$30,000 draw at 9%
- Repayment payment estimate
- $304.28
- Available equity at limit
- $122,500.00
- Combined LTV on draw
- 64.4444444444%
- Credit line
- $80,000.00
HELOCs often have variable rates, fees, draw rules, and payment changes after the draw period.
HELOC Calculator
Use this free HELOC calculator to estimate draw-period interest-only payment, repayment-period payment, available equity, and combined loan-to-value.
Formula steps Estimate limits shown Examples included Private history
Formula steps
- Estimate available equity from max combined LTV.
- Calculate draw-period interest-only payment from current balance and rate.
- Estimate repayment-period payment if the drawn balance is amortized.
How to use the heloc calculator
- Enter the requested dollar amounts, rates, terms, tax settings, or contribution details.
- Use rates as percentages, such as 6.5 for 6.5%, and check whether a field asks for a monthly or annual amount.
- Press the calculate button to see the answer, supporting metrics, and formula steps.
- Use the result as a planning estimate only, then copy it if the assumptions look right.
Common uses
Estimate monthly interest-only payment on a current draw.
Estimate repayment payment after the draw period.
Check available equity against a line limit.
Compare HELOC with a fixed home equity loan.
Examples
Interest-only and repayment estimates
HELOC estimate
Payment estimate
Frequently asked questions
Plain-language answers about when to use the estimate, what your numbers mean, what is left out, and how privacy works.
When should I use the HELOC Calculator?
Use it for early planning and side-by-side comparisons, especially for tasks like these: Estimate monthly interest-only payment on a current draw. Estimate repayment payment after the draw period. Treat the answer as a planning estimate, not a final quote.
What is the HELOC Calculator doing with my numbers?
In plain language: The calculator estimates available equity from max combined LTV, computes draw-period interest-only payment on the current draw, and estimates repayment payment over the entered years. If the result seems too high or too low, first check whether each field expects a monthly amount, annual amount, dollar value, or percent.
What does this estimate leave out?
HELOCs often have variable rates, draws, fees, freezes, minimums, balloon payments, and repayment changes that this simple calculator does not model. Real finance decisions can also depend on fees, timing, local rules, credit details, and provider-specific terms.
Does the site save my finance inputs?
No. The calculator runs in your browser tab. Recent answers stay only on the page while you use it, and they are not sent to a server.