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 Question Thank you! Oops! Related Content A Bucket Plan to Go with Your Bucket List Longer, healthier living can put greater stress on retirement assets; the bucket approach may be one answer. Systematic Withdrawals in Retirement Taking regular, periodic withdrawals during retirement can be quite problematic. The Cycle of Investing Understanding the cycle of investing may help you avoid easy pitfalls.