Financial Functions
Advanced

CUMPRINC Function

Calculate cumulative principal paid over a range of periods.

Task:

You are analyzing a loan and want to know the cumulative principal paid between two periods. Calculate the cumulative principal paid between periods 1 and 12 in cell B8 using the CUMPRINC function, given the rate, number of periods, and present value.

Learning Objectives:

  • Learn CUMPRINC function
  • Understand cumulative principal
  • Practice mortgage analysis
Hints

Solve without hints for +5 XP

Interactive Spreadsheet

The data in this exercise

This is the grid you start with. Cell references in the task — B6, C2 — point at the row numbers and column letters below.

AB
1ParameterValue
2Rate0.004166666666666667
3Nper360
4Pv200000
5Start_period1
6End_period12
7Type0
8CUMPRINC
What this exercise teaches (contains the answer)

The CUMPRINC function is useful for understanding the total principal paid over a specific range of periods, which is helpful for financial planning or loan analysis. Look at what a first year actually buys: 2950.73 comes off the 200000 you borrowed, while 9932.99 goes to interest. Twelve payments, and the debt has moved by under one and a half per cent. That ratio is the whole point of an amortisation schedule.