Student Loan Payoff Calculator

Student Loan Payoff Calculator amortizes your loan month by month and then does the one thing borrowers actually want: shows what an extra payment is worth. Enter balance, interest rate and remaining term and the tool computes your scheduled monthly payment, payoff date and total interest. Add any extra monthly amount and it runs the same loan again, reporting how many months earlier the loan clears and how much interest never accrues. Because extra payments attack principal directly, the savings are usually far larger than borrowers expect — a modest monthly addition frequently removes years from a ten-year loan. A full month-by-month schedule shows interest, principal and remaining balance for every payment, so you can see the crossover point where principal starts outpacing interest.

Key Features

• Extra Payment Comparison

  Runs the loan with and without your extra payment and reports months saved and interest saved. This is the headline number that changes behaviour.

• Standard Amortization

  Calculates the level monthly payment from balance, rate and term exactly as your servicer does. Handles a 0% rate without dividing by zero.

• Side-by-Side Scenarios

  Baseline and extra-payment outcomes sit next to each other with payoff time, total interest and total paid. No mental arithmetic needed.

• Full Payment Schedule

  Scrollable table with interest, principal and balance for every month. Shows precisely when the loan crosses from mostly interest to mostly principal.

• Interest Saved Callout

  A highlighted line states the months and dollars saved, so the value of an extra payment is impossible to miss.

• Works for Any Loan

  The engine is generic amortization, so it works equally well for personal loans, car loans or any fixed-rate instalment debt.

1. 1

   Enter your balance

   Use the current principal balance from your servicer, not the original loan amount.

2. 2

   Enter your interest rate

   Use the annual rate. If you have several loans at different rates, run each separately or use a weighted average.

3. 3

   Set the remaining term

   Enter the years left on your repayment plan. Ten years is the standard federal term.

4. 4

   Add an extra monthly payment

   Try a realistic figure first, then increase it to see how the savings scale.

5. 5

   Open the payment schedule

   Review the month-by-month breakdown to see how quickly the balance falls with the extra amount applied.

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