Mortgage Comparison Calculator

Model up to 3 scenarios and compare payments, interest, and payoff date side by side.

Quick start:
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Mortgage Terms

$
Down Payment
$
%
↳ Loan: $640,000
%
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Monthly Homeowner Expenses

%
$
$
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Extra Payments

- Pay off faster & save on interest
$

To add one-time payments, edit the Amortization Schedule table below.

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Amortization Schedule

Want to learn more? Read more on our FAQ page.

Payment
Date
TotalPrincipalInterestExpensesExtraBalance
LIVE

$5,243 monthly payment

MONTHLY PAYMENT

About this mortgage comparison calculator

Most mortgage calculators give you one payment number. Ours lets you run up to three scenarios side by side, each with full amortization schedules, total interest paid, and a shareable link you can send to a partner or loan officer.

Whether you need to compare a 15-year versus 30-year term, model when PMI drops off with a larger down payment, or see how accelerated bi-weekly payments change total cost in Canada, this tool keeps every input aligned so you are comparing apples to apples. The Compare tab runs the head-to-head without rebuilding each scenario from scratch.

Explore modeled examples in our 15-year vs 30-year mortgage comparison, PMI and when it can end, and bi-weekly vs monthly payments in Canada guides.