Examine your statement or contact your credit card company to determine what your cash advance limit is. The cash advance limit is different (usually much lower) than your purchase limit.
Determine the cash advance interest rate on your account. Cash advance interest rates are usually much higher than normal purchase rates. Once you find out the rate, determine if you still want to withdraw cash from the card.
Visit a nearby bank, bring photo identification and your credit card. Most bank branches can process cash advances from credit cards. Tell the representative the amount you want to withdraw. Most banks charge a small service fee.
Wait for the teller to process the card; sign the receipt when the transaction goes through. Make sure to keep a copy for your records.