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. Share | 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. Business Boosters: Can Your Business Survive Without You? If you didn't show up tomorrow, would your employees be able to go it alone? The Next Gig Thing Make the gig economy work for you.