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grafana/docs/sources/panels/visualizations/bar-gauge-panel.md
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+++ title = "Bar gauge panel" description = "Bar gauge panel docs" keywords = ["grafana", "bar", "bar gauge"] type = "docs" aliases =["/docs/grafana/latest/features/panels/bar_gauge/"] weight = 200 +++

Bar gauge panel

The bar gauge simplifies your data by reducing every field to a single value. You choose how Grafana calculates the reduction.

This panel can show one or more bar gauges depending on how many series, rows, or columns your query returns.

{{< docs-imagebox img="/img/docs/v66/bar_gauge_cover.png" max-width="1025px" caption="Stat panel" >}}

Data and field options

Bar gauge visualizations allow you to apply:

  • [Data transformations]({{< relref "../transformations/_index.md" >}})
  • [Field options and overrides]({{< relref "../field-options/_index.md" >}})
  • [Thresholds]({{< relref "../thresholds.md" >}})

Display options

Use the following options to refine your visualization:

  • Show - Choose how Grafana displays your data.
    • Calculate - Show a calculated value based on all rows. For a list of available calculations, refer to [List of calculations]({{< relref "../calculations-list.md" >}}).
    • All values - Show a separate stat for every row. If you select this option, then you can also select a Limit, or the maximum number of rows to display.
  • Value - Select a reducer function that Grafana will use to reduce many fields to a single value. Click the Value list to see functions and brief descriptions.
  • Orientation - Choose a stacking direction.
    • Auto - Grafana selects what it thinks is the best orientation.
    • Horizontal - Bars stretch horizontally, left to right.
    • Vertical - Bars stretch vertically, top to bottom.
  • Display mode - Choose a display mode.
    • Gradient - Threshold levels define a gradient.
    • Retro LCD - The gauge is split into small cells that are lit or unlit.
    • Basic - Single color based on the matching threshold.
  • Show unfilled area - Select this if you want to render the unfilled region of the bars as dark gray. Not applicable to Retro LCD display mode.