Skip to main content
CalcIntel

HELOC Calculator

Calculate payments on a Home Equity Line of Credit (HELOC) and see your total borrowing costs.

$
%
Monthly Payment
$495

Your monthly payment is $495 for a $25,000 loan at 7.0% over 5 years.

Loan Amount$25,000
Total Interest$4,702
Total Cost$29,702
Data sources: CalcIntel Formula Library

Why This Calculation Matters

The HELOC Calculator helps you make better home equity decisions by putting the math directly in front of you. Instead of relying on averages or guesswork, plug in your own numbers and see how the key inputs, rate, term, amount, and timing, interact. Small changes to any one of them can have outsized effects over years or decades.

How to Use This Calculator

  • Enter your values in the input fields, each one has a label and help text explaining what to type.
  • Results appear instantly as you type; there's no "calculate" button to press.
  • Change any input to compare scenarios side by side.

All math happens in your browser. Nothing you type is sent to a server, saved, or shared.

Key Inputs to Get Right

The most important numbers are usually the interest rate and the time horizon. Over years or decades, small rate differences compound into large dollar differences, so it's worth sanity-checking the rate against current market data before acting on any result.

What Is a HELOC?

A Home Equity Line of Credit lets you borrow against the equity in your home. It works like a credit card with your home as collateral, typically offering lower rates than personal loans.

Draw Period vs. Repayment Period

Most HELOCs have a 10-year draw period where you can borrow and make interest-only payments, followed by a 20-year repayment period.

When to Use This Calculator

  • Model scenarios before making a major financial decision involving home equity.
  • Compare different inputs side by side to see how rate, term, or amount changes your outcome.
  • Sanity-check numbers a lender, advisor, or spreadsheet has given you.
  • Build a realistic financial plan grounded in your actual numbers, not averages.

Limitations & Common Mistakes

  • Results are estimates, actual terms depend on credit, lender policy, taxes, and fees not captured here.
  • Rates and prices change daily; recompute with current numbers before signing documents.
  • Does not constitute financial advice. For major decisions, consult a licensed advisor.

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 what you owe on your mortgage. For example, if your home is worth $400,000 and you owe $250,000, you could potentially get a HELOC for up to $70,000-$90,000.

How accurate is the HELOC Calculator?

Results use standard financial formulas and are a reliable planning estimate. Exact numbers depend on your lender's rates, fees, and underwriting, always verify with a loan estimate before signing.

Does this account for taxes, insurance, and fees?

The calculator shows the core figure by default. Taxes, insurance, PMI, HOA dues, and closing costs can materially change your monthly cost, factor them in when budgeting.

Is this calculator free to use?

Yes. The HELOC Calculator is free, requires no signup, and runs entirely in your browser, your inputs are never sent to a server.

How often is this calculator updated?

Formulas are reviewed against authoritative sources, and any rate or price data is refreshed on an automated schedule. Check the "as of" date on any live data panel for the most recent refresh.

Related Calculators

More Finance →

Mortgage Payment Calculator

Calculate your monthly mortgage payment including principal and interest. See total cost over the life of your loan.

Personal Loan Calculator

Calculate monthly payments and total interest on a personal loan.

Debt Consolidation Calculator

Compare the cost of consolidating multiple debts into a single loan with a lower rate.

Related guides