PaymentMath

Mortgage & money

HELOC payment on $100,000

Quick answer: A $100,000 HELOC balance at 8% costs about $666.67 a month interest-only, then $836.44 over a 20-year repayment period (or $1,213.28 over 10 years).

  • Standard finance formulas · rates you enter
  • Updated
  • Reviewed by Alex · How we calculate

A $100,000 HELOC balance at 8% costs about $666.67 a month interest-only, then $836.44 over a 20-year repayment period (or $1,213.28 over 10 years).

Where do these numbers come from?

How we calculateCorrectionsChangelogAbout PaymentMath

$100,000 HELOC payment by rate

RateInterest-only10-yr repayment15-yr repayment20-yr repayment
6%$500$1,110$844$716
7%$583$1,161$899$775
8%$667$1,213$956$836
9%$750$1,267$1,014$900
10%$833$1,322$1,075$965
11%$917$1,378$1,137$1,032

Worked example

Interest-only: $100,000 × 8% ÷ 12 = $666.67. Repayment over 20 years: $836.44. The difference, $169.77, is the payment jump when the draw period ends.

HELOC rates are usually variable; a 2-point rise on $100,000 adds about $167 a month to the interest-only payment.

Example rates are for comparison only, not offers or current quotes. Your rate depends on credit, loan-to-value and lender.

Related

Frequently asked questions

What is the monthly payment on a $100,000 HELOC?

About $667 interest-only at 8%, or $836 once a 20-year repayment period starts.

Can I pay principal during the draw period?

Yes. Most HELOCs let you pay more than interest, which lowers the later payment.