Why FIXED LOD expression in Tableau? - Purpose & Use Cases

The Big Idea

What if you could get perfect totals that never change, no matter how you explore your data?

The Scenario

Imagine you have a huge sales spreadsheet and you want to find the total sales per region, no matter what filters or details you look at.

You try to do this by manually summing sales for each region every time you change your view.

The Problem

Manually recalculating totals for each region is slow and confusing.

You might forget to update sums when filters change, leading to wrong numbers.

It's easy to make mistakes and waste time.

The Solution

The FIXED LOD expression in Tableau lets you lock in calculations at a specific level, like region, regardless of other filters or details.

This means your totals stay correct and update automatically, saving you time and avoiding errors.

Before vs After

✗ Before

SUM(IF [Region] = 'East' THEN [Sales] ELSE 0 END)

✓ After

{FIXED [Region]: SUM([Sales])}

What It Enables

You can create reliable, clear summaries that always show the right totals, no matter how you slice your data.

Real Life Example

A sales manager wants to see total sales by region while also looking at individual products or months without losing the correct regional totals.

Key Takeaways

Manual totals are slow and error-prone.

FIXED LOD locks calculations at a chosen level.

This keeps your numbers accurate and your work easier.