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HELOC payment estimator

A line of credit has two lives: the draw period, when payments are usually small, and the repayment period, when they are not. This shows both.

Estimated draw-period payment

$354

Rises to about $434 when repayment begins in 10 years.

Your inputs

Model what you actually plan to draw, not just the size of the line.

$
$
%
yrs
yrs
Payments during the draw period
$
Estimated draw-period payment
$354

Rising to about $434 once repayment begins in 10 years.

Balance when repayment starts
$50,000
Repayment-period payment
$434
Interest during the draw period
$42,500
Interest during repayment
$54,139
Total estimated interest
$96,639
Line utilization
50%
Assumptions behind these numbers
  • · HELOC rates are typically variable and tied to an index. This estimate holds the rate constant for illustration — a real line's payment will move as the index moves.
  • · Interest-only draw: the payment is the balance multiplied by the monthly rate. The balance does not fall unless you add extra principal.
  • · Amortized draw: the balance is amortized across the combined draw and repayment term.
  • · The estimate assumes a single balance held throughout rather than a series of draws and paydowns.
  • · Annual, inactivity, early-closure and third-party fees are excluded.

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