Use the Massachusetts 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.This sample calculation tool is intended as a starting point for employers who choose to conduct a selfevaluation to. Learn how to run a bonus payroll and accurately calculate bonus pay and taxes with our comprehensive small business guide. Use our bonus tax calculator to estimate your taxes so you know what to expect. To use this bonus tax calculator, simply input the bonus amount and the tax filing status. SmartAsset's Massachusetts paycheck calculator shows your hourly and salary income after federal, state and local taxes. The Viventium Flat Bonus Calculator allows you to calculate your take-home pay on special wage payments. Edit, sign, and share employee bonus sheet online. No need to install software, just go to DocHub, and sign up instantly and for free.