Wondering what it would really cost to borrow against your house? A home equity loan calculator turns your home value, mortgage balance and desired loan amount into a clear monthly payment in seconds, so you can estimate the cost before a lender ever pulls your credit. Enter four numbers, see how much equity you can tap, and decide whether the borrowing makes sense for your budget. Next, open the free mortgage calculator and enter your own details to see an estimate in seconds.
Your results
Monthly payment
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Most you could borrow
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Cash you receive
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APR with closing costs
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Loan details
Loan amount–
Closing costs–
Total interest–
Total of all payments–
Your equity after the loan
Combined loan-to-value–
Equity left in your home–
Year-by-year schedule
Principal and interest paid each year, and the balance left on the home equity loan.
Year
Principal
Interest
Ending balance
Results are estimates for educational purposes and are not financial, tax or legal advice.
Wondering what it would really cost to borrow against your house? A home equity loan calculator turns your home value, mortgage balance and desired loan amount into a clear monthly payment in seconds, so you can estimate the cost before a lender ever pulls your credit. Enter four numbers, see how much equity you can tap, and decide whether the borrowing makes sense for your budget. Next, open the free mortgage calculator and enter your own details to see an estimate in seconds.
How the Home Equity Loan Calculator Works
A home equity loan, often called a second mortgage, gives you a lump sum up front and charges a fixed interest rate for the whole repayment term. Because the borrower repays the same amount every month, the math is a standard installment-loan formula. The calculator applies it to your loan amount, interest rate and loan term, then splits every payment into principal and interest. Pair this with the amortization calculator for a fuller picture before you make a decision.
The fixed monthly payments come from this formula, where \(P\) is the amount you borrow, \(i\) is the monthly interest rate (the annual rate divided by 12) and \(n\) is the number of payments:
$$M = P \times \frac{i\,(1+i)^{n}}{(1+i)^{n} - 1}$$
Total cost is simply \(M \times n\), and the total interest you pay is that figure minus the principal you borrowed.
Inputs you enter
Each field maps to one piece of the calculation, and a lender will ask for the same information when you apply:
Home value: what a buyer would pay today, or the figure from a professional appraisal.
Mortgage balance: the remaining mortgage balance you still owe on your existing mortgage.
Loan amount: how much cash you want to borrow as a lump sum.
Interest rate: the annual rate quoted by the lender, usually fixed.
Loan term: the repayment period in years, commonly 5 to 15.
Closing costs: optional upfront fees, either paid at closing or rolled into the loan.
Home Equity Loan Payment Calculator Worked Example
Suppose a homeowner's property is worth $412,000 and the outstanding balance on the existing mortgage is $187,300. That leaves $224,700 of home equity, about 54.5% of the property value. The homeowner wants $64,500 for a kitchen renovation and is quoted 8.35% over 12 years (144 payments). Running those numbers through the formula gives: Next, open the rent calculator and enter your own details to see an estimate in seconds.
Result
Value
Loan amount
$64,500.00
Interest rate / loan term
8.35% / 12 years
Monthly payment
$710.62
Total of 144 loan payments
$102,329.18
Total interest
$37,829.18
Combined LTV after the loan
61.1%
The home equity loan payment of $710.62 stays the same every month, which makes budgeting easy, but the total interest adds roughly 59% on top of what was borrowed.
Amortization schedule: where each payment goes
Home equity loans are amortized, so early payments carry more interest. In month one, $448.81 of the $710.62 covers interest and only $261.81 reduces the principal, leaving a balance of $64,238.19. By the end of year 6 the amortization schedule shows the outstanding balance down to $40,137.48, and the final payment in month 144 clears the loan.
Each year of the example loan shifts more of the fixed payment from interest to principal.
How Much Home Equity You Can Borrow
Lenders cap borrowing with the loan-to-value ratio, usually shortened to LTV. Your available equity is the maximum LTV times the property value, minus the existing mortgage: If you want to see how the figures change, the free mortgage debt consolidation calculator gives you an instant result you can adjust as you go.
At an 85% LTV, the example home supports $412,000 × 0.85 − $187,300 = $162,900. Many lenders set the borrowing limit between 80% and 90% of market value, and some also apply a hard dollar cap.
At an 85% LTV the example home supports a maximum loan of $162,900.
Maximum LTV
Total debt allowed
Maximum home equity loan
60%
$247,200
$59,900
70%
$288,400
$101,100
80%
$329,600
$142,300
85%
$350,200
$162,900
90%
$370,800
$183,500
Home Equity Loan Monthly Payment by Term and Rate
Changing the loan term moves the home equity loan monthly payment and the total interest in opposite directions. On the same $64,500 at 8.35%, a shorter term costs more each month but far less overall:
Monthly payment on $64,500 by interest rate and loan term, with the 8.35% and 12-year example outlined.
Loan term
Monthly payment
Total interest
10 years
$794.54
$30,845.10
12 years
$710.62
$37,829.18
15 years
$629.50
$48,809.74
20 years
$553.64
$68,373.04
The interest rate matters just as much. Holding the 12-year term, a rate of 7.35% lowers the payment to $675.40, while 9.35% raises it to $746.80. A quoted rate depends on your credit score, your equity and the lender, so compare several offers.
Working Out a Home Equity Payment for a Furnace and Roof Repair
Dana's furnace fails in October, and the roofer's quote for flashing and decking adds up to $38,750 together. The house is worth $538,400 and the mortgage balance is $301,250, so before applying anywhere Dana opens the home equity loan payment calculator to see whether the numbers hold.
First comes the borrowing limit. At an 85% LTV the lender's cap is $538,400 × 0.85 − $301,250 = $156,390, far above the request. Borrowing $38,750 would put the combined LTV at 63.2%, comfortably inside that cap.
Next, the payment. Dana enters $38,750, a quoted rate of 8.10% and a 10-year term. The result is $472.19 a month with $17,913.34 of total interest. Gross income is $9,640 a month and current debts (the mortgage payment of $2,215 plus a $412 car loan) equal 27.3% of it. Adding $472.19 lifts the debt-to-income ratio to 32.1%, under the 43% ceiling many lenders use.
Term
Monthly payment
Total interest
Debt-to-income
10 years
$472.19
$17,913.34
32.1%
7 years
$605.90
$12,145.45
33.5%
Dana reruns the figures with the term changed to 7 years. The payment climbs by $133.71, yet the ratio only reaches 33.5% and the interest falls by $5,767.89. Because 33.5% still sits well under 43%, Dana takes the 7-year quote to the credit union and asks for the closing costs to be itemized before signing.
Closing Costs, APR and the True Cost of an Equity Loan
The upfront costs of a second lien typically include origination fees, appraisal fees, document fees and a title search. Together they often reach 2% to 5% of the loan, and they can be paid at closing or rolled into the loan. A no-closing-cost offer usually trades the fees for a higher rate and an early payoff penalty.
Why APR is the fair comparison
The annual percentage rate (APR) folds the fees into the rate. With 2.5% closing costs ($1,612.50) paid out of pocket, the example's 8.35% rate becomes an APR of about 8.86%. The calculator's monthly payment leaves fees out, so read it alongside the APR when you compare lenders; the pair shows which offer is cheaper once fees count.
Home Equity Loan vs HELOC and Other Options
A home equity line of credit, or HELOC, works differently. It is a revolving line of credit with a draw period during which you borrow as needed and may owe only a minimum payment on what you use. Most HELOCs carry a variable rate tied to the prime rate, while a home equity loan keeps a predictable fixed rate. If you need one large, one-time amount, the loan fits; for ongoing expenses, the line may.
Estimating a HELOC payment with a calculator
Many people look for a HELOC calculator when they really want to compare the two products side by side. The estimate for a HELOC is rougher, because the balance and the rate can both change after you start drawing. A common approach is to model the HELOC at today's rate during the draw, then rerun the numbers at a higher rate to see how a variable payment could grow. If the HELOC payment only holds up at the lowest rate, the fixed home equity loan is the safer fit.
Cash-out refinance as an alternative
A cash-out refinance replaces your existing mortgage with a bigger one and hands you the difference in cash. It can refinance at a lower mortgage rate, but it resets your whole mortgage and adds closing costs on the full balance. This calculator covers only the second loan, so price a cash-out option separately and set its payment next to the home equity loan payment. A home equity loan leaves your first mortgage untouched.
Qualifying for a Home Equity Loan
Lenders weigh your creditworthiness and the collateral behind the debt. The home is the collateral, so a missed payment can put it at risk. Typical requirements include:
A credit score of roughly 660 or higher for the best terms, since your credit history and credit profile drive the rate.
A debt-to-income ratio near 43%, because the lender compares your monthly debt and mortgage to your income.
At least 15% to 20% equity, with no unresolved liens or tax liens on the property.
A current appraisal that confirms the market value of the home.
Lowering Your Home Equity Payment
Your home equity payment is not fixed in stone before you sign. Borrowers with strong credit and a low combined LTV are often offered lower interest rates, so it pays to compare quotes from a bank, a credit union and an online lender on the same day. A few other levers move the payment too:
Borrow only what the project needs; every extra $5,000 adds roughly $55 to a 12-year payment at 8.35%.
Pick the shortest term your budget can carry, since a shorter schedule means less total interest.
Ask whether extra payments toward principal are allowed without a penalty.
Pay the closing costs in cash if that keeps the rate lower than a no-closing-cost loan.
Rerun the calculator after each change. Seeing the payment move by $40 or $80 a month is the quickest way to judge whether a different term or a smaller loan fits your household better.
Home Equity Loan Risks to Weigh Before You Borrow
Using your house as collateral is a serious financial commitment, and the payment and combined LTV the calculator shows are only the starting point. If property values fall, you could owe more than the home is worth, and if you cannot keep up with the payment, the lender can foreclose. Before you borrow, keep these points in mind:
Keep an emergency fund so a job loss does not turn into a missed payment.
Do not use the funds for spending that adds no lasting value; a roof repair or a new furnace is easier to justify than a vacation.
Remember that a second payment sits on top of your existing mortgage, so total housing costs rise.
Check the calculator's monthly payment and combined LTV against your finance picture, including savings and other debts, and speak with a licensed lender or housing counselor if the numbers feel tight.
Common Uses for Home Equity Loan Funds
Because the rate is usually lower than credit cards or personal loans, many homeowners borrow for a planned purchase. Popular uses include:
Home improvements: a renovation, roof repairs or kitchen remodels that can raise the value of the property.
Debt consolidation: paying off a credit card balance to lower interest costs.
Education: tuition or a student loan payoff.
Medical expenses and other large bills.
A wedding or starting a small business.
Whatever the reason, budgeting for the payment first keeps the debt predictable. Use the estimates from the calculator as a starting point, then confirm real figures with your bank or credit union before you commit.
Home Equity Loan Calculator questions
How does a home equity loan calculator work?
It takes the amount you want to borrow, the interest rate and the loan term, then applies the standard installment formula to return a fixed monthly payment, the total interest and the full cost of the loan. Add your home value and mortgage balance and it also estimates how much equity you can borrow.
How much can I borrow against my home?
Multiply your home value by the lender's maximum loan-to-value ratio, then subtract your mortgage balance. Many lenders use 80% to 90%, and credit, income and a minimum loan amount also affect approval.
What is the difference between a home equity loan and a HELOC?
A home equity loan pays a lump sum with a fixed rate and a fixed monthly payment. A HELOC is a revolving line of credit with a draw period, usually a variable rate, and a minimum payment based on what you have borrowed.
What do closing costs add to a home equity loan?
Origination, appraisal, document and title fees often total 2% to 5% of the loan. Including them in the calculator shows the APR, which is the fairer figure for comparing lenders.
What credit score and debt-to-income ratio do I need?
Requirements vary by lender. Many look for a score of about 660 or higher and a debt-to-income ratio near 43% or lower, with 15% to 20% equity remaining after the loan.
Is a home equity loan payment separate from my mortgage payment?
Yes. A home equity loan is usually a second lien with its own fixed payment, due in addition to your first mortgage payment.
Is the interest on a home equity loan tax deductible?
Interest may be deductible only when the funds buy, build or substantially improve the home that secures the loan, and only if you itemize. Ask a tax professional about your situation.