Financial Calculators
Free tools to help you compare credit cards, plan a balance transfer, find your debt-free date, and estimate mortgage payments. Pick a calculator below to get started.
Rewards Calculator
Enter your monthly spending and instantly see which credit cards earn the most cash back or points based on your habits.
OpenCredit Card Payoff Calculator
See exactly when you'll be debt-free and how much interest you'll pay along the way. Compare payoff strategies side by side.
OpenBalance Transfer Calculator
Calculate how much you could save by moving a balance to a 0% intro APR card. Includes transfer fees vs. interest savings.
OpenMonthly Payment Calculator
Enter your balance, APR, and target payoff timeline to find the monthly payment you need to hit your goal.
OpenInterest Calculator
See how much of each payment goes toward interest vs. principal, and the true cost of carrying a balance month to month.
OpenMortgage Calculator
Calculate monthly payments, total interest paid, and full amortization schedules. See how extra payments shorten your loan.
OpenWhich calculator do I need?
Choosing a credit card? Start with the Rewards Calculator to find which card earns the most based on how you actually spend.
Carrying a balance? The Payoff Calculator shows your debt-free date and total interest. The Interest Calculator breaks down what each payment costs you in interest vs. principal.
Considering a balance transfer? The Balance Transfer Calculator compares your current interest costs against a 0% intro APR move, including transfer fees.
Setting a payoff goal? The Monthly Payment Calculator tells you exactly what you need to pay each month to be debt-free by a target date.
Buying a home? The Mortgage Calculator shows your monthly payment, full amortization schedule, and how extra payments shorten the loan.