Available Credit
Monthly Draw Payment
Monthly Repayment
Table of Contents
What is a HELOC?
A Home Equity Line of Credit (HELOC) is a revolving credit facility that lets you borrow against the equity built up in your home. Because your house serves as collateral, lenders are able to offer larger credit limits and lower interest rates than unsecured credit cards or personal loans. The maximum amount you can borrow is based on your home's current market value minus what you still owe on your mortgage, subject to the lender's combined loan-to-value (CLTV) limit.
HELOCs are popular tools for homeowners who need flexible access to capital — whether for home improvements, debt consolidation, education expenses, or emergency funds. Because you only pay interest on the amount you actually draw, not on the full credit limit, a HELOC can be a very cost-effective borrowing option when used responsibly.
How does a HELOC work?
A HELOC operates in two phases: the draw period and the repayment period. During the draw period — typically 5 to 10 years — you can borrow money from the credit line up to your limit, repay it, and borrow again much like a credit card. Most lenders require interest-only payments during this phase, which keeps monthly costs low while you have the flexibility to access funds.
Once the draw period ends, the line closes and the repayment phase begins — usually lasting 10 to 20 years. You can no longer draw funds, and your outstanding balance is amortized into fixed monthly principal-and-interest payments. If you drew the full credit line during the draw period, your repayment payments will be significantly higher than your previous interest-only payments, so planning ahead is important.
What is LTV and why does it matter?
Loan-to-Value (LTV) ratio is the percentage of your home's appraised value that lenders will allow you to borrow against in total — including both your primary mortgage and the HELOC. Most lenders cap the combined LTV at 80%, though some allow up to 85% or 90% for well-qualified borrowers. The formula is: Available HELOC = (Home Value × Maximum CLTV) − Existing Mortgage Balance.
For example, if your home is worth $450,000 and you owe $250,000 on your mortgage with an 80% CLTV cap, the maximum HELOC credit line is ($450,000 × 0.80) − $250,000 = $110,000. Borrowing up to the maximum LTV leaves little equity cushion, which can be risky if property values decline — you could end up owing more than your home is worth.
HELOC vs Home Equity Loan
A HELOC is a revolving line of credit with a variable interest rate, giving you on-demand access to funds throughout the draw period. A home equity loan (sometimes called a second mortgage) provides a fixed lump sum at a fixed interest rate, repaid in equal monthly installments over a set term. Choose a home equity loan when you have a specific, one-time expense and want predictable payments. Choose a HELOC when you need ongoing, flexible access to funds or aren't sure exactly how much you'll need.
Interest rates on home equity loans are typically slightly higher than HELOC introductory rates but offer the security of never changing. HELOCs carry rate risk — if the prime rate rises, your payments increase. In high-rate environments, some homeowners prefer the certainty of a home equity loan; in falling-rate environments, the variable HELOC can save money.
How much can I borrow with a HELOC?
The amount you can borrow depends on three factors: your home's current appraised value, your outstanding mortgage balance, and the lender's maximum CLTV ratio. Most lenders allow a combined LTV of up to 80%, meaning the sum of your mortgage and HELOC cannot exceed 80% of the appraised value. Lenders also evaluate your credit score, income, and debt-to-income ratio when determining the final credit limit.
Keep in mind that just because a lender offers you a certain credit limit doesn't mean you should borrow the full amount. Borrowing close to your home's full equity leaves little buffer and increases the risk of going underwater if property values fall. Many financial advisors recommend keeping your total home debt below 70% of your home's value to maintain a healthy equity cushion.
What is the draw period vs repayment period?
The draw period is the initial phase of a HELOC, typically lasting 5 to 10 years, during which you can access funds from your credit line whenever you need them. During this time, most lenders require only minimum interest payments on the outstanding balance, making monthly costs relatively low. You can also make principal payments voluntarily to reduce your balance and free up credit for future use.
The repayment period follows the draw period and typically lasts 10 to 20 years. The credit line closes, and your outstanding balance is repaid through fully amortizing monthly payments that include both principal and interest. Many borrowers experience "payment shock" when transitioning from interest-only draw-period payments to the higher fully amortizing repayment payments — this calculator helps you anticipate that change before you commit.
HELOC interest rates explained
Most HELOCs carry variable interest rates indexed to the prime rate — the benchmark rate that major U.S. banks charge their most creditworthy customers. The prime rate is directly tied to the Federal Reserve's federal funds rate. Lenders typically set HELOC rates at prime plus a margin (e.g., prime + 0.50% to prime + 2.00%), depending on your creditworthiness.
As of early 2026, HELOC rates broadly range from 7% to 10% APR for qualified borrowers. Some lenders offer promotional introductory rates for the first 6 to 12 months. Because the rate is variable, your monthly payment can increase substantially if the Fed raises rates — a borrower who opened a HELOC at 5% in 2021 saw rates climb above 8% by 2023 as the Fed aggressively tightened monetary policy. Consider a fixed-rate lock option if rate stability is important to you.
When should you use a HELOC?
A HELOC is well-suited for situations where you need access to a large amount of money over time rather than all at once. Home renovation projects are the classic use case — you can draw funds as contractors complete each phase of work rather than borrowing a lump sum upfront. Because improvements can increase your home's value, this can be a productive use of equity.
Other appropriate uses include consolidating high-interest credit card debt (replacing 20%+ APR debt with 7–9% HELOC debt can save significant interest), funding education expenses, or creating an emergency financial backstop. However, HELOCs are generally not appropriate for discretionary spending, vacations, or day-to-day living expenses — using your home's equity for non-productive spending puts your home at risk if you cannot repay.
Pros and cons of a HELOC
The main advantages of a HELOC are flexibility, relatively low interest rates compared to unsecured debt, and interest-only payment options during the draw period. You only pay interest on what you borrow, not on the entire credit line. For large, ongoing expenses, few financing options are as cost-effective. HELOCs also typically have lower closing costs than a full cash-out refinance.
The downsides are meaningful: your home is collateral, meaning failure to repay can result in foreclosure. Variable rates introduce payment uncertainty. The transition from draw to repayment period can cause significant payment increases. Additionally, if your home's value falls, you could lose equity quickly. Discipline is essential — the ease of access can encourage overborrowing.
Is HELOC interest tax deductible?
Under current U.S. tax law (as established by the Tax Cuts and Jobs Act of 2017), HELOC interest is tax deductible only if the funds are used to "buy, build, or substantially improve" the home that secures the debt. If you use HELOC funds to renovate your kitchen or add a bathroom, the interest may be deductible. If you use the same HELOC to pay off credit card debt or buy a car, the interest is generally not deductible.
The deduction is available only to taxpayers who itemize deductions rather than taking the standard deduction. Given that the standard deduction was nearly doubled by the 2017 tax law, fewer homeowners itemize now than before. Always consult a qualified tax professional to determine whether HELOC interest is deductible in your specific situation, as tax laws can change and individual circumstances vary.
FAQs
A Home Equity Line of Credit (HELOC) is a revolving line of credit secured by the equity in your home. Unlike a traditional loan where you receive a lump sum, a HELOC works more like a credit card — you can draw funds up to your credit limit as needed during the draw period, repay them, and draw again. The credit limit is based on the difference between your home's appraised value and your outstanding mortgage balance, up to a lender-set LTV threshold (typically 80%).
HELOC interest is calculated on the outstanding balance you have actually drawn, not on the full credit limit. The rate is typically variable and tied to the prime rate plus a margin. For example, if you have drawn $30,000 at a 7.5% annual rate, your monthly interest charge would be $30,000 × (0.075 / 12) = $187.50. During the draw period, many HELOCs require interest-only payments, though you can pay down principal at any time.
A HELOC is best if you need ongoing access to funds over time, such as for home renovations in stages or a business with variable cash needs. A cash-out refinance replaces your entire mortgage with a new, larger loan and gives you the difference as a lump sum — it typically offers a fixed rate but resets your mortgage term. If current mortgage rates are higher than your existing rate, a cash-out refinance could be costly. A HELOC leaves your primary mortgage untouched and charges interest only on what you borrow.
Most lenders require a minimum credit score of 620 to qualify for a HELOC, but the best rates are reserved for borrowers with scores of 720 or higher. Lenders also evaluate your debt-to-income ratio (typically requiring it to be below 43%), your payment history, and the amount of equity in your home. A score above 700 combined with strong income documentation gives you the best chance of approval at competitive rates.
Most HELOCs carry variable interest rates that fluctuate with the prime rate, which is influenced by Federal Reserve policy decisions. When the Fed raises rates, your HELOC payment increases; when rates fall, your payment decreases. Some lenders offer a fixed-rate lock option that lets you convert a portion or all of your drawn balance to a fixed rate, providing payment stability. As of 2025–2026, HELOC rates generally range from 7% to 10% APR depending on creditworthiness and lender.
Yes, you can pay off a HELOC early at any time without penalty in most cases, though some lenders charge an early closure fee (typically $300–$500) if you close the line within two to three years of opening it. Paying down your balance early reduces the interest you owe and frees up available credit. Once the draw period ends, you cannot borrow additional funds — the remaining balance is repaid in fixed monthly installments over the repayment period.