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🏠 HELOC vs. Cash-Out Refinance Calculator
Compare monthly payments, total interest paid, closing costs & breakeven — decide which home equity path saves you more.
📊 Your Loan & Property Details
💰 Cash-Out Refinance
💧 HELOC Details
📈 Advanced Options (Financial Accuracy)
Used to calculate total cost over your actual time in home
Extra amount paid monthly towards principal (applies to both options)
Simulate rising rates: e.g., 0.5% per year after draw period starts
📈 Comparison Results
Fill in your numbers and click "Compare Now"
*HELOC assumes interest-only during draw period, then principal + interest amortized over repayment term. Cash-out refi includes closing costs rolled into loan assumption. Interest may be tax-deductible if funds used for home improvements (consult advisor). HELOC variable rate modeled with optional annual increase. "Winner" based on total cost over intended stay period (interest + closing costs).
🏡 Smart Home Finance Tools
Tap any calculator below — real-time results, no spreadsheets needed ⚡
Understanding the Tool
HELOC vs. Cash-Out Refinance Calculator
How to use it, why it matters, the math behind the scenes, and common questions answered.
How to Use the Calculator
This tool helps homeowners make data-driven decisions when accessing home equity. Follow these simple steps:
- Step 1: Enter your home’s current value, existing mortgage balance, interest rate, and remaining term (years left on your loan).
- Step 2: Under Cash-Out Refinance, input how much cash you need, the new loan’s interest rate, term (e.g., 30 years), and estimated closing costs (typically 2–5% of the loan).
- Step 3: Under HELOC, enter the draw amount (cash needed), interest rate, draw period (interest-only years), repayment period, and HELOC closing costs (often $0–$1,000).
- Step 4: Use Advanced Options to set your intended stay in the home (e.g., 7 years), extra monthly payments, or simulate HELOC rate increases over time (variable rate risk).
- Step 5: Click Compare Now to see monthly payments, total interest over your stay period, closing costs, and a “winner” badge showing which option saves you more.
Pro tip: Adjust the intended stay years — staying 5 years vs. 20 years completely changes which option is cheaper.
Why This Comparison Matters
Choosing between a HELOC and a cash-out refi can impact your finances by tens of thousands of dollars. Here’s why:
- Cash-out refi replaces your entire mortgage with a new, larger loan at a fixed rate — predictable but resets your term and carries high closing costs (2–5%).
- HELOC leaves your existing mortgage untouched and offers interest-only payments during the draw period, but rates are often variable, adding risk.
Without a side-by-side comparison, homeowners might pick the lower monthly payment without realizing they’ll pay dramatically more interest over time — or vice versa. The calculator bridges that gap by showing total interest, closing costs, and a personalized winner based on how long you plan to stay in your home.
Key insight: A cash-out refi often wins for long-term homeowners (15+ years) because fixed rates lock in savings. HELOC tends to win for short-term needs (under 7 years) due to lower upfront costs.
The Math Behind the Calculator
📘 Cash-Out Refinance Example
Assumptions: Home value $400k, mortgage balance $250k, desire $80k cash, closing costs $7k.
New loan = $250k + $80k + $7k = $337,000
At 6.2% for 30 years: monthly payment ≈ $2,064
Total interest over 30 years ≈ $406,000
At 6.2% for 30 years: monthly payment ≈ $2,064
Total interest over 30 years ≈ $406,000
The calculator also accounts for extra payments and your intended stay to show interest only for the years you'll be in the home — a more realistic metric.
💧 HELOC Example
Same $80k draw at 7.5% interest-only for 10 years = $500/month.
Then principal + interest over 20 years ≈ $644/month. Combined with existing mortgage ($1,581/month):
Draw period monthly = $1,581 + $500 = $2,081
Repayment monthly = $1,581 + $644 = $2,225
HELOC total interest over full term ≈ $48,000
Repayment monthly = $1,581 + $644 = $2,225
HELOC total interest over full term ≈ $48,000
The calculator’s advanced mode even simulates annual rate increases (e.g., +0.5%/year) to model variable-rate risk — a feature most basic calculators ignore.
How the "Winner" is determined:
Total cost over intended stay = (closing costs) + (interest paid during stay). The option with the lower total cost wins. The calculator also accounts for extra monthly payments that reduce principal faster.
Frequently Asked Questions
❓ Which is better, HELOC or cash-out refi?
It depends. If you need cash for a short-term project (3–7 years) and can handle variable rates, a HELOC often wins due to lower closing costs. If you plan to stay long-term (10+ years) and want a fixed rate, a cash-out refi may be better. The calculator gives a personalized “winner” based on your numbers.
❓ Can I roll closing costs into the refinance?
Yes — the calculator automatically adds closing costs to your new loan principal, simulating a “no cash out of pocket” refi. However, this increases your loan balance and total interest.
❓ Is HELOC interest tax-deductible?
Only if funds are used for substantial home improvements (post-2018 tax law). Consult a tax advisor. The calculator includes a reminder in the results section.
❓ Why does the calculator show a winner based on “intended stay”?
Because staying 5 years vs. 20 years completely changes which option costs less overall. A HELOC’s low draw payments might look attractive, but over 20 years the variable rate or extended repayment may cost more. The intended stay eliminates guesswork.
❓ What if I make extra payments?
Use the “Extra Monthly Payment” field under Advanced Options. The calculator reduces total interest and shortens the loan term for both scenarios, giving a fair comparison.
❓ How accurate is the HELOC variable rate simulation?
It applies your chosen annual increase (e.g., 0.5% per year) during the repayment period. This is a conservative estimate — actual HELOC rates may adjust monthly or quarterly, but the simulation provides a realistic risk range.
Ready to run your own numbers? The calculator above gives you a real-time, side-by-side comparison tailored to your home loan.
Clicking the button will scroll you to the top of the page where the calculator is located.
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