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 Question Thank you! Oops! Related Content Roth IRA for Kids Learn about the benefits and requirements of opening a Roth IRA for kids. Building Your Legacy A four-step framework for building a personal legacy. A Primer on Irrevocable Life Insurance Trusts Irrevocable life insurance trusts can be important tools that may accomplish a number of estate objectives.