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 Social Security: By the Numbers Here are five facts about Social Security that might surprise you. Split Annuity Strategy Here's one strategy that combines two different annuities to generate income and rebuild principal. My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates.