About the Home Equity Loan Calculator
Home Equity Loan Calculator helps estimate the key numbers involved in mortgage & real estate decisions. It is designed for quick scenario comparison: enter a realistic set of values, calculate the result, then change one assumption at a time to see what has the greatest effect. Unlike a static table, the result responds to your inputs and keeps the calculation in your browser. Amounts are displayed in U.S. dollars for consistency, but the mathematical formulas can be used with another currency when every monetary input uses that same currency.
How to use this calculator
Enter values that match your situation and select Calculate result. Review the main result and its supporting figures, then change one input at a time to compare scenarios. Results are rounded for readability while the calculation retains additional precision internally.
Information you will need
- Loan amount
- Loan term
- Interest rate
- Compounding
- Payment frequency
- Extra payment
How the calculation works
Standard fixed-payment amortization with compound frequency options. Finds the level payment that reduces the balance to zero. Read the primary result together with the supporting values rather than focusing on one number alone. A useful estimate should make its assumptions visible. If the answer looks surprising, verify the unit, rate, time period, and whether the entered value is gross or net. Run a conservative and an optimistic scenario to understand the range of possible outcomes.
Formula or method
Payment = P × r(1+r)n / ((1+r)n - 1). At zero interest, payment = P / n.
Worked example
$100,000 at 6.5% for 10 years with monthly compounding costs about $1,135/month.
The example is illustrative rather than a recommendation. Use your own verified values and keep all monetary or measurement units consistent. When comparing alternatives, save or note each result so the assumptions do not become mixed.
How to interpret the result
The primary output answers the main question posed by the home equity loan calculator, while the additional cards provide context. A result with many decimal places is not necessarily more certain. The displayed precision makes comparison easier, but uncertainty in the inputs can be larger than the rounding difference.
Compare the result with a second scenario using a less favorable rate, return, cost, or time period. This sensitivity check often provides more useful planning information than one best-case projection.
Limitations and important notes
The home equity loan calculator is a planning tool, not a quote, filing calculation, lending decision, or promise of future performance. It does not automatically retrieve live market rates or apply every fee, tax bracket, program rule, product limit, or state law. Rules for products such as FHA, VA, Social Security, retirement accounts, and taxes can change. Confirm time-sensitive values with the lender, plan administrator, IRS, SSA, or another relevant authority before acting.
Frequently asked questions
What is a home equity loan?
A home equity loan lets you borrow against the equity in your home, which is the market value minus your remaining mortgage. It provides a lump sum at a fixed interest rate, repaid in equal installments over a set term, typically 5-30 years. Your home serves as collateral, so rates are usually lower than credit cards or personal loans. It is a common choice for large, one-time expenses like renovations or debt consolidation.
How much equity do I need for a home equity loan?
Most lenders require at least 15-20% equity in your home. On a $400,000 home with a $250,000 mortgage balance, you have $150,000 in equity (37.5%), which comfortably qualifies. Most lenders also cap your combined loan-to-value at 80-85%, meaning your mortgage plus the new loan cannot exceed that percentage of the home's value. The calculator helps you determine available equity and estimate your borrowing power.
What is the difference between a home equity loan and HELOC?
A home equity loan gives a fixed lump sum with fixed payments over a set term. A HELOC (Home Equity Line of Credit) is a revolving credit line you can draw from as needed, usually with a variable rate. Choose a loan for one-time, predictable expenses and a HELOC for ongoing needs or projects paid in phases. Both are secured by your home, so defaulting puts your property at risk.
How much can I borrow with a home equity loan?
Most lenders let you borrow up to 80-85% of your home's combined loan-to-value, meaning your current mortgage plus the new loan cannot exceed that percentage. On a $400,000 home with a $250,000 mortgage, 80% is $320,000, leaving roughly $70,000 in available equity. Lenders also consider your credit score, income, and debt-to-income ratio. Loan amounts typically start around $25,000-$35,000.
Are home equity loan interest rates fixed or variable?
Home equity loans have fixed interest rates, so your monthly payment stays the same for the entire term. That predictability makes them ideal for one-time, known expenses like a major renovation or debt consolidation. Rates are often slightly higher than primary mortgage rates but lower than credit cards. Because the loan is secured by your home, defaulting puts your house at risk. Compare offers from multiple lenders to get the best fixed rate.
Is home equity loan interest tax deductible?
Interest is deductible only if you use the loan to buy, build, or substantially improve your home. Money spent on other purposes, like paying off credit cards or buying a car, is not deductible. Total deductible mortgage debt is capped at $750,000 for married couples filing jointly ($375,000 if married filing separately), which includes your first mortgage plus any home equity debt. Keep records showing how the funds were used in case of an audit.
What are the risks of a home equity loan?
The biggest risk is that your home secures the loan, so missing payments can lead to foreclosure. Borrowing too much can leave you with negative equity if home prices decline, making it hard to sell or refinance. You will also pay closing costs and fees that add to the total cost. Before borrowing, make sure you have stable income, an emergency fund, and a clear plan for repayment beyond the minimum term.