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Line of Credit Calculator

Line of Credit Calculator

Estimate your available home equity line of credit (HELOC) based on your home's value and existing mortgage

Calculator
Calculation History
Home Equity Information
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$

Maximum LTV ratio lenders will allow (typically 80-85%)

Credit Line Results
Home Equity
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USD
Current value minus mortgage balance
Current LTV Ratio
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%
Mortgage balance ÷ home value
Available Credit Line
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USD
Based on selected LTV ratio

Home Value Breakdown

60%
Mortgage Balance
Available Equity
Potential Credit Line
Equity Breakdown
Description Amount

About LTV Ratios

Lenders typically allow:

80-85% LTV for HELOCs

90-95% LTV for cash-out refinances

97% LTV for first-time homebuyers

Potential Uses

Home improvements

Debt consolidation

Education expenses

Emergency fund

Export Results
About Home Equity Lines

A Home Equity Line of Credit (HELOC) is a revolving credit line that uses your home's equity as collateral. You can borrow up to your credit limit during the "draw period" (typically 10 years), then repay during the "repayment period."

Note: This calculator provides estimates only. Actual credit limits and terms depend on your credit score, income, and lender policies.

Calculation History
Date Home Value Mortgage Balance Available Credit Currency Actions
Calculation saved to history


Maximize Your Borrowing Power with Our Line of Credit Calculator

Learn how to calculate your available home equity line of credit (HELOC), understand LTV ratios, and make informed borrowing decisions

A Home Equity Line of Credit (HELOC) can be a powerful financial tool, allowing homeowners to access their home's equity for major expenses, debt consolidation, or investments. However, understanding how much you can actually borrow requires careful calculation of your home equity and loan-to-value ratio.

In this comprehensive guide, we'll explore how our Line of Credit Calculator can help you determine your borrowing capacity, visualize your equity breakdown, and make informed decisions about leveraging your home's value.

Why Home Equity Matters for Borrowing

What is Home Equity?

Home equity is the portion of your home that you truly own—the difference between your home's current market value and the outstanding balance of all liens (like your mortgage). It represents your financial stake in your property and can be used as collateral for loans.

Understanding your home equity helps you:

  • Access borrowing power: Use your equity to secure favorable loan terms
  • Plan major expenses: Fund home improvements, education, or other large costs
  • Consolidate debt: Potentially lower interest rates by using home equity
  • Build wealth: Track your growing ownership in your property
  • Make financial decisions: Understand when it makes sense to tap into equity

Key Features of Our Line of Credit Calculator

Home Equity Analysis

Calculate your current home equity based on your home's value and mortgage balance.

LTV Ratio Calculation

Determine your loan-to-value ratio and understand how lenders view your borrowing capacity.

Visual Equity Breakdown

See a clear visual representation of how your home's value is allocated between mortgage, equity, and available credit.

Export & Reporting

Save your analysis in multiple formats (PDF, HTML, TXT) for lender consultations or financial planning.

How to Use the Line of Credit Calculator

Step-by-Step Guide

  1. Enter your home's appraised value: Use current market value or a recent appraisal
  2. Input your mortgage balance: Include all mortgages or liens on the property
  3. Adjust the LTV ratio: Set the maximum loan-to-value ratio your lender allows (typically 80-85%)
  4. Calculate your credit line: See your available borrowing power instantly
  5. Review the visual breakdown: Understand how your home's value is allocated
  6. Export your results: Save for future reference or lender discussions

Understanding Loan-to-Value (LTV) Ratio

The LTV ratio is a critical factor that lenders use to determine your borrowing capacity:

Standard HELOC LTV

Most lenders allow 80-85% LTV for home equity lines of credit, meaning your total borrowing (mortgage + HELOC) can't exceed 80-85% of your home's value.

Cash-Out Refinance LTV

For cash-out refinances, lenders may allow up to 80-90% LTV, depending on your credit score and other factors.

First-Time Homebuyer LTV

Some programs allow first-time homebuyers to purchase with as little as 3% down, resulting in a 97% LTV ratio.

Visualizing Your Home Equity

Our calculator provides a clear visual representation of how your home's value is allocated:

60% Mortgaged
Mortgage Balance
Available Equity
Potential Credit Line

Pro Tip: Maximize Your Borrowing Power

If you've made significant home improvements or your local market has appreciated, consider getting a new appraisal. A higher home value can substantially increase your available equity and borrowing capacity.

Understanding Key HELOC Metrics

Home Equity Calculation

Your home equity is the foundation of your borrowing power:

Component Calculation Importance
Home Value Current market appraisal Determines maximum potential equity
Mortgage Balance Remaining loan principal Represents existing claim on your property
Home Equity Home Value - Mortgage Balance Your ownership stake in the property

Available Credit Line Calculation

Lenders determine your available credit based on several factors:

  • Maximum LTV: Typically 80-85% of home value for HELOCs
  • Credit score: Higher scores may qualify for better terms
  • Debt-to-income ratio: Your ability to make payments
  • Property type: Primary residences typically have better terms

Interest-Only vs. Amortizing Payments

HELOCs typically have two phases:

  • Draw period (5-10 years): Make interest-only payments
  • Repayment period (10-20 years): Make principal + interest payments

Common HELOC Pitfalls

Avoid these common mistakes when considering a home equity line of credit:

  • Over-borrowing: Don't max out your credit line without a clear repayment plan
  • Variable rates: Understand that HELOC rates can increase over time
  • Misusing funds: Avoid using home equity for discretionary spending
  • Ignoring fees: Account for closing costs, annual fees, and other charges
  • Underestimating risk: Remember your home is collateral - default could mean foreclosure

Using the Calculator for Financial Planning

Debt Consolidation Strategy

Use the calculator to evaluate using home equity to consolidate higher-interest debt:

  • Compare interest rates: HELOC rates are often lower than credit cards
  • Calculate potential savings: Estimate interest savings from consolidation
  • Assess affordability: Ensure new payment fits your budget

Home Improvement Planning

Plan major home improvements using your available equity:

  • Budget projects: Determine how much you can afford to borrow
  • Calculate ROI: Some improvements can increase your home's value
  • Time your borrowing: Coordinate draws with project milestones

Investment Opportunities

Evaluate using home equity for investment purposes:

  • Real estate investments: Fund down payments on rental properties
  • Education funding: Finance college expenses
  • Business ventures: Capital for starting or expanding a business

Tracking Your Equity Over Time

Use the export features to save your calculations and track how your home equity changes over time. This historical data can help you identify the best times to access your equity and monitor your progress toward financial goals.

Frequently Asked Questions

What's the difference between a HELOC and a home equity loan?

A HELOC is a revolving line of credit (like a credit card) that you can draw from as needed, while a home equity loan provides a lump sum upfront with fixed payments. HELOCs typically have variable rates, while home equity loans often have fixed rates.

How does my credit score affect my HELOC eligibility?

Lenders typically require a credit score of 680 or higher for a HELOC, with better terms available for scores above 720. Your credit score affects both your eligibility and the interest rate you'll receive.

Can I get a HELOC with less than 20% equity?

Most lenders require at least 15-20% equity in your home (80-85% LTV ratio). If you have less equity, you may need to explore other borrowing options or wait until you've built more equity.

Are there tax benefits to a HELOC?

Under current tax law, you can deduct interest on a HELOC if the funds are used to "buy, build, or substantially improve" your home. Interest on funds used for other purposes is generally not deductible.

What happens if my home value decreases after I get a HELOC?

If your home value decreases significantly, your lender may reduce your credit limit or freeze further draws. However, you're still responsible for repaying any amounts you've already borrowed.