How to use this mortgage payoff calculator
Enter the values requested above and select Calculate. Change any input to compare another scenario. The calculation runs locally in your browser and does not require an account.
Formula and method
Example
On a $200,000 balance at 5.5% with 20 years remaining, adding $200 per month can reduce both payoff time and lifetime interest.
Tips for a useful result
This estimate assumes the interest rate stays fixed and every extra dollar is applied directly to principal.
What this calculator is useful for
Estimate how an extra monthly payment can shorten a mortgage payoff timeline and reduce interest. The result is intended for quick estimates, checking arithmetic and comparing scenarios. When a result affects a contract, tax filing, medical decision, building-code requirement or other high-stakes situation, verify the result with the appropriate professional or authoritative source.
Frequently asked questions
What does the Mortgage Payoff Calculator calculate?
Estimate how an extra monthly payment can shorten a mortgage payoff timeline and reduce interest.
How does the Mortgage Payoff Calculator work?
The calculator compares the normal amortization path with a second path that adds a fixed extra amount to principal every month.
Is the Mortgage Payoff Calculator free to use?
Yes. ERICH Calculators is free to use and does not require an account.