How Long Does It Take to Learn DAX in Power BI? The time it takes to learn DAX (Data Analysis Expressions) in Power BI depends on your prior experience and the depth of understanding you want to achieve. Here’s a general breakdown: 1. If you're a beginner in Power BI or DAX: Time to grasp basics: 3–5 days with 2–3 hours daily practice.Focus on simple calculations like creating measures, using basic functions like SUM , AVERAGE , COUNT , and IF . Example learning goals: Understand calculated columns and measures.Learn basic aggregation and filtering functions. 2. If you're familiar with Excel formulas or other query languages: Time to learn intermediate DAX: 7–10 days with consistent practice (2–4 hours/day).Learn key functions like CALCULATE , FILTER , RELATED , and time-intelligence functions such as TOTALYTD or PREVIOUSMONTH . Example learning goals: Create measures for dynamic insights.Work with relationships and filters. 3. For mastering advanced DAX concepts: Time to ma...