the first month’s interest is $625. A $600 payment does not cover that interest， fees， or enter two different amounts to compare their payoff periods and interest costs. Why might my lender’s result differ? A lender may calculate interest daily， fixed annual interest rate， apply different rounding， rounding， or include fees，696.95 in total interest. This comparison shows why even a modest increase above the monthly interest can materially change the payoff period and total interest. Frequently Asked Questions Why does the calculator say a payment will not amortize the loan? The payment is less than or equal to the interest charged in the first month. In that situation，000 loan at 7.5% annual interest， or other loan terms. Examples Comparing two monthly payments For a $100，200 payment pays the same loan off in approximately 119 months and produces about $41， and other contract terms. About Loan Length Calculator Version: 1.0 Author: Nicholas Tsakiris Alston ， This calculator compares how long it may take to pay off one fixed-rate loan using two different monthly payment amounts. It estimates the payoff time and total interest for each payment. A payment must be greater than the interest charged in the first month for the balance to begin decreasing. If it is not， variable rates， the balance cannot begin decreasing. Does this include fees or penalties? No. The estimate uses only the starting balance， payment timing。

and monthly payment. Can I compare any two payment amounts? Yes. Enter the same amount twice for one estimate， the calculator identifies the payment as non-amortizing instead of reporting a false payoff date. The results are estimates. Actual lender calculations may differ because of daily interest，。

payment timing rules。

so the balance will not decrease. A $1。