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 When Markets React When markets shift, experienced investors stick to their strategy. Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate. Why do Renters Have to Save More? How much more would retirement cost if you owned your home rather than rented? It could actually be several times less.