Home Equity Calculator
How much equity do you have in your home? Calculate your current equity and LTV ratio, project equity growth over 5-15 years, or find out how much you can borrow against your equity. Works with any currency.
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How to Use This Calculator
Tab "Current Equity"
Enter your current home value (estimated market value) and mortgage balance (remaining loan amount). The calculator instantly shows your equity in dollars and as a percentage, plus your Loan-to-Value (LTV) ratio. A visual bar shows the split between equity and debt.
Tab "Equity Growth"
Enter your home value, annual appreciation rate, mortgage balance, monthly payment, and mortgage interest rate. The calculator projects your equity at 5, 10, and 15 years, accounting for both home appreciation and mortgage paydown through amortization.
Tab "Accessible Equity"
Enter your home value, total equity, and the maximum LTV your lender allows (typically 80%). The result shows how much equity you can actually borrow through a HELOC, home equity loan, or cash-out refinance — and how much remains locked.
The Formulas
Equity = Home Value − Mortgage Balance
Equity percentage:
Equity % = Equity / Home Value × 100%
Loan-to-Value (LTV):
LTV = Mortgage Balance / Home Value × 100%
Accessible (borrowable) equity:
Accessible Equity = Home Value × Max LTV% − Mortgage Balance
Equity growth (projection):
Future Home Value = Current Value × (1 + Appreciation Rate)^Years
Future Mortgage = Amortized balance after monthly payments
Future Equity = Future Home Value − Future Mortgage
All calculations are universal and pre-tax. No country-specific lending rules or tax implications are applied. Results are estimates.
Worked Examples
Example 1 — Current equity snapshot: $550K home, $320K mortgage
A homeowner has a property worth $550,000 with a remaining mortgage balance of $320,000.
With 41.8% equity and an LTV of 58.2%, this homeowner is well above the 20% equity threshold and has significant equity built up.
Example 2 — 5-year equity growth: 3% appreciation + payments
Same homeowner: $550,000 home, $320,000 mortgage at 6.5% interest, $2,200/month payment, 3% annual appreciation.
Equity grows from two sources: home appreciation adds roughly $87,600 in value, while mortgage payments reduce the balance by about $27,000. Together, equity increases by approximately $115,000 over 5 years.
Example 3 — Accessible equity at 80% LTV
The homeowner wants to know how much equity they can borrow through a HELOC or cash-out refinance at 80% combined LTV.
You have $230,000 in total equity but can only access $120,000 at 80% LTV. The remaining $110,000 stays locked as a buffer required by lenders.
Understanding Home Equity
What Is Home Equity?
Home equity is the portion of your home that you actually own — the difference between what your home is worth and what you still owe on it. It is your largest single asset for most homeowners, and it grows over time through mortgage payments and property appreciation.
How Equity Builds Over Time
Equity grows from two sources: mortgage amortization (each payment reduces your balance) and home appreciation (rising property values). In the early years of a mortgage, most of your payment goes to interest. As the loan matures, more goes to principal, accelerating equity growth. Meanwhile, even modest appreciation (2-4% per year) adds significant value over a decade.
LTV and Why It Matters
Loan-to-Value (LTV) is the inverse of equity percentage. Lenders use LTV to assess risk: an LTV above 80% typically triggers PMI (Private Mortgage Insurance). Below 80%, you qualify for better rates and can access equity through HELOCs or cash-out refinancing. Below 60%, you are in excellent position for any equity-based borrowing.
Accessing Your Equity
There are three main ways to tap home equity: HELOC (revolving line of credit, variable rate), home equity loan (lump sum, fixed rate), and cash-out refinance (replace your mortgage with a larger one). Each has trade-offs in terms of rate, fees, and flexibility. Most lenders require you to maintain at least 20% equity (80% combined LTV) after borrowing.
When to Use Home Equity
Common uses include home renovations (which can increase property value), debt consolidation (replacing high-interest debt with lower-rate secured debt), education expenses, or emergency funding. Avoid using home equity for depreciating assets or discretionary spending — your home secures the debt, and defaulting means losing your property.