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 8 Financial Milestone Birthdays Get ready to celebrate your financial birthdays in this informative infographic. Dreaming Up an Active Retirement When you retire, how will you treat your next chapter? Life and Death of a Twenty Dollar Bill How long does a $20 bill last?