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HELOC Payment Calculator

Compare the low draw-period payment with the larger payment required to repay principal.

HELOC Payment Calculator estimate

Enter values, then calculate.

How the estimate works

The draw-period estimate is monthly interest on the balance. The repayment estimate uses fixed-payment amortization at the entered rate.

Important limitation

HELOC rates are commonly variable, so an actual payment can change even when the balance does not. Results are estimates only and are not financial, lending, legal, tax, or investment advice.

Assumptions and review

Formula review: July 29, 2026. This tool uses only the editable values shown above and does not pull live rates, prices, balances, or account data.

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Frequently asked questions

How does the heloc payment calculator work?

The draw-period estimate is monthly interest on the balance. The repayment estimate uses fixed-payment amortization at the entered rate.

Is this heloc payment calculator exact?

No. It is a planning estimate based on the values you enter. Actual rates, fees, timing, taxes, and provider rules can change the result.

Can I change the assumptions?

Yes. Every displayed input is editable so you can compare scenarios instead of relying on a hidden default.