My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates. 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 Changing Unhealthy Behaviors Five phases to changing unhealthy behaviors. Comparing Mortgage Terms Estimate the total cost in today's dollars of various mortgage alternatives. Financial Aid for Students 101 Help your college-bound child explore scholarships, grants, and more with this article on paying for higher education.