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. Will Power Preparing for the eventual distribution of your assets may not sound enticing. But a will puts the power in your hands. Retirement Redefined Around the country, attitudes about retirement are shifting.