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 Jane Bond: Infiltrating the Market Agent Jane Bond is on the case, cracking the code on bonds. Long-Term-Care Needs Determine your potential long-term care needs and how long your current assets might last. Managing an Inheritance A windfall from a loved one can be both rewarding and complicated.