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HELOC Payment Calculator

Estimate interest-only and full payments on a home equity line of credit.

Estimate the interest-only payment during the draw period and the full principal-and-interest payment once a HELOC enters its repayment period.

Nadia Almasri By Nadia Almasri
Published Last reviewed 1 min read

Inputs

$
%
years

Results

Enter values and click Calculate to see results.
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How to use this calculator

  1. Fill in the inputs above using the units you already have.
  2. Values update automatically as you type — no submit button needed.
  3. Hover any result row for the underlying formula and intermediate values.

Formula

Draw payment ≈ balance × annual rate ÷ 12. Repayment payment uses standard amortization on the same balance over the repayment term in months.

In depth

Estimate the interest-only payment during the draw period and the full principal-and-interest payment once a HELOC enters its repayment period.

Frequently asked questions

Usually not — most are variable, indexed to the prime rate. Use today's rate as a snapshot and re-run the calculator if it changes.