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 Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate. Putting a Price Tag On Your Health Being healthy not only makes you feel good, it may also help you financially. Critical Estate Documents Sound estate management includes creating financial and healthcare documents. Here's an inside look.