HSBC credit card cash handling fee is related to the number of installments, installment rate and other factors. The specific calculation formula is handling fee = rate * installment amount * number of installments. Currently, the available installment options for HSBC credit card cash installment include 3, 6, 10, 12, 18, and 24 installments. The installment fee rates are 1.0%, 0.9%, 0.75%, 0.75%, and 0.75% respectively. ,0.75%.