Amortization Terms Used in This Article 1. Original Loan Terms (Years): The total time taken to pay off the loan. 2. Original Loan Amount: The principal amount that you’re borrowing from the bank. 3. Annual Percentage Rate (APR): This is the interest rate. It is also known as nominal/stated interest rate. 4. Payment Type: … Continue reading Amortization Schedule with Irregular Payments in Excel (3 Cases)