Home Equity Loan Cost: Payments, Interest and Fees

A home equity loan’s cost depends on how much you borrow, the APR, the repayment term, and lender fees. This calculator estimates the monthly principal-and-interest payment and total interest from the loan amount, APR, and term; it does not add fees or other housing costs.

Formula

The calculator uses the standard fixed-payment amortization formula. It converts annual APR to a monthly rate, then calculates the payment that repays the principal and interest over the selected number of months.

• P is the amount borrowed, in dollars.
• APR is the annual percentage rate, entered as a percentage.
• r is the monthly interest rate: APR ÷ 1,200.
• n is the number of monthly payments: years × 12.
• Payment = P × r ÷ [1 − (1 + r)⁻ⁿ]. The displayed payment is rounded to cents.
• Total interest = displayed monthly payment × n − P. Because the monthly payment is rounded first, this estimate can differ slightly from an unrounded mathematical total.

The output is an estimate for a fully amortizing loan with level monthly payments and a fixed APR. It is not a quote: enter figures supplied by a lender to model a specific offer.

Worked Example

Using the calculator’s defaults—$20,000 borrowed, 8% APR, and a five-year term—the monthly rate is 8 ÷ 1,200 = 0.0066667, and the number of payments is 5 × 12 = 60.

Payment = 20,000 × 0.0066667 ÷ [1 − (1 + 0.0066667)⁻⁶⁰] ≈ $405.53 per month. Total paid using the rounded payment is $405.53 × 60 = $24,331.80. Estimated total interest is $24,331.80 − $20,000 = $4,331.80.

Assumptions

• The APR and payment amount stay fixed for the entire term.
• Payments are monthly, with the first payment one month after borrowing.
• Interest compounds monthly at APR ÷ 12.
• Fees, taxes, insurance, property costs, and any escrow or mortgage insurance are not included.

What Goes Into the Cost of a Home Equity Loan?

A home equity loan is generally a lump-sum loan secured by a home. The principal is the amount borrowed; interest is the charge for borrowing it over time. A longer term usually spreads repayment across more months, reducing the scheduled payment for the same principal and APR, but it can increase total interest because interest accrues for longer.

The calculator covers principal and interest only. A lender’s offer may also include charges such as an application, appraisal, title, recording, or closing fee. Which charges apply and how much they are vary by lender and transaction, so request an itemized estimate rather than assuming a standard amount. A fee paid upfront affects the cash needed at closing; a fee added to the balance can also increase interest if it is financed.

Ask whether a quoted APR includes particular charges and how the lender defines it. Compare the same loan amount and repayment term when evaluating estimates. A lower monthly payment by itself does not establish a lower overall cost if the term is longer or fees differ.

How Home Equity Loan Payments Work

With a level-payment, fixed-rate structure, each scheduled payment covers interest due for that period and reduces principal by the remainder. Early payments generally include a larger interest share because the outstanding balance is higher; as the balance falls, more of each payment goes toward principal. The loan is designed to reach a zero balance after the scheduled payments, subject to the contract’s terms and payment timing.

A home equity loan differs from a home equity line of credit (HELOC): a loan typically provides a lump sum with a repayment schedule, while a line of credit allows borrowing up to a limit under its own draw and repayment terms. Those structures can produce different payment patterns. This calculator models neither a revolving line nor a changing-rate loan.

How to Estimate Your Actual Borrowing Cost

1. Get the proposed loan amount, APR, term, and payment schedule from the lender.
2. Enter the amount, APR, and term. Check that the APR is entered as a percentage—for example, enter 8 for 8%, not 0.08.
3. Review the estimated payment and total interest, then compare them with the lender’s disclosed figures.
4. Add applicable upfront or financed fees separately if you want a broader cost estimate; do not count the same fee twice.
5. Check the loan documents for payment dates, rate terms, prepayment provisions, and any charges not represented here.

Rounding matters. The displayed payment is rounded to the nearest cent, while a lender may calculate and disclose amounts under its own schedule and rounding conventions. A small difference in the final payment or total is possible. If the loan has a variable rate, irregular payments, a deferred-payment period, or a balloon payment, this fixed-rate formula will not reproduce its full schedule.

Common Cost Questions and Misconceptions

Does the calculator show the full amount I will pay? It shows scheduled principal and interest under its assumptions, not the full transaction cost. Fees, taxes, insurance, and other property-related payments are outside the calculation.

Does a lower monthly payment mean a cheaper loan? Not necessarily. A longer term can lower the scheduled payment while increasing the number of months interest is charged. Compare total payments and fees as well as the monthly amount, using consistent loan assumptions.

Is home equity the same as the amount I can borrow? No. Home equity is the difference between a home’s value and debts secured against it. The calculator estimates payments for a chosen loan amount; it does not determine a borrowing limit, approval, or eligibility. Any applicable figures must come from the lender.

A home equity loan is secured by the home, so missed payments can have serious consequences, including the risk of losing the property under the loan agreement and applicable processes. Consider the payment schedule and the consequences described in the lender’s documents; this calculator cannot assess individual circumstances.

Frequently Asked Questions

How much would a $20,000 home equity loan cost per month?
At the calculator defaults of 8% APR for five years, the estimated payment is $405.53 per month, with $4,331.80 in total interest. Different APRs, terms, fees, and payment terms change the result.

What fees can come with a home equity loan?
Possible charges include application, appraisal, title, recording, or closing fees, but charges vary. Ask the lender for an itemized estimate and check whether any fee is paid upfront or added to the loan balance.

Does this estimate include closing costs?
No. It estimates principal and interest only. Add any applicable charges separately, and check the lender’s disclosures for the exact figures and payment schedule.

Is a home equity loan payment fixed?
This calculator assumes a fixed APR and equal monthly payments. The actual loan’s rate and payment terms depend on its contract; a variable-rate or otherwise nonstandard schedule is not modelled.

Can I use this calculator for a HELOC?
Not for a full HELOC cost estimate. A HELOC is a revolving credit line that may have separate draw and repayment periods and different rate terms, unlike the lump-sum, fixed-payment loan model used here.

This result is an estimate; the lender’s disclosure gives the exact figures.

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in p | Loan amount | $ | 20000 | 1 | 100000000
in apr | Interest rate (APR) | % | 8 | 0.01 | 100
in yrs | Loan term | years | 5 | 0.0833 | 50
out pmt | Monthly payment | $ | p * (apr / 1200) / (1 - (1 + apr / 1200) ^ -(yrs * 12)) | 2
out int | Total interest | $ | pmt * yrs * 12 - p | 2