This Ohio bonus tax calculator uses supplemental tax rates to calculate withholding on special wage payments such as bonuses. Find out how much your bonus will be taxed.The Viventium Bonus Calculator uses your last paycheck amount to apply the correct withholding rates to special wage payments, such as bonuses. Use our bonus tax calculator to estimate your taxes so you know what to expect. Learn how to run a bonus payroll and accurately calculate bonus pay and taxes with our comprehensive small business guide. The Bonus Calculator Form Template from WPForms helps calculate bonuses based on multiple factors like tenure, performance, and company profitability. Use Gusto's salary paycheck calculator to determine withholdings and calculate take-home pay for your salaried employees in Ohio. Included in the taxpayer's federal adjusted gross income is eligible for these deduc- tions. Quickly calculate a gross-up with our net to gross calculator which converts net take home pay into the pre-tax gross pay amount. Don't worry, it's easy.