PayDownMath
Free calculators that compare your real options side by side — not just the one your lender wants you to pick.
Mortgage recast calculator
Compare recasting, paying down without a recast, and doing nothing. See the payment, the interest, and the payoff date for each.
PMI removal calculator Coming soon
Find out how much you need to pay, or how much your home needs to appreciate, to drop mortgage insurance.
Early payoff calculator Coming soon
See what an extra monthly amount does to your payoff date and total interest.