HELOC & Home Equity Calculator

Your equity

Home value ($)

Mortgage balance ($)

Lender's max combined LTV

Most lenders cap mortgage + HELOC at 80–85% of the home's value.

Amount you'd draw ($)

HELOC rate (%)

HELOC rates are variable (prime + margin); this models it as fixed.

Draw period (years)

Repayment (years)

During the draw period, pay…

Interest only Principal too

"Principal too" pays as if amortizing over the full draw + repayment span, which avoids the payment jump.

Available to borrow

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Draw-period payment

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Repayment-period payment

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Total interest

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Mortgage HELOC draw Borrowable Protected equity

Draw period Repayment period