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 Red Flags for Tax Auditors Here are six flags that may make your tax return prime for an IRS audit. Estimate Your Health Care Costs in Retirement Studies show that health care concerns are the top of the list for Americans planning their retirements. Navigating the Ups and Downs of Business Cash Flow You’re at the amusement park, waiting to board the roller coaster. You can see the whole track as you stand in line. Peaks that seem to pierce the clouds.