A credit card debt payoff calculator template is also widely used calculator. The basic different with this calculator and other calculators is installment amount. This calculator specifically prepared to calculate installment amount along with interest information per installment. It further has column of insurance amount, as it is a mandatory requirement of most financial institutions. The interference of this calculator is very simple, yet it gives you 100% control of information which you wish to insert. It is also prepared in MS Excel for better as well as quick use.