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Free Tool

Second Mortgage Calculator

Estimate the fixed monthly payment on a second mortgage, see your combined loan-to-value, and compare how the term changes your payment and total interest.

Loan Details

Keep your first mortgage and borrow against your equity

Your Home
$
$
Second Mortgage
$
$10K$1M
%
3%14%
Combined Payment (Optional)
$

Second Mortgage Payment

Fixed principal & interest

,
Monthly Payment
Breakdown
Total Interest,
Total of Payments,
Number of Payments,
First + Second Balance,
Combined Loan-to-Value,
First + Second Payment,
Estimates only. Assumes a fixed rate and a fully amortizing loan. Payment shown is principal and interest on the second mortgage only and does not include taxes, insurance, or fees. Not a commitment to lend.
Compare Terms at This Rate

Same loan amount and rate, select a row to switch terms

TermMonthly PaymentTotal InterestTotal of Payments

How a Fixed Second Mortgage Works

A fixed second mortgage funds as a lump sum at closing with a fixed rate and a fixed payment. It sits behind your existing first mortgage, so you keep your current first mortgage and its rate in place.

Interest is charged on the full balance from day one, and every payment includes principal and interest, so the balance pays down on a set schedule. A shorter term means a higher payment but less total interest.

A fixed second mortgage is often a fit when you know the amount you need up front. If the amount is uncertain or ongoing, a HELOC may be the better fit, see the HELOC Calculator.

This calculator is for illustration and educational purposes only. Results are estimates based on the information you enter and example rates; they are not a loan offer, rate quote, pre-approval, or commitment to lend. Actual rates, payments, terms, and eligibility depend on credit, income, property, program guidelines, and lender approval. Not all borrowers or properties will qualify.

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