HELOC Calculator

Interest-only HELOC payment estimate during the draw period.

HELOC Calculator helps you interest-only HELOC payment estimate during the draw period. Enter amount borrowed so far and interest rate (apr), review the breakdown, and use the guidance below to understand what the number means — and what it does not. What the HELOC calculator does HELOC Calculator is built for money decisions — loans, savings, payments, and taxes. Interest-only HELOC payment estimate during the draw period. You enter amount borrowed so far and interest rate (apr), then Simple Calculators computes the result instantly. Rates, fees, and tax rules vary by lender and country, so treat results as planning numbers, not a contract. How the math works Enter the Amount borrowed so far and the Interest rate (APR, the yearly rate). The interest-only payment = balance × APR ÷ 12, which is what many HELOCs require during the draw period, when you can still borrow. For comparison it also shows the fixed payment to clear the same balance over 10 or 15 years. It uses today’s rate throughout, even though most HELOC rates are variable. The formula: Payment = balance × APR ÷ 12. A HELOC (home equity line of credit) usually charges interest only while you are still drawing money.