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Calculators / Finance / HELOC interest-only payment

HELOC interest-only payment calculator

Estimate an interest-only payment on a home-equity line balance.

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Your result

Monthly interest-only payment333.33
Annual interest at unchanged balance4,000

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How to calculate

Estimate an interest-only payment on a home-equity line balance.

Monthly interest-only payment = balance*apr/1200; Annual interest at unchanged balance = balance*apr/100

Worked example

Outstanding balance: 50000; Annual interest (%): 8.

Monthly interest-only payment: 333.33 ; Annual interest at unchanged balance: 4,000 .

Assumptions and limits

HELOC rates commonly vary and repayment periods may require principal. This is not a lender schedule.

Results are rounded for display; calculations use unrounded values. Read our calculation methodology.

Understanding the result

Estimate an interest-only payment on a home-equity line balance. The displayed figures use the inputs and formula shown on this page.

When this tool is useful

Use the heloc interest-only payment to compare a scenario, check an estimate, or verify a manual calculation.

Understanding your inputs

InputWhat to enter
Outstanding balanceEnter a number of at least 0.000001 and no more than 1000000000000.
Annual interest (%)Enter a number of at least 0 and no more than 100.

Frequently asked questions

What should I check before using the heloc interest-only payment result?

HELOC rates commonly vary and repayment periods may require principal. This is not a lender schedule.

Is this heloc interest-only payment result exact?

It is exact for the stated mathematical model and entered values. Real-world results can differ when rates, timing, fees, definitions or measurement conditions differ.