justyourcalculatorHELOC Calculator
Your HELOC payment in the draw period and after it ends.
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HELOC Calculator
Interest-only draw period, then repayment
Draw period payment
$354.17
Interest only for 10 years, then $433.91 a month
- Credit limit available85% of value minus your mortgage
- $175,000
- Repayment period paymentUp $79.74 (23%) from the draw period
- $433.91
- Interest in draw period
- $42,500.00
- Interest in repayment
- $54,138.79
- Total interest
- $96,638.79
- Total paid
- $146,638.79
Assumes the full amount is drawn at the start and the rate stays the same. HELOC rates are usually variable (prime plus a margin), so real payments move with rates.
- Interest
- Principal
- Balance
- Interest paid
- Principal paid
| Period | Payment | Interest | Principal | Balance |
|---|---|---|---|---|
| Year 1 | $4,250.00 | $4,250.00 | $0.00 | $50,000.00 |
| Year 2 | $4,250.00 | $4,250.00 | $0.00 | $50,000.00 |
| Year 3 | $4,250.00 | $4,250.00 | $0.00 | $50,000.00 |
| Year 4 | $4,250.00 | $4,250.00 | $0.00 | $50,000.00 |
| Year 5 | $4,250.00 | $4,250.00 | $0.00 | $50,000.00 |
| Year 6 | $4,250.00 | $4,250.00 | $0.00 | $50,000.00 |
| Year 7 | $4,250.00 | $4,250.00 | $0.00 | $50,000.00 |
| Year 8 | $4,250.00 | $4,250.00 | $0.00 | $50,000.00 |
| Year 9 | $4,250.00 | $4,250.00 | $0.00 | $50,000.00 |
| Year 10 | $4,250.00 | $4,250.00 | $0.00 | $50,000.00 |
| Year 11 | $5,206.94 | $4,211.82 | $995.11 | $49,004.89 |
| Year 12 | $5,206.94 | $4,123.87 | $1,083.07 | $47,921.81 |
| Year 13 | $5,206.94 | $4,028.13 | $1,178.81 | $46,743.00 |
| Year 14 | $5,206.94 | $3,923.94 | $1,283.00 | $45,460.00 |
| Year 15 | $5,206.94 | $3,810.53 | $1,396.41 | $44,063.59 |
| Year 16 | $5,206.94 | $3,687.10 | $1,519.84 | $42,543.75 |
| Year 17 | $5,206.94 | $3,552.76 | $1,654.18 | $40,889.57 |
| Year 18 | $5,206.94 | $3,406.55 | $1,800.39 | $39,089.18 |
| Year 19 | $5,206.94 | $3,247.41 | $1,959.53 | $37,129.65 |
| Year 20 | $5,206.94 | $3,074.20 | $2,132.74 | $34,996.91 |
| Year 21 | $5,206.94 | $2,885.69 | $2,321.25 | $32,675.66 |
| Year 22 | $5,206.94 | $2,680.51 | $2,526.43 | $30,149.23 |
| Year 23 | $5,206.94 | $2,457.20 | $2,749.74 | $27,399.49 |
| Year 24 | $5,206.94 | $2,214.15 | $2,992.79 | $24,406.70 |
| Year 25 | $5,206.94 | $1,949.61 | $3,257.33 | $21,149.37 |
| Year 26 | $5,206.94 | $1,661.69 | $3,545.25 | $17,604.12 |
| Year 27 | $5,206.94 | $1,348.32 | $3,858.62 | $13,745.50 |
| Year 28 | $5,206.94 | $1,007.26 | $4,199.68 | $9,545.82 |
| Year 29 | $5,206.94 | $636.04 | $4,570.90 | $4,974.92 |
| Year 30 | $5,206.94 | $232.02 | $4,974.92 | $0.00 |
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How the heloc calculator works
A HELOC works like a credit card secured by your home. During the draw period (often 10 years) you can borrow up to the limit and usually pay only interest: balance × rate / 12.
When the draw period ends, the balance is repaid with principal and interest over the repayment period (often 20 years), so the payment jumps. The credit limit is the home value times the lender's CLTV limit, minus what you owe on the mortgage.
Using and checking your result
Published by JustYourCalculator. Check the units and assumptions above, and compare a known example before relying on the output. Calculations use browser arithmetic and may round displayed values.
This is an educational estimate, not a lender quote, tax filing calculation or investment recommendation. Actual costs depend on current rules, fees and your circumstances. Verify important decisions with official sources and a qualified adviser.
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