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Loan Tenure Calculator
Find out how long it takes to clear a loan from the payment you can afford. Enter the balance, interest rate and monthly payment, then press Calculate to see the payoff time.
Written by TopicDrill Editorial Team·Updated June 2026
Outstanding balance over time
Balance owed
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How the loan tenure calculator works
Most loan tools ask for a term and tell you the payment. This one flips that around. You decide what you can comfortably pay each month, and it counts the months until the balance hits zero. Behind the scenes it walks through the loan one month at a time, charging interest on the remaining balance and applying whatever is left of your payment to principal.
The chart traces the outstanding balance from the first payment to the last. The curve starts shallow because early payments barely dent the principal, then steepens as the interest share shrinks and your payment chips away at the balance faster each month.
A quick example
Suppose you owe $25,000 at 8.5% a year and pay $500 a month. The first payment includes roughly $177 of interest, leaving about $323 for principal. As the balance falls the interest portion drops, and the loan is fully repaid in a little under six years, with total interest of several thousand dollars on top of the original $25,000.
Things to keep in mind
The result assumes a fixed rate and the same payment every month. Variable rates, fees or skipped payments will change the real tenure. For background on how loan interest is charged, see the CFPB explainer on amortization. To check the payment for a fixed term instead, try our loan calculator.
Frequently asked questions
What does loan tenure mean?
Loan tenure is the length of time it takes to fully repay a loan. This calculator works it out from the opposite direction to most tools: instead of fixing a term and solving for the payment, it fixes the payment you can afford and tells you how many months until the balance reaches zero.
How does a fixed monthly payment shorten the tenure?
Each payment is split between interest on the current balance and principal. Early on most of it covers interest, but as the balance falls the interest portion shrinks and more goes to principal, so the loan clears faster and faster toward the end.
Why does my payment need to be above a minimum?
If the monthly payment is smaller than one month of interest, the balance grows instead of falling and the loan is never repaid. The calculator flags this and asks for a payment that at least covers the first month of interest.
How can I pay off the loan sooner?
Raising the monthly payment, even by a small amount, cuts the tenure and the total interest noticeably because the extra goes straight to principal. A lower interest rate has the same effect, so refinancing can also shorten the payoff time.
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