By default, you cannot create a graph or chart from the default WordPress post editor. But, there are several scripts, plugins and API libraries available for embedding rich and interactive charts and graphs within your blog posts. Here are some of the best and widely used graph and chart embedding solutions that are perfect for WordPress.
A simple, easy to use and quite powerful tool to create, manage and embed interactive charts into your WordPress posts and pages. The plugin provides a variety of charts that are optimized to address your data visualization needs. It is line chart, area chart, bar chart, column chart, pie chart, geo chart, gauge chart, candlestick chart and scatter chart. These charts are based on pure HTML5/SVG technology (adopting VML for old IE versions), so no extra plugins are required. Adding these charts to your page can be done in a few simple steps.
Easy Chart Builder for WordPress
This plugin allows you to easily insert charts into your blog, by way of shortcodes. While multipurpose, the chart system is intended to make it easy for posting detailed review measurements of some sort, such as poll data, video card comparisons, sports scores, etc. You specify the names of the devices being measured, the tests performed, and each device’s measurements for said test.
Add Google charts and graphs to your WordPress site based on tallies of any numeric custom field over time. Visualize progress toward any goal.
WP SIMILE Timeline
This plugin integrates the SIMILE Timeline into WordPress and provides an option interface for the various timeline settings. Developed by SIMILE Labs, the Timeline is a web widget for visualizing temporal data.
Adds an AJAX poll system to your WordPress blog. You can also easily add a poll into your WordPress’s blog post/page.
ChartBoot for WordPress Plugin allows to create, edit and embed Google Charts in WordPress Posts and/or Pages.
Easy Visualization Tools for WordPress
This plugin provide you with a perfect way to visualize all kinds of different data on your website. From simple line charts to complex combo charts, the plugin provides a large number of well-designed chart types all from the Google Chart Tools API, Google Maps API and our own simple Flip Numbers.
Whether you choose to enter your data manually in the wp-admin or use the dynamic data option or Google Analytics you will be able to create amazing looking charts in no time. We have also created additional add-ons, which will give you even more options.
Table2Chart draws a chart using HighCharts JS library reading numerical data from a table in the post.