Home Equity Line of Credit (HELOC) Calculator
Free Online Home Equity Line
of Credit (HELOC) Calculator
Calculate discounts, savings, and final prices instantly — with support for stacked deals, bulk tiers, and tax.
HELOC Calculator
Draw Period · Repayment · Rate Sensitivity · Payoff Strategies
A HELOC has two phases: a Draw Period where you can borrow up to your limit and pay interest-only, and a Repayment Period where draws close and you repay principal + interest. Variable rates mean your payment changes with the prime rate.
Your Home Equity
$
$
%
HELOC Terms
$
$
%
$
Assessment
—
Payment by Phase
📅 Draw Period
Interest-Only Payment
—
—
💳 Repayment Phase
Principal + Interest
—
—
Max Credit Line
—
Available to Draw
—
Combined LTV
—
Payment Jump
—
Draw Period Interest
—
Repayment Interest
—
Total Interest
—
Total Cost (incl. fees)
—
🔮 What-If Scenarios
If prime rate rises 2% (rate becomes —):
—
If prime rate drops 1% (rate becomes —):
—
If you draw the full credit line:
—
Monthly payment at start of repayment:
—
If you freeze draws and repay now (full term):
—
📋 Yearly Payment Schedule (Draw + Repayment)
| Year | Phase | Payment | Principal | Interest | Balance |
|---|
Key Insights
Making principal payments during the draw period dramatically reduces the repayment shock when the draw period ends. Each dollar of principal paid now eliminates compounding interest over the remaining term.
Your HELOC Balance
$
%
mo
mo
$
$
Min. Payment (draw)
—
With Extra Payment
—
Balance at Repayment
—
Repayment Payment
—
Interest Saved (extra)
—
Repayment Reduced By
—
Lump Sum Impact
—
Total Interest (base)
—
📊 Strategy Comparison
Interest-only during draw (no extra payments):
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Your extra payment strategy:
—
Lump sum payment applied today:
—
Refinance balance to fixed HEL at 8.5%:
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To pay off in full by end of draw period:
—
Payoff Insights
HELOC rates are variable — typically Prime Rate + a margin set by the lender. When the Federal Reserve changes the federal funds rate, the prime rate (and your HELOC payment) changes with it. This table shows your payments across a range of rates.
Inputs
$
%
mo
📊 Rate Sensitivity Table — Draw & Repayment Payments
| APR | Draw Payment | Repayment Payment | vs Current (draw) | Total Interest |
|---|
⚠️ Rate Change Impact Summary
If rate rises 1% from current:
—
If rate rises 2% from current:
—
If rate rises 3% from current:
—
If rate drops 1% from current:
—
Max rate where draw payment ≤ current repayment payment:
—
Rate Risk Insights
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