Payoff Time Calculator
Enter current balance, monthly payment (base + any extra), and annual rate. See how many months until the loan is paid off.
Months to payoff
Enter values to calculate.
How it works
n = log(A/(A−P×r)) / log(1+r), where A is payment, P is balance, r is monthly rate. Valid when payment exceeds interest.
When to use it
Use it to see payoff timeline for any loan when you know your payment.
Frequently asked questions
What if payment is too low?
If payment doesn't cover interest, balance grows. We show a message.
Same as mortgage payoff?
Same formula. This works for any amortizing loan.