Cash-Out Refinance Calculator

How Cash-Out Refinancing Works

A cash-out refinance replaces your existing mortgage with a new, larger loan. The difference between what you owe and the new loan amount is paid to you in cash at closing. It's one of the most powerful ways to tap home equity — but it's not free money, and the trade-offs deserve careful analysis before you sign.

Here's the basic mechanism: suppose you own a $400,000 home with a $200,000 mortgage balance. You have $200,000 in equity. At an 80% loan-to-value (LTV) limit, a lender will finance up to $320,000 on a $400,000 property. Subtract your current $200,000 balance, and you have up to $120,000 available in cash — minus closing costs.

Those closing costs typically run 2%–4% of the new loan amount. On a $320,000 new loan, that's $6,400–$12,800 you'll either pay upfront or roll into the loan balance (which means paying interest on your closing costs for decades). Most borrowers roll costs into the loan — which is convenient but adds thousands in total cost.

The result: a new mortgage at a new rate, on a new term (usually 30 years), with a larger balance than you started with. Your old mortgage is completely replaced. This means that if you locked a favorable rate on your original mortgage — say 3.5% in 2021 — a cash-out refinance today at 6.75% would reset your entire mortgage at the higher rate, not just the new cash-out portion.

This is the most important consideration in today's rate environment. Borrowers who refinanced at historically low rates in 2020–2021 face a painful choice: access equity and give up a low rate, or preserve the rate and explore alternatives like a HELOC or home equity loan instead.

How Much Can You Actually Cash Out? The 80% LTV Rule

Lenders don't let you cash out 100% of your home's equity — they require you to retain a buffer, expressed as a maximum loan-to-value ratio. The conventional limit is 80% LTV, though some loan programs allow more.

The 80% LTV calculation:

• Maximum new loan = Home value × 0.80
• Available cash-out = Maximum new loan − Current mortgage balance − Closing costs

Examples at different home values and balances:

• $300,000 home, $180,000 balance: Max loan $240,000, cash-out $60,000
• $400,000 home, $200,000 balance: Max loan $320,000, cash-out $120,000
• $500,000 home, $350,000 balance: Max loan $400,000, cash-out $50,000
• $600,000 home, $500,000 balance: Max loan $480,000, cash-out $0 (over 80% LTV already)

FHA cash-out refinances allow up to 80% LTV as well, but they require mortgage insurance. VA cash-out refinances (for eligible veterans) can go up to 100% LTV with no PMI requirement — one of the most powerful benefits available to qualifying borrowers. Conventional loans with LTV between 80%–90% are available from some lenders but require PMI, which increases your monthly cost.

Your home's value in this calculation is typically determined by an appraisal ordered by the lender — you don't get to choose the appraiser, and inflated estimates from online tools like Zillow don't count. If your appraisal comes in lower than expected, your available cash-out shrinks accordingly. Always get a realistic estimate of your home's market value before committing to the refinance process.

Cash-Out Refi vs. HELOC vs. Home Equity Loan: Side-by-Side

All three products let you access home equity, but they work differently and suit different situations. Here's how they compare on the key dimensions that matter most:

• Interest rate type: Cash-out refi = fixed | HELOC = variable | Home equity loan = fixed
• Impact on first mortgage: Cash-out refi = replaces it entirely | HELOC = second lien, leaves first intact | Home equity loan = second lien, leaves first intact
• Closing costs: Cash-out refi = 2%–4% of loan amount ($8k–$16k on $400k loan) | HELOC = $500–$2,000 or waived | Home equity loan = $2,000–$5,000
• Funds received: Cash-out refi = lump sum | HELOC = draw as needed over 5–10 years | Home equity loan = lump sum
• Best for: Cash-out refi = large one-time needs + rate improvement | HELOC = ongoing/phased projects, flexibility | Home equity loan = known fixed amount, rate certainty

The scenario where cash-out refinance wins clearly: you have a high-rate existing mortgage, need a large lump sum, and can both lower your rate AND pull out equity in a single transaction. This was common in 2020–2021 when rates were falling. In today's environment of elevated rates, the calculus often favors leaving the first mortgage alone.

The scenario where HELOC wins: you have a 3% mortgage from 2021 and need $60,000 for home improvements over the next two years. A cash-out refi would reset your entire $300,000 mortgage to 7%+ rates. A HELOC keeps your 3% first mortgage and adds a line of credit at 8.5% — you only pay that higher rate on the equity you actually use.

Best Uses for Cash-Out Refinancing

Not all uses of cash-out refinance are equal. Some generate returns that justify the cost; others are essentially borrowing against your home to fund consumption — a much riskier proposition.

High-ROI uses (generally justified):

• Home improvements that increase value: Kitchen remodels return 60–80% of cost at resale. Bathroom remodels return 55–70%. Adding a bedroom or bathroom in an underbuilt home can exceed 100% ROI in certain markets. Using a below-market mortgage rate to fund high-ROI improvements is smart leverage.
• Eliminating high-interest debt: Consolidating $50,000 in credit card debt at 22% into a 7% mortgage saves substantial interest — but only if you don't run the credit cards back up. The behavioral risk is real.
• Investment property down payment: Using equity in your primary home to fund an income-producing investment property has clear financial logic, though it increases your overall leverage and risk exposure.
• Education expenses: At 6.75%, mortgage-backed education funding is cheaper than most private student loan rates. The risk: if you can't repay, your home is at stake rather than just your credit.

Lower-ROI uses (think carefully):

• Vacations, cars, or consumer purchases: You're borrowing against your home at 6.75% for 30 years to fund a depreciating asset or experience. The total cost of that "free cash" is enormous.
• Emergency fund creation: Legitimate safety need, but the cost (closing costs + interest) is high. A HELOC as a backstop is often cheaper and more flexible for this purpose.

The Break-Even Calculation: When Does It Make Sense?

Every cash-out refinance has a break-even point — the number of months until your cumulative savings from the rate change equals your closing costs. If you're also lowering your rate, the break-even tells you how long you need to stay in the home to justify the refinance.

Break-even formula: Closing Costs ÷ Monthly Savings = Months to Break Even

Example: You have a $200,000 balance at 7.5% ($1,398/month P&I). You refinance to $280,000 at 6.75% for 30 years ($1,815/month). Your payment went up because you added $80,000 in principal, but suppose you're also consolidating $80,000 in debt that cost you $1,600/month in payments. Net monthly cash flow improvement: ($1,398 + $1,600) − $1,815 = $1,183/month savings. With $8,000 in closing costs, break-even is just 7 months. That's an easy case.

A harder case: You're refinancing purely to access $50,000 in cash with no rate improvement. Your payment goes up $315/month and you pay $9,000 in closing costs. There's no break-even in the traditional sense — you're paying more, not less. In this scenario, the real question is whether the use of that $50,000 generates enough value to justify the ongoing higher payment and total additional interest paid over 30 years.

A rule of thumb: cash-out refinancing makes clear financial sense when (a) you're also lowering your interest rate by at least 0.5%, (b) you plan to stay in the home long enough to pass the break-even, and (c) the funds will be used for high-return purposes.

Cash-Out Refinance Risks and What to Watch Out For

Cash-out refinancing is powerful, but the risks deserve honest acknowledgment before you commit to a larger mortgage balance.

1. Extending your payoff date. If you've been paying your 30-year mortgage for 10 years and refinance into a new 30-year loan, you've just added 10 years to your mortgage. You'll be paying your house off at age 70 instead of 60. Some borrowers refinance into a 15 or 20-year term to avoid this, but that increases the monthly payment further.

2. Underwater risk in declining markets. By cashing out equity and bringing your LTV to 80%, you have very little buffer if home values decline. A 15% home value drop would put you underwater — owing more than the home is worth — with no easy exit. This is exactly what happened to millions of borrowers in 2008–2011.

3. Closing costs as hidden interest. Rolling $9,000 in closing costs into a 30-year loan at 6.75% means you'll pay $9,000 × 1.91 ≈ $17,200 for those closing costs over the life of the loan. The closing costs themselves carry a significant interest burden when financed.

4. Debt consolidation without behavioral change. Paying off $60,000 in credit card debt with a cash-out refi and then running those cards back up is one of the most common — and most damaging — financial moves homeowners make. You've converted unsecured debt (which can't take your home) into secured debt (which can), and you've done it twice.

5. Appraisal risk. You may budget around an expected home value that the appraisal doesn't support. A lower-than-expected appraisal reduces your available cash-out but doesn't eliminate the time and expense you've already invested in the application process.

Frequently Asked Questions

What is the minimum credit score for a cash-out refinance?

Most conventional lenders require a minimum 620 credit score for cash-out refinancing, but you'll need 700+ for the best rates. FHA cash-out refinances require a minimum 580 score. VA cash-out refinances (for veterans) typically require 620. Below 700, your rate will carry a significant premium — it's worth spending 3–6 months improving your score before applying if you're in the 620–680 range. A 50-point score improvement can save 0.5–1% on your rate, worth tens of thousands of dollars over 30 years.

How long does a cash-out refinance take?

Typically 30–45 days from application to funding. The process includes a new loan application, credit check, income verification, property appraisal (1–2 weeks to order and complete), underwriting (1–2 weeks), and closing. Federal law requires a 3-day "right of rescission" period after signing — you can cancel within 3 business days without penalty. This waiting period applies to refinances on your primary residence; investment property refinances don't have this waiting period.

Is cash-out refinance income taxable?

No. The cash you receive from a cash-out refinance is loan proceeds, not income — it's not taxable. However, you're increasing your debt, so you'll owe more in the future. The interest on the new, larger mortgage may be deductible if you itemize deductions, but only up to the IRS mortgage interest deduction limits ($750,000 of debt for loans originated after 2017). Consult a tax professional for your specific situation.

How much equity do I need to leave in my home?

Conventional cash-out refinances require you to retain at least 20% equity (80% max LTV). Some lenders allow 10% equity (90% LTV) with PMI, which adds 0.5%–1.5% annually to your cost. VA loans uniquely allow up to 100% LTV with no PMI for eligible veterans. The equity you retain is your buffer against market downturns — the more you leave, the safer your financial position.

Can I do a cash-out refinance on an investment property?

Yes, but the terms are stricter. Investment property cash-out refinances typically max out at 75% LTV (vs. 80% for primary residences) and carry rate premiums of 0.5%–0.75% above primary home rates. Lenders view investment properties as higher risk because owners are more likely to walk away in financial distress. You'll also need to demonstrate rental income history or strong cash reserves.