A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals. 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 Your Shifting Risk Tolerance Time and market performance may subtly and slowly imbalance your portfolio. Life and Death of a Twenty Dollar Bill How long does a $20 bill last? A Fruitful Retirement: Social Security Benefit Taking your Social Security benefits at the right time may help maximize your benefit.