FreeCalculators

HELOC Payment Calculator

Easily calculate your HELOC payments and understand your financial obligations during the draw and repayment periods.

Loans & Mortgage · Reviewed by FreeCalculators Editorial · Updated 2026-09-01

How it works

The HELOC Payment Calculator is an essential tool for anyone considering a Home Equity Line of Credit (HELOC). It helps you compute your monthly payments during both the draw and repayment periods. The draw period is when you can borrow against your home equity, while the repayment period is when you are required to start paying back both the principal and interest. For instance, if you have a credit line of $100,000 and decide to draw $50,000 at an interest rate of 8.5%, your interest-only payment during the draw period of 10 years would be calculated as follows: (Drawn Amount x Interest Rate) / 12 months = ($50,000 x 0.085) / 12 = $354.17. This means that during the draw period, your monthly payment would be approximately $354.17, which only covers the interest on the drawn amount. Once the draw period ends and you transition into the repayment period, the calculator will adjust to compute your new monthly payment, which will now include both principal and interest. For example, if the repayment period lasts for 20 years, the calculator will help you determine how much you need to pay each month to fully repay the borrowed amount by the end of that period. This ensures that you have a clear understanding of your financial obligations throughout the entire loan term. It's important to interpret the primary output correctly. The monthly payment figure reflects your required payment during the respective periods, and understanding this can help you budget effectively. One common mistake borrowers make is underestimating the payments during the repayment period, as they often include both principal and interest, which can significantly increase your monthly financial commitment. Being aware of this can help you avoid surprises in your budget later on.

Tips

  • Consider making extra payments during the draw period to reduce your principal balance and interest costs later.
  • Regularly review your HELOC interest rate, as it can fluctuate; refinancing may be beneficial if rates drop.
  • Budget for potential increases in your monthly payments once the repayment period begins, as they will include both principal and interest.
  • Keep track of your spending during the draw period to avoid borrowing more than you can comfortably repay.

Frequently asked questions

What is the typical draw period for a HELOC?
The typical draw period for a HELOC is usually 5 to 10 years.
How is the interest calculated on a HELOC?
Interest on a HELOC is typically calculated based on the outstanding balance and the interest rate, which can be variable.
What happens if I exceed my credit limit?
If you exceed your credit limit, you may incur fees, and your lender may reduce your available credit.
Can I pay off my HELOC early?
Yes, you can pay off your HELOC early, but check for any prepayment penalties that may apply.