Calculators Use calculators to help you understand the numbers. How long will it take to pay off my credit card(s)? How long until my loan is paid off? How much house can I afford? Should I refinance my mortgage? Mortgage calculator Comparing mortgage terms (i.e. 15, 20, 30 year) Calculate rate of return What would my auto payments be? Auto loan: Accelerated payoff How much vehicle can I afford?