A credit card payoff calculator template MS Excel is a specific document clearly aimed to provide comfort of use, even to an ordinary user. It comes with a graphical representation of data and the purpose is clear, providing maximum understanding of loan amount and interest to users or clients. You have to add months and the desired installment amount to calculate the desired amount of loan which you can afford. Similarly, you can insert loan amount and tenor to calculate the installment amount which suits you best, according to your budget.