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. Share | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Variable Universal Life Insurance Variable Universal Life is permanent insurance in which the policyholder directs how premiums are invested. Four Reasons Millennials Need an Estate Strategy Estate strategies for millennials may sound like less of a concern than retirement, but young adults should prepare now. Life and Death of a Twenty Dollar Bill How long does a $20 bill last?