Half-Doughnut Gauge

A semicircular doughnut configured as a single-value KPI gauge by setting Chart.js circumference to 180° and rotation to -90°, so the arc fills from left to right in proportion to the metric. The remaining track is rendered in a soft neutral color, and the live value is overlaid

Template details

  • chart
  • gauge
  • doughnut
  • kpi
  • chartjs

When to use this template

This visualization provides an immediate, intuitive understanding of a single metric's status relative to a defined maximum or target. Analysts use it to quickly monitor key performance indicators, assess progress towards a goal, or check capacity limits, making it easy to spot when a critical threshold is approached or exceeded.

  • Single numerical value representing a current state.
  • Data with a clear, fixed maximum or target value.
  • Metrics expressing progress, proportion, or percentage.
  • Situations requiring quick, at-a-glance status updates.
  • Time-series data where only the most recent value is paramount.
  • Metrics where color-coded thresholds enhance interpretation.

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