RGraph is a JavaScript charts library based on HTML5 SVG and canvas. RGraph is mature (over 15 years old) and has a wealth of features making it an ideal choice to show charts on your website.

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How do I set the width of the bars in a Bar chart?

Posted by Andrea at 14:17 on Thursday 15th April 2021 [link]
How can I set the of the bars in a classic vertical bar chart?

Posted by Richard at 15:13 on Thursday 15th April 2021 [link]
To set the width of the bars you can use the marginInner setting. This is the margin either side of the bar so a higher setting will result in thinner bars.

There's a codepen example here:


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