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 Preparing For the Ultimate Vacation Make your retirement as exciting as your next vacation. Three Key Questions to Answer Before Taking Social Security When to start? Should I continue to work? How can I maximize my benefit? A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals.