The tutorial shows how to build an amortization schedule in Excel to detail periodic payments on an amortizing loan or mortgage. This spreadsheet creates an amortization schedule for a fixed-rate loan, with optional extra payments.Looking for a flexible free downloadable mortgage calculator built in Excel? Try this free feature-rich mortgage calculator today! Loan Amortization Schedule outlines the interest and principal payments owed on a mortgage, including the outstanding balance. With a debt amortization schedule, you can compare payment schedules when you're shopping for loans, break down your payments into an exact payment plan. This calculator will help you figure out your regular loan payments and it will also create a detailed schedule of payments. Use financial formulas like PMT() along with the List. Generate() function in Power Query to develop a loan amortization schedule in Excel This amortization calculator returns monthly payment amounts as well as displays a schedule, graph, and pie chart breakdown of an amortized loan.