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 Split Annuity Strategy Here's one strategy that combines two different annuities to generate income and rebuild principal. Put It in a Letter A letter of instruction provides additional and more personal information regarding your estate. Disability and Your Finances In the event of an unforeseen accident or illness, disability insurance may be a good way to protect your income and savings.