How Much Equity Do I Have in My Home?
Equity is simple subtraction with one tricky input: what your home is actually worth today. Here is how to estimate both sides honestly and what the number unlocks.
Equity equals current market value minus mortgage balance. Estimate value from recent comparable sales or an appraisal, not automated guesses alone. The calculator above turns your equity into a borrowable amount using the standard 80 percent combined loan-to-value cap.
The equity formula
Equity = home market value - outstanding mortgage balance - any other liens (HELOCs, second mortgages). A $450,000 home with a $280,000 first mortgage and no other liens holds $170,000 in equity.
Equity grows three ways: your monthly payments chip at principal, your home appreciates, and renovations add value. It shrinks when values fall or when you borrow against it. Track it yearly; it is likely your largest source of wealth.
Estimating your home value honestly
Start with recent comparable sales: similar homes, sold within the last 6 months, within a mile or so. Adjust for real differences like an extra bedroom or a renovated kitchen. Automated estimates are a starting point, not a verdict; they miss condition and upgrades.
For borrowing purposes the lender's number is the only one that counts, and that comes from their appraisal or valuation model. Price your plans conservatively: if you think the home is worth $450,000, plan borrowing around $430,000 of value so a soft appraisal does not wreck the plan.
From equity to borrowing power
Having $170,000 in equity does not mean borrowing $170,000. At the standard 80 percent CLTV cap, a $450,000 home supports $360,000 in total liens; minus the $280,000 mortgage, about $80,000 is borrowable. Lenders then apply credit, income, and debt-to-income tests.
Borrowable equity can fund renovations that raise value further, consolidate expensive debt, or cover major life costs. Every dollar borrowed reduces your ownership stake and adds a payment secured by your home, so borrow against a plan, not a feeling.
Skip the arithmetic
Turn your equity into a payment estimate with the free home equity calculator.
Home equity questions
How fast do I build equity in my home?
On a 30-year mortgage, the first years barely dent principal. A 1 percent annual appreciation on a $450,000 home adds $4,500 a year, often more than early principal paydown. Extra principal payments and value-adding renovations accelerate it meaningfully.
Can I lose home equity?
If values drop 10 percent on a $450,000 home, $45,000 of equity vanishes without you spending a dime. Borrowing against equity converts ownership into debt directly. This is why lenders keep the 80 percent cushion: it protects them, and it protects you, when values wobble.