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 Disability Income This calculator estimates your chances of becoming disabled and your potential need for disability insurance. Medicare At 65+ 65 or older? It may be time to enroll in Medicare. Read to learn if you’re eligible. Emotional vs. Strategic Decisions Information vs. instinct. Are your choices based on evidence of emotion?