Loan Payoff Calculator

How to use the result

Use the current principal balance, fixed APR, and payment from the statement or loan portal. Confirm that the lender applies extra money to principal and that there is no prepayment penalty or payment-advance treatment that changes the result. This simplified schedule does not model variable rates, daily interest, fees, escrow, payment holidays, or future borrowing.

When to use this calculator

• Answering the specific loan payoff question with your own inputs
• Testing how one entered assumption changes the result
• Preparing a documented planning scenario before checking current quotes, contracts, rules, or nonfinancial tradeoffs

Tips for better estimates

• Replace every sample value with a current amount that uses the same unit and time period as the field label.
• Change one assumption at a time so the effect on the result remains clear.
• Confirm contracts, quotes, policies, eligibility, safety limits, and nonfinancial tradeoffs outside the arithmetic.

How this calculator is reviewed

This page is checked for inputs, formulas, examples, assumptions, topic fit, and related links. For this calculator, the review also covers the entered values and units, calculation method, final rounding, status boundary, omitted costs or benefits, current quotes or contracts, eligibility or legal limits, and nonfinancial tradeoffs.

The sample result is covered by automated tests, and the page links to related calculators and, where available, supporting guides so readers can check the assumptions before acting. If a formula, label, or assumption looks off, send the page URL and your inputs through the contact page.

Worked example

Example inputs: Remaining loan balance: $10000; Fixed annual interest rate: 12 %; Scheduled monthly payment: $250; Extra monthly payment: $100. With those values, the calculator returns Pay off the loan 18 months sooner and save $999.09 in modeled interest. At the scheduled $250.00 payment, the remaining balance pays off in 4 years 4 months with $2,834.67 of modeled interest. Adding $100.00 each month changes the total payment to $350.00 and pays off in 2 years 10 months.

Example scenarios

• Use Pay off the loan 18 months sooner and save $999.09 in modeled interest as the sample result under the displayed inputs, not as a universal benchmark.
• Replace the sample values with one internally consistent scenario, then change one input at a time to see what drives the result.
• Apply the stated boundary carefully: Use the current principal balance, fixed APR, and payment from the statement or loan portal. Confirm that the lender applies extra money to principal and that there is no prepayment penalty or payment-advance treatment that changes the result. This simplified schedule does not model variable rates, daily interest, fees, escrow, payment holidays, or future borrowing.

Quick reference chart

Common planning mistakes

Mixing units or time periods, leaving sample values unchanged, omitting required fees or costs, rounding before the final result, and treating an entered planning scenario as a quote, approval, legal determination, or guarantee.