Home Equity Calculator
Calculate current home equity, LTV ratio, and HELOC borrowing power based on home value and mortgage balance.
By Konstantin Iakovlev · Updated September 2026 · Source: CFPB — Owning a Home
Current Equity
$160,000.00
LTV Ratio
64.4%
Equity %
35.6%
Equity Breakdown
| Current Home Value | $450,000.00 |
| Current Loan Balance | $290,000.00 |
| Current Equity | $160,000.00 |
| Down Payment (est.) | $90,000.00 |
| Principal Paid Down | $70,000.00 |
| Appreciation (est.) | $0.00 |
| Annual Appreciation Rate | 0.0% |
HELOC Borrowing Power
| At 80% LTV Limit | $70,000.00 |
| At 90% LTV Limit | $115,000.00 |
| Current LTV | 64.4% |
Use the Home Equity Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.
Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.
How It Works
Knowing where you stand on home equity, your Loan-to-Value (LTV) ratio, and how much a Home Equity Line of Credit (HELOC) might open up is a practical starting point for tapping the value built into your property. That picture changes as you pay down the loan and as prices move, so it is worth revisiting as part of any financial plan.
Equity is simply your current home value minus the outstanding mortgage balance. LTV comes from dividing that mortgage balance by the home value and multiplying by 100. Lenders set their own combined loan-to-value limits, so the borrowing-power table shows two versions: 80% of your home value minus what you still owe, and the same at 90%. The equity breakdown estimates where your equity came from by assuming you bought with a loan of 80% of the price: the implied purchase price is your original loan ÷ 0.80, the down payment is that price minus the original loan, principal paid down is the original loan minus today's balance, and appreciation is today's value minus the implied price, also shown as an annual rate over the years you have owned the home.
Get the home value right by leaning on recent comparable sales rather than a hopeful guess, because misjudging your market value is one of the easiest ways to throw off every number that follows. Bear in mind too that equity alone won't secure approval; lenders also weigh your credit score and income. Borrow with a repayment plan you can live with, and resist stretching the leverage to its limit.
Example: Unlocking Equity for a Renovation
- 1 Input: Current Home Value = $450,000, Original Loan Amount = $280,000, Current Loan Balance = $200,000, Years Owned = 8.
- 2 Equity and LTV: $450,000 − $200,000 = $250,000 of equity, 55.6% of the value; LTV = $200,000 ÷ $450,000 = 44.4%.
- 3 Where the equity came from: at the assumed 80% purchase LTV, the implied price was $280,000 ÷ 0.80 = $350,000, so the down payment was $70,000; principal paid down is $280,000 − $200,000 = $80,000; appreciation is $450,000 − $350,000 = $100,000, about 3.2% a year over 8 years. $70,000 + $80,000 + $100,000 = $250,000.
- 4 HELOC borrowing power: $450,000 × 0.80 − $200,000 = $160,000 at an 80% limit, or $450,000 × 0.90 − $200,000 = $205,000 at 90%. With an LTV of 44.4% you have room under either limit, but approval also depends on your credit and income, so check the actual terms with a lender.
Source: CFPB — Owning a Home · Last updated: September 2026
Frequently Asked Questions
How do I calculate my home equity?
How much home equity can I borrow against?
Does home equity count as taxable income?
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