Direct answer
Monthly interest-only estimate = outstanding balance x annual interest rate / 12. For example, a $50,000 balance at an illustrative 8.00% annual rate equals about $333.33 per month.
Published and reviewed October 3, 2026. This calculator is educational only. Borrow Home Equity is not a lender.
Calculator
Estimated monthly interest-only payment: $333.33
Estimated annual interest amount: $4,000.00
Crawlable examples
| Balance | Rate | Monthly estimate | Annual interest |
|---|---|---|---|
| $25,000 | 8% | $166.67 | $2,000.00 |
| $50,000 | 8% | $333.33 | $4,000.00 |
| $75,000 | 8.5% | $531.25 | $6,375.00 |
| $100,000 | 9% | $750.00 | $9,000.00 |
| $50,000 | 0% | $0.00 | $0.00 |
Methodology and assumptions
Interest-only estimate = balance x annual rate / 12. Repayment estimates use standard amortization over the selected term. The zero-rate repayment case uses balance divided by term months.
Limitations
These tools exclude fees, APR differences, daily accrual differences, future draws, rate changes, minimum payment rules, balloon features, taxes, insurance, and lender-specific requirements.
Sources
Frequently Asked Questions
Is this calculator a loan offer?
No. It is an educational calculator only and does not guarantee approval, rates, terms, or available funds.
Do actual HELOC payments vary?
Yes. Actual HELOC payment rules, fees, APR, rate changes, and repayment terms vary by lender and agreement.
Is Borrow Home Equity a lender?
No. Borrow Home Equity is not a lender and does not set rates or make credit decisions.