M
MortgageMath
Free mortgage calculators for every state

Home Equity Calculator

See how much equity you have, check PMI eligibility, and estimate HELOC borrowing power.

$
Zillow/Redfin estimate
$
$
%
auto-calculated
$
years
for projections
%
Your Home Equity
$81,285Strong Equity
21.1% of your home's value
Current Home Value
$385K
Remaining Balance
$304K
Total Equity
$81K
Equity Percentage
21.1%
Principal Paid
$11K
from monthly payments
Appreciation Gain
$35K
market value increase

PMI Analysis

Congratulations — you have enough equity to request PMI removal

Contact your lender to cancel PMI. By law, PMI must be automatically removed at 22% equity. You currently have 21.1% equity, which exceeds the 20% threshold.

HELOC / Home Equity Loan

Home Value$385,000
80% of Home Value$308,000
Remaining Mortgage$303,715
Available HELOC Amount$4K
Estimated HELOC available: $4K
Most lenders allow borrowing up to 80% of your home value minus your mortgage balance.

HELOC rates are typically variable, currently around 8-9%. A home equity loan offers fixed rates but usually higher. Consult your lender for current terms.

Equity Growth Projection

YearHome ValueLoan BalanceTotal EquityEquity %
1$361K$311K$49K13.6%
3NOW$382K$304K$79K20.6%
5$406K$295K$111K27.3%
7$430K$285K$146K33.8%
10$470K$267K$203K43.2%
1550%$545K$229K$317K58.1%
20$632K$175K$457K72.3%
25$733K$102K$631K86.1%
30$850K$16$850K100.0%

Equity vs Debt Over Time

Equity Remaining Debt
Yr 1
13.6%
Yr 3
20.6%
Yr 5
27.3%
Yr 7
33.8%
Yr 10
43.2%
Yr 15
58.1%
Yr 20
72.3%
Yr 25
86.1%
Yr 30
100.0%

Understanding Home Equity

Home equity is the difference between your home's current market value and what you still owe on your mortgage. It builds in two ways: through principal payments you make each month that reduce your loan balance, and through appreciation as your home's market value increases over time. In a healthy housing market, both forces work together to steadily grow your equity position.

Equity matters for several important reasons. It represents real wealth you can tap through a HELOC or home equity loan for major expenses like renovations or education. Once you reach 20% equity, you can request removal of private mortgage insurance (PMI), saving hundreds per year. Strong equity gives you flexibility to sell and move without bringing cash to closing, and it serves as a financial safety net during economic uncertainty.

There are several strategies to build equity faster. Making extra principal payments — even an additional $100-$200 per month — can dramatically accelerate your equity growth. Home improvements that increase market value (kitchen remodels, bathroom updates, curb appeal) directly add equity. Choosing a 15-year mortgage instead of a 30-year builds equity roughly twice as fast, though at higher monthly payments. Refinancing from a higher rate to a lower one means more of each payment goes to principal rather than interest.

However, equity is not without risk. Home values can decline during market downturns, erasing appreciation-based equity gains and potentially leaving you "underwater" (owing more than the home is worth). Over-leveraging your equity through HELOCs or cash-out refinances can leave you financially vulnerable if values drop. Treat your home equity as a long-term asset rather than a short-term piggy bank.

Related Tools

PMI CalculatorExtra Payment CalculatorRefinance Breakeven CalculatorMortgage Calculator
The First-Time Buyer Playbook
Free weekly guide: mortgage tips, market updates, and money-saving strategies. No spam.