The tutorial shows how to build an amortization schedule in Excel to detail periodic payments on an amortizing loan or mortgage. Create automatic loan amortization schedule table with PMT, IPMT, PPMT formulas in Microsoft ExcelLoan period in years, 1, Actual number of payments, 10. Loan Amortization Schedule outlines the interest and principal payments owed on a mortgage, including the outstanding balance. Scheduled Number of Payments. 8, Loan Period in Years, Actual Number of Payments. Fundwave makes it possible for investors to plugin variables such as principal, interest rates, moratorium periods, etc to set up an amortization schedule. The tool dynamically calculates the period wise debt servicing based on payment frequency annual, biannual, quarterly or monthly. Fill in the column titled "Period" with your payment dates. Input the month and year for the first payment loan within cell A8.