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 Comparing Mortgage Terms Estimate the total cost in today's dollars of various mortgage alternatives. Buying Auto Insurance For Teen Drivers Tips on insuring your teen driver. Fallen Tree Damage—Who Pays? Your liability for damages that occur when a tree on your property falls on your neighbor’s property is not clear cut.