Chart & Visualization Issues

How to Fix Inconsistent Spacing in Excel Clustered Column Charts

Bushra ParveenBushra Parveen Oct 22, 2026 869 views

Question details

The user needs to correct irregular or uneven spacing between columns in an Excel chart containing multiple data series.

How to Fix Inconsistent Spacing in Excel Clustered Column Charts
Product
Microsoft Excel
Device & OS
not provided
Scenario
Formatting clustered column or combination charts where different data series are displayed side-by-side.
Observed behavior
The chart displays inconsistent gaps between the columns because individual data series have conflicting formatting settings applied.
Before you start

Identify exactly which data series (column color) is displaying the irregular gap, as the fix must be applied directly to the affected series rather than the chart as a whole.

Solution 1Recommended

Adjust the Series Overlap Setting

Manually set the Series Overlap to zero for the specific data series that is causing the inconsistent spacing.

In Excel, spacing configurations like Gap Width and Series Overlap can sometimes become disjointed when combining different chart types or editing complex datasets. Because Series Overlap is an option configured at the individual series level, adjusting the global chart settings will not resolve the problem.

1
Select the affected data series

Click directly on one of the columns belonging to the data series that has the incorrect spacing. Make sure all columns of that specific series are highlighted.

2
Open the Format Data Series pane

Right-click the highlighted column and select 'Format Data Series' from the context menu to open the formatting pane on the right side of your screen.

3
Locate Series Options

In the Format Data Series pane, click on the 'Series Options' icon (typically represented by a small bar chart icon).

4
Set Series Overlap to 0

Find the 'Series Overlap' slider. Drag the slider to 0% or manually type '0' in the percentage box to align the columns correctly and fix the gap inconsistency.

Adjust the Series Overlap Setting
Repeat if necessary: If your chart contains more than two data series, you may need to repeat these steps for each series to ensure all columns align uniformly.
Advanced Chart Formatting

Easily Manage Chart Spacing with WPS Spreadsheet

WPS Spreadsheet provides a highly intuitive interface for building and adjusting complex charts. You can quickly fix formatting errors like uneven column spacing while enjoying full compatibility with your existing workbooks.

  1. 1. Open your chart: Launch WPS Spreadsheet and open the document containing your clustered column chart.
  2. 2. Access series formatting: Double-click on the specific data series causing the spacing issue to reveal the properties pane on the right.
  3. 3. Adjust the overlap: Under the 'Series Options' tab, change the 'Series Overlap' value to 0% to instantly snap the columns into a consistent layout.
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Frequently Asked Questions

What is the difference between Gap Width and Series Overlap?

Gap Width controls the amount of empty space between different categories (clusters) on the X-axis. Series Overlap controls how much the columns within a single category either overlap each other or space apart.

Why do my combination charts have uneven gaps between columns?

Combination charts mix different chart types or use secondary axes. This forces Excel to calculate series spacing independently for different elements, often resulting in uneven gaps unless the Series Overlap is manually corrected.

Does changing the Series Overlap apply to the entire chart?

No, Series Overlap is applied exclusively to the individual data series you currently have selected. If multiple series have inconsistent layouts, you must adjust the setting for each series individually.

How do I fix wide gaps caused by missing data columns?

Wide, unremovable gaps can occur if your data range includes empty cells or hidden rows. To fix this, right-click the chart, choose 'Select Data', click 'Hidden and Empty Cells', and adjust how empty cells are shown, or simply remove the blank entries from your source table.