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 5 Benefits of Working in Retirement Here are 5 reason why you may consider working through retirement. You Would Rather Be... Are you a thrill seeker, or content to relax in the backyard? Use this flowchart to find out more about your risk tolerance. You May Need to Make Estimated Tax Payments If… Have income that isn’t subject to tax withholding? Or insufficient withholdings? You may have to pay estimated taxes.