Home Equity Loan Calculator
Estimate HELOC Payments, Equity & Borrowing Power — free, instant, no sign-up required
Home Equity Loan Calculator – Estimate HELOC Payments, Equity & Borrowing Power
Use this free calculator to estimate your available home equity, calculate home equity loan or HELOC payments, model your borrowing power, and compare a fixed home equity loan vs a revolving HELOC side by side.
A home equity loan gives you a lump sum at a fixed rate with equal monthly payments for the life of the loan — predictable and easy to budget.
A HELOC is a revolving credit line. You borrow, repay, and borrow again during the draw period. Rates are typically variable — payments can rise if rates increase.
Understanding Your Available Home Equity
Your home equity is the portion of your home's value that belongs to you — not the lender. It equals your home's current market value minus any outstanding mortgage balances secured by the property.
However, lenders do not let you borrow against 100% of your equity. They impose a maximum Combined Loan-to-Value (CLTV) limit — typically 80–85% of your home's value across all loans. This protects them if home prices fall.
Example: CLTV at 80%
Why the CLTV Matters
- A lender with an 85% CLTV cap allows more borrowing than one capped at 80%
- Credit score and income also affect the final approved amount
- Lender rules vary — always get a formal quote
- A recent appraisal may change your home value estimate
How the HELOC Draw Period Works
A HELOC (Home Equity Line of Credit) is a revolving credit line secured by your home. The draw period — typically 5 to 10 years — is the phase during which you can borrow, repay, and borrow again, up to your credit limit.
Draw Period Characteristics
- Revolving access: Repay $5,000 and your available credit rises by $5,000
- Interest-only option: Many HELOCs allow interest-only minimum payments during the draw period
- Variable rate: Your rate typically floats with the prime rate, so payments shift with market conditions
- Flexible borrowing: Ideal for projects where you draw funds over time (renovations, tuition)
Draw Period Payment Formula
If your lender requires interest-only payments:
Example: $40,000 balance at 8.5% annual rate:
If your lender requires principal + interest, the payment is calculated the same as an amortizing loan for the draw period's remaining months.
HELOC Repayment Period: What Changes When the Draw Ends
When your HELOC's draw period ends, you can no longer borrow from the line. The outstanding balance enters the repayment period — typically 10 to 20 years — and your minimum monthly payment must now cover both principal and interest.
Repayment Period Payment Formula
Standard amortizing payment on the remaining balance:
P = remaining balance · r = monthly rate · n = repayment months
Example: $40,000 balance at 8.5%, 20-year repayment:
Why Repayment Payments Are Higher
- Principal now required: You must repay the balance, not just cover interest
- Shorter time window: You have only the repayment period to pay it off
- Rate changes: If rates have risen since the draw period, the rate-based portion is higher too
- Possible payment shock: Borrowers who paid interest-only often face a significant jump
Home Equity Loan: Fixed Payments, Predictable Costs
A home equity loan (sometimes called a second mortgage) gives you a single lump-sum payment at a fixed interest rate. Your monthly payment never changes, and your payoff date is set from the beginning.
Fixed Loan Payment Formula
P = loan amount · r = monthly rate (APR ÷ 12) · n = term in months
Example: $60,000 at 7.5%, 10 years:
Payment ≈ $712/month
Total paid ≈ $85,440 · Interest ≈ $25,440
What Makes It Different
- One disbursement at closing — no revolving access
- Rate is fixed for the entire term
- Equal monthly payments from month one
- No payment shock at the end of a draw period
- Good for large known expenses (renovation, medical)
- Closing costs typically apply (1–3% of loan)
Payment Estimator: Compare Scenarios
See how different loan amounts, rates, and terms affect your monthly payment and total cost. Adjust the values below to build your own comparison.
Fees, Closing Costs, and the True APR
The advertised interest rate is not the same as your total cost. Fees paid at closing reduce the cash you receive while keeping your loan balance (and interest) the same — making the effective cost higher than the stated rate.
Common Home Equity Loan Fees
- Origination fee: 0.5–1% of loan amount
- Appraisal: $300–$600 (verifies your home value)
- Title search / insurance: $200–$400
- Attorney or notary: $200–$500 (varies by state)
- Recording fees: $50–$200
- Total closing costs: Typically 1–5% of the loan
HELOC-Specific Fees
- Annual maintenance fee: $50–$100/year
- Inactivity fee: Some lenders charge if you don't draw
- Early termination fee: If you close the line early
- Transaction fee: Per-draw fee on some HELOCs
- Rate floor / cap: Variable rates often have a floor and a cap — know both
Home Equity Loan vs HELOC: Side-by-Side Comparison
🏠 Home Equity Loan
🔄 HELOC
How This Calculator Works
1. Equity Calculation
Max borrowable uses your CLTV cap: (Home Value × CLTV%) − Mortgage Balance
2. Home Equity Loan Payment
Where P = principal, r = monthly rate (APR/12), n = months
3. Effective APR with Fees
Effective APR ≈ Solve for rate where:
Net = PMT × (1−(1+r)^−n) / r
4. HELOC Draw Period
P+I = same amortizing formula as loan
5. HELOC Repayment Period
This calculator uses the rate you enter. Actual variable rates will differ.
6. Total Interest
Worked Examples
Example 1: Home Worth $500,000 with $230,000 Mortgage Balance
With 80% CLTV, total debt cannot exceed $400,000. Subtract the $230,000 mortgage and you could borrow up to $170,000. At 85% CLTV that rises to $225,000. Actual approval depends on income, credit, and lender guidelines.
Example 2: Fixed Home Equity Loan – $75,000 at 7.5% for 10 Years
On a 15-year term, the same loan drops to ≈ $695/month but interest climbs to ≈ $50,100. Shorter terms cost more per month but far less in total interest. Use the calculator above to compare.
Example 3: HELOC Draw Period – $50,000 Balance at 8.5%
After 10 years of interest-only payments, you still owe $50,000. Total interest paid during draw period = ≈ $42,500. The full balance then enters repayment — a common source of payment shock.
Example 4: HELOC Repayment – Same $50,000 over 20 Years at 8.5%
A $50,000 HELOC with interest-only draws for 10 years and 8.5% rate could cost nearly $97,000 in interest over 30 years total — nearly double the original balance. Paying principal during the draw period dramatically reduces this.
Example 5: Home Equity Loan vs HELOC for $60,000 at 7.5% / 8.5%
The home equity loan is cheaper in total interest here, partly because the HELOC rate is higher and partly because interest-only payments accumulate cost. If the HELOC rate were the same and you paid principal throughout, the gap would narrow. Total cost comparison — not just monthly payment — is the most useful comparison metric.
When Homeowners Use Home Equity Products
🏠 Home Improvement
One of the most common uses. A kitchen remodel, addition, or roof replacement can increase your home's value. HELOCs work well for phased projects; fixed loans suit defined scopes with known costs.
💰 Debt Consolidation
Rolling high-rate credit card debt into a lower-rate home equity product can reduce monthly payments and total interest. The tradeoff: unsecured debt becomes secured by your home — missed payments carry greater consequences.
🏫 Tuition / Education
Home equity rates are typically lower than private student loan rates. A HELOC's revolving structure suits staggered tuition bills. Compare with federal student loan rates and protections before using home equity for education.
🚑 Emergency Expenses
A HELOC can serve as a low-cost emergency backstop. You pay nothing if you don't draw — making it useful for unexpected medical, car, or family emergencies. Better to open a HELOC when finances are stable, not in a crisis.
Risks and Qualification Factors
Key Risk Factors
- Foreclosure risk: Non-payment can result in loss of your home
- Variable rate exposure: HELOC rates can rise significantly if the prime rate increases
- Market decline: If home values drop, you could owe more than your home is worth
- Payment shock: HELOC repayment payments are typically much higher than draw payments
- Overborrowing: Easy access to equity can lead to over-extending debt
What Lenders Consider
- Home equity: Most require 15–20% retained equity after borrowing
- Credit score: Typically 680+ for most programs; 720+ for best rates
- Debt-to-income (DTI): Most lenders cap DTI at 43–50%
- Income verification: W-2s, tax returns, or bank statements required
- Property type: Primary residences qualify more easily than investment properties
Common Mistakes to Avoid
- ❌ Confusing equity with borrowing power — You cannot borrow all of your equity. Lenders keep a required cushion based on CLTV limits.
- ❌ Assuming all lenders offer the same CLTV — CLTV caps vary from 75% to 90% across lenders. Shopping rates matters.
- ❌ Ignoring fees and APR — Comparing interest rates alone misses closing costs, origination fees, and annual charges that change the true cost.
- ❌ Treating draw-period payments as permanent — Interest-only HELOC payments will rise — often substantially — when repayment begins.
- ❌ Choosing a product based only on monthly payment — A lower payment now can mean far more total interest paid. Compare total cost, not just monthly payment.
- ❌ Not planning for rate increases on a HELOC — Model what your payment looks like if rates rise 1–2 percentage points. Can you still afford it?
- ❌ Using home equity for depreciating purchases — Cars, vacations, and discretionary spending are poor uses of secured debt. If you can't repay it, you risk your home.