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 Question Thank you! Oops! Related Content Historical Inflation This calculator shows how inflation over the years has impacted purchasing power. Earnings for All Seasons Earnings season can move markets. What is it and why is it important? The Latte Lie and Other Myths Check out this video to begin separating fact from fiction.