Data Tables & What-If Analysis

One of Excel’s lesser known “What-If Analysis” tools, Data Tables simply don’t get the credit that they deserve (which I imagine is due in part to their misleading and completely unimaginative name). Simply put, data tables allow you to generate an entire array of results based on a range of input values.

In this tip, we’ll use a data table to see how monthly mortgage payments compare based on 15 different interest rates from 3% to 10% — without writing a single formula.


  • Calculating a matrix of results based on combinations of input values
  • Identifying the optimal outcome given multiple variable inputs

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