HELOC Calculator

This HELOC calculator shows your available home equity and estimated payments. Enter home value, mortgage balance, and draw amount to see your borrowing power instantly.

HELOC Calculator | Home Equity Line of Credit Analysis
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Home & Loan Details
%
HELOC Terms
%
years
years

During the draw period, you make interest-only payments. During repayment, you pay principal + interest. HELOC rates are typically variable.

HELOC Summary
💰 Available Equity: —
Current Home Value—
Mortgage Balance—
Total Equity—
Max LTV Ratio—
Maximum HELOC Amount—
Draw Amount—
Interest-Only Payment (Draw Period)—
Fully Amortized Payment (Repayment)—
Payment Increase After Draw—
Total Interest Paid—
Total of All Payments—
HELOC Payment Schedule
YearPeriodMonthly PaymentInterest PaidBalance

Enter HELOC details to view payment schedule.

Shows annual breakdown of payments during draw and repayment periods.

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Hasnain Khan

Co-Founder, Techraxy

Hasnain Khan is a digital tools developer and Co-Founder of Techraxy, a platform dedicated to building modern web-based calculators and utility tools. He focuses on tool optimization, website performance, and creating accessible user experiences across categories like automotive, finance, construction, and everyday utilities.

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Introduction to HELOC Calculator

A Home Equity Line of Credit (HELOC) is a revolving credit line secured by your home’s equity. It allows you to borrow against the difference between your home’s current value and your outstanding mortgage balance. HELOCs typically have two phases: a draw period (5-10 years) where you can borrow and make interest-only payments, followed by a repayment period (10-20 years) where you pay back principal and interest. This HELOC Calculator helps you understand how much you can borrow and what your payments will be. Enter your home value, mortgage balance, desired draw amount, and interest rate. The calculator shows your available equity, maximum credit limit, and estimated monthly payments during both phases. Toolraxy built this calculator to help homeowners make informed decisions about using their home equity.

How to Use This HELOC Calculator

                                  1. Enter your Home Value (current market value)

                                  2. Enter your Mortgage Balance (remaining loan amount)

                                  3. Enter the Credit Limit Percentage (typically 80-90% of home value)

                                  4. Enter the Draw Amount (how much you plan to borrow)

                                  5. Enter the Interest Rate (current HELOC rate, often variable)

                                  6. Enter the Draw Period (in years, typically 5-10)

                                  7. Enter the Repayment Period (in years, typically 10-20)

                                  8. Click Calculate to see your HELOC options

                                  9. Review your available equity, payments, and total costs

Formula Section

Total home equity:

Total Equity = Home Value – Mortgage Balance

Maximum credit limit (combined loan-to-value):

Max Credit Limit = Home Value × (Credit Limit Percentage ÷ 100)

Available credit (maximum HELOC amount):

Available Credit = Max Credit Limit – Mortgage Balance

Actual draw amount (if less than available credit):

Draw Amount = Min(Requested Draw, Available Credit)

Monthly payment during draw period (interest-only):

Draw Period Payment = Draw Amount × (Annual Rate ÷ 12 ÷ 100)

Monthly payment during repayment period (principal + interest):

Repayment Payment = Draw Amount × [ r(1+r)^n ] / [ (1+r)^n – 1 ]

Total interest during draw period:

Draw Period Interest = Draw Period Payment × (Draw Period Months)

Total interest during repayment period:

Repayment Interest = (Repayment Payment × Repayment Months) – Draw Amount

Total interest over full HELOC term:

Total Interest = Draw Period Interest + Repayment Interest

Loan-to-value ratio (LTV):

LTV = (Mortgage Balance ÷ Home Value) × 100

Combined loan-to-value ratio (CLTV) with HELOC:

CLTV = ((Mortgage Balance + Draw Amount) ÷ Home Value) × 100

Where:

  • HELOC = Home Equity Line of Credit

  • Draw Period = Time when you can borrow (interest-only payments)

  • Repayment Period = Time when you repay principal + interest

  • LTV = Loan-to-value ratio (mortgage only)

  • CLTV = Combined loan-to-value ratio (mortgage + HELOC)

Real-Life Examples Section

  • Example scenario:

    • Home value: $500,000

    • Mortgage balance: $300,000

    • Credit limit percentage: 80%

    • Draw amount: $50,000

    • Interest rate: 8.0%

    • Draw period: 10 years

    • Repayment period: 20 years

    Calculations:

    • Total equity: $500,000 – $300,000 = $200,000

    • Max credit limit: $500,000 × 80% = $400,000

    • Available credit: $400,000 – $300,000 = $100,000

    • Draw amount (requested): $50,000 (within available credit)

    • LTV: ($300,000 ÷ $500,000) × 100 = 60%

    • CLTV: (($300,000 + $50,000) ÷ $500,000) × 100 = 70%

    • Draw period monthly payment (interest-only): $50,000 × (8.0% ÷ 12) = $333.33

    • Repayment monthly payment (principal+interest): $418.22

    • Total draw period interest: $333.33 × 120 = $40,000

    • Total repayment period interest: ($418.22 × 240) – $50,000 = $50,373

 

FAQs

 

1. What is a HELOC?
A Home Equity Line of Credit (HELOC) is a revolving credit line secured by your home’s equity. It allows you to borrow against the difference between your home’s value and your mortgage balance, typically at variable interest rates.

 

2. How is HELOC calculated?
HELOC is calculated using your home’s current value and outstanding mortgage balance. The credit limit is typically 80-90% of your home value minus the mortgage balance. Payments are calculated based on the draw amount, interest rate, and loan term.

 

3. What is the difference between HELOC and home equity loan?
A HELOC is a revolving credit line with variable rates and interest-only payments during the draw period. A home equity loan is a fixed-rate lump sum with fixed monthly payments. HELOCs offer more flexibility; home equity loans offer predictability.

 

4. What is the draw period vs. repayment period?
The draw period (5-10 years) is when you can borrow and make interest-only payments. The repayment period (10-20 years) is when you repay principal plus interest. Your payment increases significantly in the repayment period.

 

5. What is the difference between LTV and CLTV?
LTV (Loan-to-Value) is your mortgage balance divided by your home value. CLTV (Combined Loan-to-Value) includes both your mortgage and HELOC balances. Lenders typically require CLTV below 80-90%.

 

6. What is a typical HELOC interest rate?
HELOC rates are typically variable and tied to the prime rate plus a margin. Current rates range from 6% to 10% depending on your credit score, LTV, and market conditions. Some lenders offer fixed-rate options.

 

7. How does my credit score affect my HELOC?
A higher credit score qualifies you for better HELOC rates and terms. Most lenders require a minimum score of 620-680. Scores above 740 get the best rates. Improving your score before applying can save thousands.

 

8. Can I pay off my HELOC early?
Yes. HELOCs generally do not have prepayment penalties. Paying early reduces total interest costs. Some lenders may have minimum draw requirements or annual fees.

Disclaimer

This HELOC Calculator is provided for educational and planning purposes only. Results are based on standard loan formulas and the numbers you enter. Actual HELOC rates, terms, fees, and approval conditions vary by lender, credit score, and market conditions. This tool does not constitute financial or mortgage advice. Consult a licensed mortgage lender or financial advisor before applying for a home equity line of credit. Toolraxy is not responsible for any actions taken based on these calculations.

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