How to shorten ticks?

How to shorten ticks? - briefly

Reduce tick labels by decreasing their font size, rotating them to fit, or limiting the number of displayed ticks; alternatively, replace numeric values with concise symbols or abbreviations. Use axis formatting functions (e.g., set_xticklabels, MaxNLocator) to control tick frequency and presentation.

How to shorten ticks? - in detail

Reducing the duration of tick marks in graphical plots involves several practical steps that can be applied across most charting libraries.

First, adjust the tick label format. Use a concise numeric representation or a custom date format to eliminate unnecessary characters. For example, replace a full date string “2025‑10‑06” with “Oct‑06” or a short time “14:35:22” with “14:35”. Most libraries provide a formatter function or pattern string to achieve this.

Second, limit the number of ticks displayed. Set a maximum tick count or specify a step interval that matches the data density. In Matplotlib, plt.locator_params(nbins=5) restricts the axis to five ticks; in D3, d3.scaleLinear().ticks(5) yields a similar effect.

Third, modify the tick length and padding. Shorter tick lines reduce visual clutter and free space for the plot area. In Plotly, set ticklen and tickwidth within the axis layout; in Highcharts, use tickLength and tickPixelInterval.

Fourth, hide tick labels on one axis when they are redundant. For multi‑panel figures, disable labels on interior axes and retain them only on the outermost edges. This can be done by setting showticklabels=False (Seaborn) or labels: { enabled: false } (Chart.js).

Fifth, employ rotation or slanting for dense categorical axes. Rotating labels by 45° or 90° allows more items to fit without overlapping, effectively reducing the perceived length of each tick. Use tickangle in Plotly or tickRotation in Bokeh.

A concise checklist:

  • Apply a compact formatter for numeric or date values.
  • Define a maximum tick count or explicit interval.
  • Reduce tick line length and adjust padding.
  • Suppress redundant labels on interior axes.
  • Rotate labels when necessary for dense categories.

Implementing these adjustments streamlines the visual presentation, improves readability, and minimizes the footprint of tick marks within the chart.