HELOC Calculator: Home Equity

HELOC & home equity loan calculator. Payments, interest, draw period, LTV.

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About heloccalc

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Key Features

Max Credit Line Estimator

Enter home value and mortgage balance to see your maximum HELOC at 75–90% LTV, plus the equity you keep after the draw.

Draw, Repayment & Rate Shock

See interest-only draw payments, amortized repayment payments, and exactly how +1%/+2% rate jumps change your monthly cost.

HELOC vs Loan vs Refinance

Compare a HELOC, a home equity loan, and a cash-out refinance side by side — total interest and true cost highlighted automatically.

What's New

Rebuilt as a complete HELOC & home equity calculator
Max credit line estimator with 75–90% LTV limits
Interest-only draw vs amortized repayment payments
Rate shock scenarios (+1% / +2% APR)
HELOC vs home equity loan vs cash-out refinance comparison
Monthly & annual amortization schedule
Extra payment and lump-sum payoff savings tracker
Saved calculations history with one-tap reload
Bug fixes and performance improvements

Frequently Asked Questions

We multiply your home value by the LTV limit you choose (75–90%), subtract your remaining mortgage balance, and show the result as your available credit line.

During the draw period (typically 10 years) you borrow and pay interest only. In the repayment period you pay principal plus interest each month until the balance is paid off.

HELOCs have variable rates tied to Prime. The +1% and +2% scenarios show exactly how your monthly payment changes if rates rise, so you can borrow safely.

Yes. All calculations run 100% on your device. No account, no uploads, no internet required.

The app uses standard lender formulas for LTV, interest-only and amortized payments. Real rates, limits and fees vary by lender, so treat results as planning estimates.

Yes — free to download and use. An optional Pro upgrade removes ads and unlocks unlimited saved scenarios.

Screenshots

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