Saving for Retirement This calculator can help you estimate how much you may need to save for retirement. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Related Content Encore Careers: Push Your Boundaries Ready for retirement? Find out why many are considering encore careers and push your boundaries into something more, here. What Is a Roth 401(k)? Roth 401(k) plans combine features of traditional 401(k) plans with those of a Roth IRA. Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year.