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 Message Thank you! Oops! Related Content Does Your Credit Score Affect Your Insurance Rates? Your credit score may influence how much you pay for auto and home insurance. Life and Death of a Twenty Dollar Bill How long does a $20 bill last? Consider These 3 Things Before Driving Off the Lot Here are 3 quick tips to keep in mind when buying or leasing your next vehicle.