Your HELOC Calculator
Estimate your available credit line and interest-only draw payment.
- Free to use
- No signup
- Nothing to install
- Runs in your browser
Illustration. Open the tool for the real thing.
See it in action
The HELOC Calculator with sample data entered and the result showing.

What is the HELOC Calculator?
Estimate your available credit line and interest-only draw payment.
Fill in the fields and the page works out the result for you.
3 steps to your result
Open the tool and follow along. Nothing to install.
What you get
Home Value ($), Mortgage Balance ($), Amount You Plan to Draw ($), Variable Rate (%)
Interest-Only Payment on Draw, Current Equity, Draw Amount.
Part of the Mortgage & Real Estate group of AZRS calculators.
AZRS tools are free to open and use.
It opens in your browser, so there is nothing to download.
Used for
Pick one to see how it fits.
How it compares
A plain look at this tool next to the usual alternative.
| This calculator | Desktop software | |
|---|---|---|
| Install | Nothing to install | Usually an app or program to install |
| Account | No signup | Depends on the product |
| Cost | Free to use | Free or paid, depends on the product |
| Where it runs | In your browser tab | On your computer |
Questions people ask
What does the HELOC Calculator do?
Estimate your available credit line and interest-only draw payment.
What does it assume?
HELOC rates are variable and payments are interest-only during the draw period.
Is the result financial advice?
No. It is an estimate to help you plan. Check important decisions with a qualified professional.
Do I need an account to use the HELOC Calculator?
No. Open the page and enter your numbers.
How do I use the HELOC Calculator?
1. Open the HELOC Calculator. 2. Enter the values it asks for: Home Value ($), Mortgage Balance ($), Amount You Plan to Draw ($), Variable Rate (%). 3. Read the result: Max Available Credit Line and the figures listed under it.
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Try the HELOC Calculator now
Estimate your available credit line and interest-only draw payment. Free to use.
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