HELOC Calculator

Calculate your Home Equity Line of Credit payments, available credit, and compare draw vs repayment periods.

Property & Loan Details

$450,000
$200,000
$100,000
Interest-Only During Draw Period
Advanced Options

HELOC Results

Available Equity

$160,000
Based on 80% CLTV ratio
Max HELOC
$160,000
Maximum credit line
Current Equity
$250,000
Home value - mortgage
LTV Ratio
44.4%
Loan to value
CLTV Ratio
66.7%
Combined LTV

Monthly Payments

Draw Period Payment
$708
Interest-only
Repayment Payment
$868
Principal + Interest
Total Interest
$159,120
Full term
Total Cost
$259,120
Principal + Interest

Detailed Analysis

Payment Schedule
HELOC vs HE Loan
What-If Scenarios
Full Schedule
Phase Duration Monthly Payment Total Paid
Draw Period (Interest-Only) 10 years $708 $84,960
Repayment Period 20 years $868 $208,320
Total 30 years -- $293,280
Payment Structure: During the draw period, you only pay interest on the amount drawn. During repayment, you pay principal and interest to fully amortize the balance.

HELOC vs Home Equity Loan

Feature HELOC Home Equity Loan
Recommendation: Based on your inputs, a HELOC offers more flexibility if you need ongoing access to credit. A Home Equity Loan may be better for one-time large expenses.

What-If Scenarios

Rate Increase (+2%)
$200
Additional monthly
Rate Decrease (-2%)
-$167
Monthly savings
50% Draw Usage
$354
Draw period payment
Extra $200/Month
5.2 yrs
Early payoff
Year Phase Payment Interest Principal Balance

Understanding HELOCs

What is a HELOC?

A Home Equity Line of Credit (HELOC) is a revolving credit line secured by your home's equity. You can borrow, repay, and borrow again during the draw period, similar to a credit card but with lower rates.

Key Benefit: Only pay interest on the amount you actually use.

Draw vs Repayment

The draw period (typically 5-10 years) allows you to access funds with interest-only payments. The repayment period (10-20 years) requires full principal and interest payments.

Important: Payment amounts increase significantly during repayment.

Variable Rates

Most HELOCs have variable rates tied to the Prime Rate. Your rate = Prime + Margin. When the Fed raises rates, your HELOC payment increases accordingly.

Tip: Ask lenders about rate caps and conversion options.

CLTV Calculation

Combined Loan-to-Value (CLTV) = (Mortgage + HELOC) / Home Value. Most lenders limit CLTV to 80-85%, though some go to 90% for qualified borrowers.

Formula: Max HELOC = (Home Value × Max CLTV) - Current Mortgage

HELOC vs Home Equity Loan

HELOCs offer flexibility with variable rates and revolving access. Home Equity Loans provide a lump sum with fixed rates and payments. Choose based on your borrowing needs.

Best For: HELOC for ongoing needs; HE Loan for one-time expenses.

Risks to Consider

Your home secures the HELOC. Variable rates can increase payments significantly. Interest-only payments don't build equity. Consider your ability to handle rate increases.

Warning: Defaulting can result in foreclosure.

Frequently Asked Questions

How much can I borrow with a HELOC?

Most lenders allow you to borrow up to 80-85% of your home's value minus your current mortgage balance. For example, if your home is worth $400,000 and you owe $200,000, you may qualify for up to $140,000 at 85% CLTV ($400,000 × 0.85 - $200,000).

What credit score do I need for a HELOC?

Most lenders require a minimum credit score of 620-680 for a HELOC. Higher scores (720+) typically qualify for the best rates. Lenders also consider your debt-to-income ratio, typically requiring it to be below 43-50%.

Are HELOC interest payments tax deductible?

Under the Tax Cuts and Jobs Act, HELOC interest is deductible only if the funds are used to "buy, build, or substantially improve" your home. Interest on HELOC funds used for other purposes (debt consolidation, education, etc.) is not deductible. Consult a tax professional for your specific situation.

What happens when the draw period ends?

When the draw period ends, you can no longer borrow from the credit line. You enter the repayment period where you must pay both principal and interest, typically over 10-20 years. This significantly increases your monthly payment since you're now paying down the balance.

Can I pay off my HELOC early?

Yes, you can typically pay off your HELOC early without penalty during the draw period. However, some lenders may charge prepayment penalties if you close the line within the first 2-3 years. Check your loan terms and ask about early closure fees.

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