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Mortgage Calculators

Payment, refinance, recast, affordability and payoff tools for home loans.

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Calculators

Mortgage Payment Calculator

Estimate your monthly mortgage payment (principal, interest, taxes, insurance and PMI) and total interest over the life of the loan.

Refinance Calculator (Break-Even)

Compare your current mortgage with a new loan, see your monthly savings, and find the break-even month where the refinance pays for its closing costs.

Mortgage Recast Calculator

See how a lump-sum principal payment lowers your monthly mortgage payment when you recast, keeping the same rate and remaining term.

Home Affordability Calculator (28/36 Rule)

Estimate the home price you can afford using the 28/36 debt-to-income rule, based on your income, debts, down payment and rate.

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Guides & articles

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What Is a Mortgage Recast? How Re-Amortization Lowers Your Payment

A recast lets you make a lump-sum payment and lower your monthly mortgage — without refinancing. Here's how it works, what it costs, and when it makes sense.

Mortgage Recast vs. Refinance: Which Should You Choose?

Both put more money toward your mortgage, but a recast lowers your payment while a refinance changes your rate. Here's how to decide.

Should I Refinance My Mortgage? The Break-Even Rule

Refinancing can lower your payment — but only if you stay past the break-even point. Here's how to run the numbers.

How Loan Amortization Works (With a Worked Example)

Amortization is why your early mortgage payments are almost all interest. Here's the formula and what it means for paying off a loan.

What Is PITI? The Four Parts of Your Mortgage Payment

Your mortgage payment is more than principal and interest. PITI adds taxes and insurance — and lenders use it to decide what you can afford.

How Much House Can I Afford? The 28/36 Rule Explained

The 28/36 rule is the fastest way to estimate your home budget. Here's how it works and how to raise your limit.