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 Inflation and Your Portfolio Even low inflation rates can pose a threat to investment returns. Understanding Extended Care Understanding the types of extended care services—and what those services could cost—may be critical. Comparing Investments This calculator compares the net gain of a taxable investment versus a tax-favored one.