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 Historical Inflation This calculator shows how inflation over the years has impacted purchasing power. When Special Care Is Needed: The Special Needs Trust A special needs trust helps care for a special needs child when you’re gone. Safeguard Your Digital Estate If you died, what would happen to your email archives, social profiles and online accounts?