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Credit Card vs HELOC Calculator

High credit card rates are the single most expensive consumer debt. A HELOC or home equity loan can cut that rate in half — saving thousands. This calculator compares payoff timing and total interest across the two structures.

Credit card balance

Credit card APR

HELOC rate

HELOC closing costs

Monthly payment available

Net interest saved (after costs)

$9,220

Months saved

1 yr 2 mo

Credit card total interest

$13,010

HELOC total interest + costs

$3,790

How the math works

Rolling high-rate credit card debt into a HELOC at half the rate usually saves thousands over the payoff period. But HELOCs are secured by the home — default risks foreclosure. Only use if you've stopped the credit card spending; otherwise you end up with both balances.

HELOC rates are typically variable (prime + margin). In a rising-rate environment, the advantage narrows. Consider a fixed-rate home equity loan for locked payments, or tackle the consolidation with a 0% balance transfer card for smaller balances.

Editorial noteMaintained by EveryCalc - Reviewed June 2026

EveryCalc calculators are designed for fast, practical estimates with transparent inputs and no required account. We use plain formulas, visible assumptions, and related tools so visitors can check the result from more than one angle.

Results are informational only. For financial, tax, legal, medical, construction, or other high-impact decisions, verify the output against primary sources or a qualified professional.

Learn more about our review process on the EveryCalc methodology page.

How this calculator works

What this page estimates

This Credit Card vs HELOC Calculator is built to give a quick, browser-based estimate for credit card vs heloc. High credit card rates are the single most expensive consumer debt. A HELOC or home equity loan can cut that rate in half — saving thousands. This calculator compares payoff timing and total interest across the two structures. The inputs stay on the page during normal use, and the result should be treated as an estimate for planning, comparison, or education rather than professional advice.

Calculation approach

The calculator applies the standard relationship implied by the inputs, then formats the answer so it can be checked and reused. For finance tools, the most important step is using consistent units, rates, time periods, and assumptions before comparing the result with another calculator or outside quote.

Example workflow

For example, start with a realistic value you already know, change one input at a time, and watch how the answer moves. That makes it easier to tell whether the result is being driven by the main amount, the rate, the time period, or a unit conversion.

Practical checks

Use current, real-world numbers when the result affects money, health, tax, or legal decisions.
Run a low, base, and high case when the inputs are estimates.
Check the related calculators below when the next decision depends on a different assumption.

How to interpret the credit card vs heloc result

Best use

Use the result as a planning number for comparing payments, rates, returns, tax reserves, or cash-flow choices before you request a quote or make a commitment.

Cross-check

Compare the answer with the contract, lender estimate, tax form, brokerage statement, payroll record, or invoice that will control the real-world outcome.

Watch for

Do not rely on a single optimistic rate, return, or fee assumption. Money pages work best when you run low, base, and high cases and keep professional advice separate from the estimate.

This page belongs to the Finance calculator library, so the answer should be read in the context of the decision you are modeling rather than as a universal rule.

Before relying on this credit card vs heloc estimate

Most calculator mistakes come from the inputs, not the arithmetic. Use this short audit before you reuse the answer in a spreadsheet, quote, application, or important conversation.

Confirm source numbers

Match balances, rates, fees, taxes, income, and payment dates against the lender quote, payroll record, tax form, statement, invoice, or contract.

Separate cash flow from total cost

A lower monthly payment can still cost more over time if fees, interest, taxes, or a longer term are hidden in the structure.

Run conservative cases

Test at least one higher-cost or lower-return case before using the output for a purchase, refinance, investment, loan, or tax decision.

Rerun this page when the rate, price, term, fee, tax rule, income, expense, or expected holding period changes.

How to Use

Enter credit card balance and APR.
Enter HELOC rate (typically prime + 0-3%).
Enter HELOC closing costs (often $0-500 for small lines).
Enter monthly payment available for either path.

Frequently Asked Questions

Is HELOC consolidation a good idea?

Usually yes on the math — typical savings $3-8k on a $20k credit card balance. But only if you've addressed the root spending behavior. Consolidating without behavior change often leads to both balances running up.

What if I can't qualify for a HELOC?

Alternative: 0% balance transfer credit cards (12-21 months). Requires good credit to qualify for the offer. Personal loans at 10-15% also beat credit card APRs significantly.

Does HELOC interest stay deductible?

Only if proceeds are used to buy, build, or substantially improve the home. Debt consolidation usage doesn't qualify for the deduction. Math it out after-tax accordingly.