Home Equity Loan Comparison: Payments and Costs

A home equity loan comparison calculator estimates the monthly payment and total interest on a fixed-rate loan, using the loan amount, APR, and term you enter. Compare scenarios by changing those inputs; the results are arithmetic estimates, not lender offers or approval predictions.

Formula

The calculator models equal monthly payments on a fixed-rate, fully amortizing loan. First, it calculates the monthly payment using:

Payment = round[P × r ÷ (1 − (1 + r)⁻ⁿ), 2]

• P is the amount borrowed, in dollars.
• APR is the annual percentage rate entered as a percentage.
• r is the monthly rate, calculated as APR ÷ 1,200.
• n is the number of monthly payments, calculated as loan term in years × 12.
• Payment is the estimated monthly principal-and-interest payment, rounded to cents.

Total interest is estimated as payment × n − P. Because the payment is rounded to cents before this total is calculated, the result uses the same payment shown above. The model assumes payments continue for the full term; it does not account for a payoff before then.

Worked Example

Using the calculator’s default values—$20,000 principal, 8% APR, and a 5-year term:

1. Convert the APR to a monthly rate: 8 ÷ 1,200 = 0.0066667.
2. Convert the term to payments: 5 × 12 = 60 months.
3. Substitute into the payment formula: $20,000 × 0.0066667 ÷ [1 − (1.0066667)⁻⁶⁰].
4. Round the result to cents: the estimated payment is $405.53 per month.
5. Calculate total interest using the rounded payment: $405.53 × 60 − $20,000 = $4,331.80.

Assumptions

• The interest rate is fixed and remains unchanged for the full term.
• Payments are made monthly, with the first payment one month after borrowing.
• Interest compounds monthly at the entered APR divided by 12.
• Fees, taxes, insurance, escrow, and any other charges are not included.

How to Compare Home Equity Loans

A home equity loan generally provides a lump sum secured by equity in a home, which is the difference between the home’s value and debts secured by it. The borrower repays the amount through scheduled payments. It is distinct from a home equity line of credit (HELOC), which generally allows borrowing and repayment over time under a credit limit. Product terms and features vary, so compare the actual written disclosures rather than assuming all loans work alike.

For a useful comparison, enter the same requested amount in each scenario, then use each lender’s quoted APR and term. If the amount borrowed differs, the payment difference cannot be attributed to price or term alone. Keep a record of the inputs and results, and separately examine details the calculator does not model:

• Whether the quoted rate is fixed for the entire repayment period.
• Fees and any required upfront or ongoing charges, as listed by the lender.
• Whether the payment includes principal and interest only or other items.
• Payment dates, early-payoff terms, and any conditions that could change the amount owed.
• The total repayment amount and the amount of interest over the scheduled term.

APR can help reflect borrowing cost, but the meaning and included charges depend on the specific disclosure and product. Do not treat the calculator’s APR input as a complete fee comparison. Enter the lender’s exact figures where available and confirm how the lender defines the quoted rate and payment.

Reading Results and Common Misconceptions

A longer term usually produces a lower scheduled payment for the same principal and rate, but it also means more monthly payments. In this calculator, that can lead to higher total interest across the full term. A shorter term may show a higher payment while reducing the duration of interest accrual. These are mathematical effects under the stated assumptions, not a prediction of an individual offer.

For example, changing the term from five years to ten years while keeping the principal and APR unchanged will change both outputs. To understand the difference, compare the monthly payment and total interest together. A lower payment alone does not establish that one loan costs less overall.

Another misconception is that a home equity loan’s payment is the total cost of borrowing. This estimate excludes fees and other charges, and it does not assess the consequences of using a home as collateral. If required payments are not met, the home may be at risk under the loan agreement and applicable rules. Read the contract and disclosures carefully; the calculator cannot determine the consequences for a particular borrower.

Limits and Alternatives

This tool compares the payment arithmetic for one fixed-rate lump-sum loan at a time. It does not calculate a HELOC’s variable balance or draw-period payments, compare offers with different fees, estimate home value or available equity, or determine eligibility. It also cannot account for changing rates, extra payments, missed payments, or a different payment schedule. For a fair comparison involving fees, ask the lender for the amount financed, payment schedule, and total amount payable under the actual offer.

Depending on the purpose and terms being considered, readers may also compare other financing structures, such as a HELOC or an unsecured personal loan. These differ in how funds are accessed, how rates and payments may work, and whether the home secures the debt. Their costs cannot be compared from this calculator alone; use the terms and disclosures for each option and assess them on a consistent borrowing amount and time period.

Frequently Asked Questions

What is the difference between a home equity loan and a HELOC?
A home equity loan generally provides a lump sum repaid on a schedule. A HELOC generally lets the borrower draw funds as needed, subject to its terms and credit limit. Rate structure, payment rules, and fees depend on the agreement.

Does this calculator include closing costs or fees?
No. It estimates principal-and-interest payments and interest from the amount, APR, and term entered. Check the lender’s disclosure for fees and other charges.

Why does a longer term reduce the monthly payment?
The same principal is spread across more scheduled payments. Under the calculator’s assumptions, the longer repayment period can also result in more total interest.

Is the calculator result a loan offer?
No. It is an estimate based only on the values entered. It does not predict approval, available loan amounts, or the terms a lender may offer.

Can I compare offers with different loan amounts?
You can calculate each scenario, but differences in payment will reflect the different amounts as well as any rate or term changes. To isolate rate and term differences, use the same principal for each comparison.

The result is an estimate, and the lender’s disclosure gives the exact figures.

Related

• Installment Loan vs Line of Credit: How They Work
• Installment Loan Calculator: Secured or Unsecured?
• Cheap Home Loan Comparison Calculator

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 | $ | round(p * (apr / 1200) / (1 - (1 + apr / 1200) ^ -(yrs * 12)), 2) | 2
out int | Total interest | $ | pmt * yrs * 12 - p | 2