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Calculators

Run the numbers before you decide. Every calculator on this page uses transparent, standard formulas — no hidden assumptions.

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Estimate your monthly mortgage payment based on price, down payment, rate, and amortization.

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Estimate how much home you may be able to afford based on income, debts, and down payment, using the federal stress test.

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Calculate your estimated prepayment penalty (3 months’ interest or IRD) before you refinance or break your mortgage.

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See how your monthly payment and total interest change when you renew at a new rate.

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See what a Guaranteed Investment Certificate could be worth at maturity.

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Estimate your monthly payment and total interest on a personal loan.

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See how a starting amount and regular contributions grow over time.

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Compare the total cost of renting against buying and later selling.