HELOC to Pay Off Credit Card Debt: Calculator 2026

TL;DR

HELOC pros (math):

• Typical APR 8-10% (May 2026, per Federal Reserve H.15). 12-15 percentage points below typical credit card APRs.
• Long repayment terms (often 10-20 year draw + repayment combined)
• Interest may be tax-deductible if used for “substantial home improvements” (does NOT apply to credit card payoff per IRS rules)

HELOC cons (structural):

• Secured by your home. Default risk = foreclosure risk.
• Variable rate on most HELOCs. APR can rise during the repayment period.
• Closing costs $0-1,000 typically (some lenders waive)
• “Draw period” then “repayment period” structure means monthly payments can change dramatically

When HELOC math works

For a homeowner with $20,000 in credit card debt at 23% blended APR and access to a HELOC at 9% APR:

• Status quo (avalanche on cards): 60 months at $500/mo = $30,000 paid, $10,000 interest
• HELOC at 9% on $20,000, 10-year term: $253/mo, total paid $30,360, total interest $10,360
• That looks similar; the 9% rate over 10 years vs 23% over 5 years is roughly equivalent in total interest

For shorter HELOC terms (5-7 years), savings appear:

• HELOC at 9% over 5 years: $415/mo, total paid $24,900, total interest $4,900
• Savings vs status quo cards: $5,100

The savings are real, but the foreclosure risk is also real. If income disrupts in year 3 of a 5-year HELOC, the consequence is different from defaulting on a credit card.

When HELOC is the wrong choice

• You do not have stable income covering the new payment plus your other obligations
• Your job security is uncertain or industry is volatile
• You have a history of running up credit cards (HELOC frees up the cards’ available credit)
• You can finish in a 0% APR balance transfer or a 12-month aggressive payoff (those carry no foreclosure risk)
• You may need to sell the house in the next 5 years (HELOC complicates closing)

Run the comparison

The pillar tool and debt consolidation calculator compare HELOC vs personal loan vs credit card payoff side by side. The HELOC scenario explicitly flags the secured-debt risk in the output.

Inputs:

• Total credit card balance and current APR
• Quoted HELOC APR (variable; check Fed H.15 for current 5-year average)
• HELOC closing costs
• Term length you would commit to
• Monthly payment available

Outputs:

• Total cost under HELOC (math only)
• Total cost staying on cards
• Risk flag: secured vs unsecured debt comparison

The variable-rate HELOC reality

Most HELOCs have a variable APR tied to the prime rate. Per Federal Reserve H.15, prime as of Q1 2026 is around 8.5%. HELOCs typically run prime + 0 to 2 points (giving the 8.5-10.5% range).

If prime rises by 2 points during your HELOC term, your APR rises by 2 points. On a $20,000 balance, that is roughly $400/year in additional interest. Worse during the repayment period when balance is low and the rate change matters less, but still real.

The defensive play: assume HELOC rates may rise 1-3 points during your repayment. If the math still works at the higher rate, the HELOC is robust. If it does not, the HELOC is rate-dependent and risky.

Why we lead with the foreclosure warning

Credit card default leads to: collection calls, late fees, credit score damage, and eventually charge-off. Not pleasant, but recoverable.

HELOC default leads to: all of the above plus the lender’s lien on your home. If you cannot pay, the lender can initiate foreclosure (state-by-state process; typically 6-18 months from first missed payment to auction in most states).

Converting credit card debt to HELOC debt is moving an unsecured obligation to a secured one. The math advantage is real. The risk transfer is also real. We do not soft-pedal this.

Draw period vs repayment period

Most HELOCs have a 5-10 year “draw period” where you can borrow against the line and pay only interest, followed by a 10-20 year “repayment period” where you must pay principal + interest.

During the draw period, the monthly payment can be very low (interest-only on a $20,000 balance at 9% = $150/mo). When the repayment period begins, the payment jumps to fully amortized (often 2-3x higher).

People who “use the HELOC to pay off cards” sometimes only see the low draw-period payment and are unprepared for the repayment-period jump. Always model the FULL period including the repayment-phase payment when comparing to credit card payoff.

HELOC interest deductibility

Per IRS rules (post-2017 Tax Cuts and Jobs Act), HELOC interest is deductible only when the funds are used for “substantial improvements” to the secured home. Using a HELOC to pay off credit card debt does not qualify. The interest is NOT tax-deductible.

This is a common myth. We have seen consolidation pitches imply “interest is tax-deductible” without specifying the use restriction. Read the IRS Publication 936 for the actual rule.

Closing costs and fees

HELOCs typically have:

• Application fee: $0-100
• Appraisal: $300-600 (often required)
• Title search: $100-300
• Annual fee: $0-100 (some lenders)
• Inactivity fee: $0-50/year (some lenders, charged if you do not draw)
• Early closure fee: $0-500 (some lenders, if you close within 3 years)

Total upfront: typically $300-1,500. Some lenders waive most fees for prime borrowers; check the disclosure box.

When HELOC beats balance transfer

• Balance is too large for any single 0% APR card to absorb (typically $25,000+)
• You need 5-10 year payoff timeline (longer than typical loan terms)
• You have stable equity and stable income
• You have NEVER run up credit cards after consolidation in the past

When balance transfer beats HELOC:

• Balance under $20,000
• You can finish in 18-21 months
• You want to keep your home unsecured

Sibling spokes

• Refinance credit card debt with personal loan
• Debt management plan calculator
• Credit counseling vs DIY debt payoff
• Bankruptcy vs paying off debt (YMYL)
• 401(k) loan to pay off credit card (YMYL)

Parent hub

• Debt consolidation calculator

Related

• Balance transfer calculator , unsecured alternative
• Credit card payoff calculator (home)

Frequently asked questions

Should I use a HELOC to pay off credit card debt?

The math often works (HELOC rates 8-10% vs credit card 22%+). The structural risk is converting unsecured debt into secured debt. Your home becomes collateral. If income disrupts and you cannot pay, foreclosure risk applies. Always weigh both sides.

What is the typical HELOC APR in 2026?

Per Federal Reserve H.15, HELOC rates in May 2026 are typically prime + 0 to 2 points. With prime at ~8.5%, that gives a typical range of 8.5-10.5% APR. Variable rates that move with prime.

Is HELOC interest tax-deductible if I use it for credit card payoff?

No. Per the IRS Tax Cuts and Jobs Act rules, HELOC interest is deductible only when the proceeds are used for substantial improvements to the secured home. Credit card payoff does not qualify. The “interest may be tax-deductible” line is often quoted in HELOC marketing without the use restriction.

What credit score do I need for a HELOC?

Most lenders require 660+ FICO and 80% or lower loan-to-value ratio (your current mortgage + HELOC ≤ 80% of home value). Some lenders go to 90% LTV at higher rates.

How does a HELOC affect my mortgage?

The HELOC creates a second lien on the home. If you sell the house, both the mortgage and HELOC must be paid off from sale proceeds. If you refinance the first mortgage, the HELOC lender may need to subordinate the lien (a sometimes-friction process).

What is the difference between a HELOC and a home equity loan?

HELOC is a revolving line you can draw from as needed; HEL (home equity loan) is a fixed-rate lump sum. For credit card payoff, a fixed-rate HEL is often safer because the rate cannot rise. HELOC is more flexible but rate-variable.

Can I default on a HELOC and lose my house?

Yes. The HELOC is secured by your home. Default (typically 90+ days late) can trigger foreclosure proceedings. State-specific timelines and procedures vary; the Consumer Financial Protection Bureau foreclosure guide has details.

Are there closing costs on a HELOC?

Typically $300-1,500 in closing costs (appraisal, title, application fees), though some lenders waive them for prime borrowers. Always read the disclosure box carefully.

How long does HELOC approval take?

Typically 2-6 weeks from application to funding. Appraisal is often the bottleneck. Some lenders offer faster approval for low-LTV applications using AVM (automated valuation) instead of full appraisal.

Should I use HELOC funds for anything other than credit card payoff?

If using a HELOC for consolidation, draw only the amount needed to pay off the cards. Do not draw extra “for emergencies” because you will likely spend it. The available credit on the HELOC after payoff is structurally similar to having maxed-out credit cards available again, with the added foreclosure risk.