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 Question Thank you! Oops! Related Content Fixed or Variable Mortgage, Which Should You Pick? When selecting a mortgage, one of the most critical choices is between a fixed or variable interest-rate mortgage. Bi-Weekly Payments This calculator estimates the savings from paying a mortgage bi-weekly instead of monthly. Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year.