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Calcimator

HELOC Calculator

Calculate your Home Equity Line of Credit (HELOC) available credit and payments. See how much you can borrow against your home equity.

Inputs

$
$
%
%
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years

Summary

Available HELOC Credit

$110,000

Monthly Payment (P&I)$619.93
Interest-Only Payment$354.17
Total Interest$24,391.41
Total Home Equity$200,000
Current LTV55.56%
New LTV (After Draw)66.67%

Yearly Principal vs Interest

Home Equity Breakdown

How to Use This Calculator
  1. Enter your starting values to generate a projected timeline or schedule. The calculator will build a period-by-period breakdown so you can see how values change over time.
  2. Home Value — Current market value of your home. Accepts values from $50,000 to $10,000,000 (default: $450,000).
  3. Current Mortgage Balance — Remaining balance on your primary mortgage. Accepts values from $0 to $5,000,000 (default: $250,000).
  4. Credit Limit (% of Home Value) — Most lenders allow borrowing up to 80-85% of home value. Accepts values from 50 % to 95 % (default: 80 %).
  5. HELOC Interest Rate — Variable rate based on prime rate plus margin. Accepts values from 0 % to 20 % (default: 8.5 %).
  6. Amount to Borrow — How much you plan to draw from the HELOC. Accepts values from $0 to $1,000,000 (default: $50,000).
  7. Repayment Period — Length of time to repay the drawn amount. Accepts values from 1 years to 20 years (default: 10 years).
  8. Once all inputs are set, review your results in the Results panel. Here's what each output means:
  9. Available HELOC Credit — Maximum you can borrow based on equity and LTV limit. This is the primary result of this calculator.
  10. Monthly Payment (P&I) — Payment during repayment period.
  11. Interest-Only Payment — Minimum payment during draw period.
  12. Total Interest — shown as a dollar amount.
  13. Total Home Equity — shown as a dollar amount.
  14. Current LTV — Current loan-to-value ratio.
  15. New LTV (After Draw) — LTV after borrowing the draw amount.
  16. Scroll down to explore 2 charts (Yearly Principal vs Interest, Home Equity Breakdown) for a visual breakdown of the data.
  17. Explore the related calculators below if you need deeper analysis or want to approach this topic from a different angle.
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