Roth 401(k) vs. Traditional 401(k) This calculator compares employee contributions to a Roth 401(k) and a traditional 401(k). You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Systematic Withdrawals in Retirement Taking regular, periodic withdrawals during retirement can be quite problematic. Variable Universal Life Insurance Variable Universal Life is permanent insurance in which the policyholder directs how premiums are invested. Four Really Good Reasons to Invest There are four very good reasons to start investing. Do you know what they are?