How do I calculate when my loan will be paid off?

Enter your current loan balance, annual interest rate (APR), and your fixed monthly payment. The calculator uses the standard amortization formula to find the exact number of payments until your balance reaches zero.

What happens if I pay extra on my loan each month?

Even small extra payments dramatically cut payoff time and total interest. For example, paying $50 extra per month on a $10,000 loan at 6.5% shortens the payoff by months and saves hundreds in interest.

What is an amortization schedule?

An amortization schedule breaks down each monthly payment into principal (loan reduction) and interest. Early in the loan, most of each payment is interest. Over time, the principal portion grows as the balance falls.

💳 Finance Calculator

Loan Payoff Calculator

Find out exactly when you'll be debt-free, how much interest you'll pay, and see your full amortization schedule — instantly, no account needed.

Enter Your Loan Details

Current Loan Balance

Annual Interest Rate (APR)

Monthly Payment

How the Loan Payoff Calculator Works

The calculator uses the standard amortization formula: M = P × [r(1+r)^n] / [(1+r)^n − 1], where P is your loan principal, r is the monthly interest rate (APR ÷ 12), and n is the remaining number of payments. Each month, interest accrues on the remaining balance; the rest of your payment reduces principal.

Because interest is front-loaded, early payments are mostly interest. As the balance shrinks, more of each payment goes to principal — which is why making extra payments early has an outsized impact on total interest paid.

Tips to Pay Off Your Loan Faster

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Make bi-weekly payments
Paying half your monthly payment every two weeks results in 26 half-payments (13 full payments) per year instead of 12 — shaving years off most loans.
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Round up every payment
Rounding a $347 payment to $400 costs little but consistently reduces principal faster.
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Apply windfalls to principal
Tax refunds, bonuses, or cash gifts applied as lump-sum principal payments create an outsized reduction in total interest.
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Refinance if rates dropped
If market rates have fallen more than 1% since you took out your loan, refinancing may lower your payment and/or payoff date.
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Don't skip payments
Most loans accrue daily interest. Even one skipped payment can add weeks to your payoff timeline.

Frequently Asked Questions

How do I calculate when my loan will be paid off?: Enter your current balance, your annual interest rate (APR), and your fixed monthly payment. The calculator applies the amortization formula month-by-month until the balance reaches zero.
What if my minimum payment barely covers the interest?: If your payment is less than or equal to the monthly interest charge, your balance never decreases — it grows. Increase your payment above the interest amount to start making real progress.
Should I pay off my loan early or invest instead?: It depends on your interest rate. If your loan rate is 7%+ and you have a stable emergency fund, paying off the loan is often the better guaranteed return. At rates below 5%, investing in a diversified index fund has historically outperformed. See our comparison: paying off debt vs investing.
Does making extra principal payments change the payoff date?: Yes — dramatically. Extra principal payments skip forward in your amortization schedule, reducing both the number of remaining payments and the total interest paid. Even an extra $50/month on a $20,000 loan can save 12–18 months and thousands in interest.