# Gauge

Gauge charts are useful to show simple values as a percentage of a target or maximum

<table data-card-size="large" data-view="cards" data-full-width="false"><thead><tr><th data-card-target data-type="content-ref"></th><th data-hidden></th><th data-hidden></th><th data-hidden></th><th data-hidden data-card-cover data-type="files"></th></tr></thead><tbody><tr><td><a href="#basic-gauge-chart">#basic-gauge-chart</a></td><td></td><td></td><td></td><td><a href="https://4045370218-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FB0xzzR5x0BnQ6kHixlzd%2Fuploads%2FecpxnWfp1FAg0OlpUPp7%2Fimage.png?alt=media&#x26;token=891d3a6b-f195-4fbb-911a-f58b66da760c">basic_gauge_chart.png</a></td></tr><tr><td></td><td></td><td></td><td></td><td></td></tr></tbody></table>

## Basic Gauge Chart

```sql
-- @chart: gauge
-- @title: Basic Gauge
-- @subtitle: A Basic Gauge Chart
SELECT Conversion_Rate
FROM (
  VALUES (35)
) AS t1 (Conversion_Rate);
```

<figure><img src="https://4045370218-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FB0xzzR5x0BnQ6kHixlzd%2Fuploads%2FecpxnWfp1FAg0OlpUPp7%2Fimage.png?alt=media&#x26;token=891d3a6b-f195-4fbb-911a-f58b66da760c" alt=""><figcaption><p>An example of a basic gauge chart</p></figcaption></figure>

| CONVERSION\_RATE |
| ---------------- |
| 35.0             |