How do 401(k) salary deductions affect my take-home pay? 401(k) deduction Your 401(k) contribution per pay period Your 401(k) contribution is expressed as: % or $ Your employer's 401(k) contribution per pay period Employer's contribution is expressed as: % or $ Employer's annual contribution limit to your 401(k) $ General information Gross income $ per YearPay period Gross income (year to date) $ Your pay period frequency DailyWeeklyBi-weeklySemi-monthlyMonthlyQuarterlySemi-yearlyYearly Your tax filing status SingleMarried filing jointlyMarried filing singleHead of household Your total exemptions Your additional income withheld by IRS $ State tax information Specific state tax info. No state taxes % of gross pay% % of Federal taxes% Deduction information Purpose of this deduction Amount per pay period of this tax deduction $ or % This deduction is exempt from which taxes Federal State Medicare FICA