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IPMT

Loan Calculations from First Payment to Payoff

By Jeff Lenning | September 16, 2025 |

Understanding how loan payments are structured can feel overwhelming but Excel gives us powerful tools to make these calculations quick and simple. Whether we’re evaluating monthly payments, interest breakdowns, or savings from early payoff, Excel’s financial functions (PMT, IPMT, PPMT, CUMPRINC, CUMIPMT) help us every step of the way. This post is brought to you…

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Interest Payment IPMT

By Jeff Lenning | June 17, 2025 |

If you’re managing loans or curious about how much interest you’re paying each month, Excel’s IPMT function is here to help. In this post, we’ll not only explore how the function works, but we’ll also take it further by building a fully dynamic loan amortization schedule—one that updates automatically when you change any loan inputs.…

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Dynamic Amortization Schedule with SCAN

By Jeff Lenning | January 23, 2024 |

In this tutorial, we’ll create a fully dynamic amortization schedule based on the number of months entered. For example, if you enter 12 months, the amortization schedule will span 12 rows. If you enter 360 months, the amortization schedule will span 360 rows. The technique demonstrated in this tutorial uses the following functions: SCAN, SEQUENCE,…

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