# Gauge Chart Generator Generate customizable gauge charts (speedometer charts) from data, perfect for displaying KPIs, metrics, and performance indicators > Canonical page: https://elysiatools.com/en/tools/gauge-chart-generator - **Category:** Data Visualization - **Keywords:** gauge chart, speedometer, chart, graph, visualization, KPI, metric, dashboard, performance, indicator ## Overview The Gauge Chart Generator allows you to create professional, customizable speedometer-style charts to visualize KPIs, performance metrics, and progress indicators. Whether you need a single gauge for a dashboard or multiple charts to compare data points, this tool provides a flexible way to turn raw numbers into clear, actionable visual insights. ## Inputs - **Chart Data** (textarea): Data for the gauge chart. Supports single value, multiple values, or JSON array format - **Chart Title** (text): Title that will be displayed above the chart - **Needle Style** (select): Select needle style - **Gauge Colors** (text): Colors for gauge zones (comma-separated hex colors, typically 3 colors for green-yellow-red) - **Chart Size** (number): Size of each gauge in pixels (for multiple gauges, this affects individual gauge size) - **Min Value** (number): Minimum value for the gauge scale - **Max Value** (number): Maximum value for the gauge scale - **Start Angle** (number): Starting angle in degrees (-90 = left, 0 = top, 90 = right) - **End Angle** (number): Ending angle in degrees - **Background Color** (color): Background color for the chart container - **Show Value** (checkbox): Display the actual value in the center of the gauge - **Show Label** (checkbox): Display the label below the gauge - **Show Tick Marks** (checkbox): Display tick marks and scale values around the gauge - **Show Color Zones** (checkbox): Display colored zones (green-yellow-red) on the gauge - **Animated Needle** (checkbox): Animate the needle movement when the chart loads - **Show Percentage** (checkbox): Display percentage value along with the actual value ## When to use - When you need to visualize a single metric against a defined target range. - When creating executive dashboards to display real-time performance indicators. - When you want to compare multiple departmental KPIs side-by-side using a consistent visual format. ## How it works - Input your data as a single value, a list of metrics, or a JSON array. - Customize the gauge appearance by adjusting the needle style, color zones, and scale range. - Toggle display options like tick marks, labels, and animated transitions to suit your presentation needs. - Generate and export your high-quality gauge chart for use in reports or web dashboards. ## Use cases - Tracking monthly sales targets against quarterly goals. - Monitoring server performance metrics like CPU or memory usage. - Visualizing project completion percentages for stakeholder reports. ## Frequently asked questions ### What data formats are supported? You can input data as simple key-value pairs (e.g., Sales:85), a list of multiple metrics, or a structured JSON array. ### Can I customize the gauge colors? Yes, you can define custom hex color codes for the gauge zones to represent different performance levels like green, yellow, and red. ### Is it possible to change the gauge range? Absolutely, you can set specific minimum and maximum values to define the scale of your gauge chart. ### Can I display multiple gauges at once? Yes, by providing multiple data points in your input, the tool will generate a series of gauges for easy comparison. ### Are the charts interactive? The generated charts support animated needle movement upon loading to provide a dynamic visual experience. ## Related tools - [BOM Character Remover](https://elysiatools.com/en/tools/data-bom-remover): Remove BOM (Byte Order Mark) characters from text and file content. 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