Side-by-Side Comparison
Last reviewed: April 2026
This calculator compares the costs of a home equity line of credit (HELOC) against a cash-out refinance side by side. It factors in interest rates, closing costs, draw periods, and repayment terms to help you choose the best way to access your home equity.
When you need to access your home equity, two primary options exist: a home equity line of credit (HELOC) and a cash-out refinance. Each has fundamentally different structures, costs, and risk profiles. A HELOC acts like a credit card secured by your home — you get a revolving credit line, draw funds as needed, and pay variable interest only on what you borrow. A cash-out refi replaces your entire existing mortgage with a new, larger mortgage and gives you the difference in cash at a fixed rate. The right choice depends on how much you need, current rates, how long you plan to stay in the home, and your tolerance for rate fluctuations. Compare your current mortgage with our Mortgage Calculator.
A HELOC is often the better choice when you have a low existing mortgage rate that you don't want to lose, need flexible or ongoing access to funds, or need a relatively small amount (under $50K). HELOC closing costs are typically $0–$500, dramatically less than a cash-out refi. The downside is the variable interest rate — if rates rise, your payments rise too. HELOCs also have a draw period (5–10 years of interest-only payments) followed by a repayment period (10–20 years of principal + interest) which can cause payment shock. Track how rate changes affect your payments with our Amortization Calculator.
A cash-out refinance is typically better when you need a large lump sum, want the certainty of a fixed rate, or can refinance at a rate close to or below your current mortgage rate. The big advantage is rate certainty — your payment is locked in for 15 or 30 years. The disadvantage is high closing costs (2–5% of the new loan amount, often $5,000–$15,000+) and resetting your mortgage clock. If you've been paying your mortgage for 10 years and refinance into a new 30-year term, you're adding 10 years of payments. Run the numbers carefully with our Refinance Calculator and understand the total interest cost over the life of the loan.
| Feature | HELOC | Cash-Out Refinance |
|---|---|---|
| Rate type | Variable (usually) | Fixed |
| Closing costs | $0–$2,000 | $3,000–$10,000+ |
| Access to funds | Draw as needed (revolving) | Lump sum at closing |
| Replaces existing mortgage? | No (second lien) | Yes (new first mortgage) |
| Best for | Ongoing/uncertain needs | Large, one-time needs |
Choosing between a home equity line of credit and a cash-out refinance is fundamentally a question about rate structure, access pattern, and time horizon. The right answer depends on how much you need, when you need it, how quickly you will pay it back, and what interest rate environment you are entering.
A HELOC functions like a credit card secured by your home. You receive a credit line (typically up to 80–85% of your home's value minus your existing mortgage balance) and draw against it as needed during a 5–10 year draw period. You pay interest only on what you borrow, and rates are usually variable — tied to the prime rate plus a margin of 0.5–2%. After the draw period, you enter a 10–20 year repayment period where you can no longer borrow and must pay principal plus interest. Monthly payments can increase substantially during repayment, catching homeowners off guard.
A cash-out refinance replaces your existing mortgage with a new, larger one — the difference is paid to you in cash. You get a fixed rate locked for 15–30 years, one predictable payment, and no surprises. However, you restart your amortization clock, pay closing costs (typically 2–5% of the new loan), and your rate applies to the entire mortgage balance — not just the new money.
HELOCs excel when you need flexible, intermittent access to funds — home improvements done in phases, ongoing education expenses, or a business funding line. They also win when you already have a low mortgage rate you do not want to replace. If your existing mortgage is at 3.5% and current rates are 6.5%, a cash-out refinance would reprice your entire balance upward. A HELOC lets you keep the low first mortgage and borrow only the incremental amount at the higher rate. Closing costs for HELOCs are minimal ($0–$500) compared to the thousands required for a refinance.
Cash-out refinancing wins when you need a large lump sum ($50,000+), want rate certainty, and current mortgage rates are comparable to or lower than your existing rate. It also wins when you want to consolidate high-interest debt into one fixed payment — though this strategy carries risk, because you are converting unsecured debt into debt secured by your home. If you default on credit card debt, you face collections; if you default on a mortgage, you face foreclosure. Cash-out refinancing also provides slightly lower rates than HELOCs (typically 0.25–0.75% lower for the same credit profile) because lenders face less risk with a first-lien position.
In rising rate environments, a fixed-rate cash-out refi locks in your cost while HELOC rates climb with each Fed increase. In falling rate environments, a variable HELOC automatically becomes cheaper without requiring a refinance. If rates are volatile and you are uncertain about direction, a HELOC with a rate cap or a fixed-rate HELOC option (offered by some lenders) provides a middle ground — variable rates with a ceiling. Compare offers using the APR calculator to account for all fees and rate structures in a single comparable number.
Both options reduce your available home equity, but they affect your credit profile differently. A HELOC shows as a revolving credit line — carrying a large balance increases your debt-to-income ratio and can lower your credit score through utilization effects. A cash-out refinance shows as an installment loan with a fixed paydown schedule, which credit models tend to treat more favorably. If you plan to apply for additional financing (auto loan, business loan, investment property mortgage) within 1–2 years, consider how each option affects your overall borrowing capacity.
Many homeowners find that consulting with two or three lenders and comparing both HELOC and cash-out offers side by side — using identical equity amounts and repayment timelines — reveals the better deal for their specific financial situation more clearly than any rule of thumb.
See also: Mortgage Calculator · Refinance Calculator · Amortization Calculator · Home Equity Calculator · Backdoor Roth Calculator
→ If you plan to move within 5 years, a HELOC usually wins. HELOCs have minimal closing costs ($0–$500) versus 2–5% for a cash-out refinance. Over a short time horizon, the lower upfront cost outweighs the variable rate risk. Over 10+ years, the fixed rate of a cash-out refi provides more certainty.
→ Don't refinance a low-rate mortgage to access equity. If your current mortgage rate is 3–4% and cash-out refi rates are 6–7%, you're giving up a below-market rate on your entire balance — not just the new cash. A HELOC lets you keep the low-rate first mortgage intact. Use our HELOC Calculator to model the draw-period costs.
→ Cash-out refinances reset your amortization clock. If you're 10 years into a 30-year mortgage and refinance into a new 30-year, you're extending your payoff by a decade. This adds substantial total interest even at the same rate. Consider a 20-year term to maintain your original payoff timeline.
→ Factor in the full closing cost picture. Cash-out refinance closing costs include appraisal, title insurance, origination fees, and often points — typically $5,000–$15,000 on a $300,000 loan. HELOCs may charge annual fees ($50–$100) and early closure penalties if paid off within 2–3 years. Compare with our Refinance Calculator.
See also: HELOC Calculator · Refinance Calculator · Home Affordability Calculator · Mortgage Calculator