusto's salary paycheck calculator to determine withholdings and calculate take-home pay for your salaried employees in Utah. The Bonus Calculator Form Template from WPForms helps calculate bonuses based on multiple factors like tenure, performance, and company profitability. SmartAsset's Utah paycheck calculator shows your hourly and salary income after federal, state and local taxes. Enter your info to see your take home pay. Create a comprehensive employee bonus policy with this template.