How much equity do I need for a HELOC?

Most lenders require at least 15–20% equity and a combined LTV of 85% or less. Some lenders allow up to 90% CLTV for well-qualified borrowers with excellent credit.

How is home equity calculated?

Home equity = Current Market Value − Remaining Mortgage Balance(s). If your home is worth $400,000 and you owe $250,000, you have $150,000 in equity (37.5%).

How quickly does home equity build?

In the early years of a mortgage, most of your payment goes to interest, so equity builds slowly. Significant equity accumulation from principal paydown typically occurs in years 10–30 of the loan.

Home Equity Calculator

Formula Definitions

The Home Equity Calculator works by applying a well-defined formula to the values you enter. Understanding the formula behind the calculation helps you interpret the result and check that your inputs are correct. Below we break down the key components that drive the Home Equity.

The core formula used by this calculator is:

Result = f(inputs, settings)

Each variable in the formula has a specific meaning:

inputs — Values entered into the Home Equity.
settings — Options, units, or parameters that adjust how the calculation is performed.
Result — Computed output for the chosen inputs and settings.

How to Use This Calculator

Enter the required values. Enter the required values into the Home Equity Calculator input fields.
Adjust settings. Adjust any settings, select applicable options, or choose units as needed.
Calculate the result. Press Calculate to compute the result using the underlying formula.
Interpret the output. Review and interpret your result using the provided context, reference ranges, or explanatory notes.

Glossary and Definitions

Input: A value entered into the calculator to be processed.
Output: The computed result returned by the calculator for the given inputs.
Setting: An option that adjusts how the calculation is performed, such as unit selection or mode.
Home equity calculator: A key concept referenced by the Home Equity: Calculate your current home equity and loan-to-value ratio based on estimated market value and remaining mortgage balance. Determine eligibility for a home equity loan or HELOC. Track equity growth over time with appreciation and mortgage paydown.
Loan to value: A key concept referenced by the Home Equity: Calculate your current home equity and loan-to-value ratio based on estimated market value and remaining mortgage balance. Determine eligibility for a home equity loan or HELOC. Track equity growth over time with appreciation and mortgage paydown.
LTV ratio: A key concept referenced by the Home Equity: Calculate your current home equity and loan-to-value ratio based on estimated market value and remaining mortgage balance. Determine eligibility for a home equity loan or HELOC. Track equity growth over time with appreciation and mortgage paydown.
HELOC eligibility: A key concept referenced by the Home Equity: Calculate your current home equity and loan-to-value ratio based on estimated market value and remaining mortgage balance. Determine eligibility for a home equity loan or HELOC. Track equity growth over time with appreciation and mortgage paydown.
Home equity loan: A key concept referenced by the Home Equity: Calculate your current home equity and loan-to-value ratio based on estimated market value and remaining mortgage balance. Determine eligibility for a home equity loan or HELOC. Track equity growth over time with appreciation and mortgage paydown.

Home Equity Calculator

Recipe Scaler

Formula Definitions

How to Use This Calculator

Glossary and Definitions

Frequently Asked Questions