Once you reach age 59.5, you may withdraw money from your 401(k) penaltyfree. The amount of the withdrawal may not be in excess of the amount of the immediate and heavy financial need of the employee including any amounts necessary to pay.The rule of 55, or the 401k 55 rule, lets you withdraw penaltyfree from your 401(k) or 403(b) before you reach 59.5, in certain situations. Generally, anyone can make an early withdrawal from 401(k) plans at any time and for any reason. However, these distributions typically count as taxable income. Members should fill out and submit Form 5 (Withdrawing Your Retirement Service Credit and Contributions) to the Retirement Systems Division. Use this calculator to estimate how much in taxes and penalties you could owe if you withdraw cash early from your 401(k) You can take money out before you reach that age. Complete all relevant sections after reading all the information in the package. • Indicate the reason for your hardship request on the form.