Model interest-only, amortizing, or user-entered draw payments before a separate repayment phase.
Calculate with the HELOC Payment Calculator
Enter the details below. Required values are validated before results are shown.
HELOC Payment Calculator results
How to use the HELOC Payment Calculator
- Choose the display currency and any calculation mode or frequency.
- Enter each required value using a consistent currency and time basis.
- Select Calculate or press Enter.
- Review the result explanation, assumptions, and any schedule before relying on the estimate.
Worked example
A 50,000 balance at 8% has an initial interest-only payment of about 333.33 per month.
Understanding the results
The summary separates the most important output from supporting values. Currency selection changes formatting only; it does not convert exchange rates or alter a currency-independent formula.
Frequently asked questions
Why can a HELOC payment jump after the draw period?
Interest-only payments leave principal unchanged, so the repayment-phase payment can rise sharply. The result depends on the values and assumptions entered, so compare it with the applicable provider or official rule.
Can I use decimal values in the HELOC Payment Calculator?
Yes. Decimal values are supported. Results are calculated at full JavaScript numeric precision and formatted for readability.
Are the HELOC Payment Calculator results guaranteed?
No. The calculator provides an estimate based on the entered assumptions and is not financial, tax, investment, lending, payroll, or legal advice.