Saving for Retirement This calculator can help you estimate how much you may need to save for retirement. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Related Content Should You Ever Retire? A growing number of Americans are pushing back the age at which they plan to retire. Or deciding not to retire at all. Thinking of Retiring Abroad? However exciting retiring abroad may sound, it deserves considerable planning. My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates.