Cat-13 · T137 · Retirement & Withdrawal Planning

Safe Withdrawal Rate Calculator

Model portfolio longevity under the 4% rule, dynamic withdrawal strategies, and the Guyton-Klinger guardrail approach. Compare fixed, flexible, and guardrail withdrawals with sequence-of-returns risk analysis. Client-side. Zero PII.

4% Rule Guardrail Method Zero PII Client-Side
🔒 All inputs are processed locally in your browser. No data is transmitted. Do not enter real personal data — use synthetic or anonymised inputs only.
Educational Use OnlyThis tool provides educational modelling for retirement withdrawal strategies. It is not financial advice. Results depend on assumed return rates and inflation which cannot be predicted. Consult a qualified financial advisor before making retirement decisions.
Retirement Parameters
$40K on $1M = 4% rule. Adjust as needed.
Historical 60/40 avg: ~7-8% nominal
Early drawdown shock (% drop in first 3 years)
Upper: cut by 10% | Lower: raise by 10%
Withdrawal Strategy Comparison
Year-by-Year Projection (Fixed Withdrawal)
Withdrawal Planning Summary