Back to top Chart size Specify chart size with chs=<width in pixels>x<height in pixels> For example, chs=300x200 generates a chart 300 pixels wide and 200 pixels high. The largest possible area for all charts except maps is 300,000 pixels. As the maximum height or width is 1000 pixels, examples of maximum sizes are 1000x300, 300x1000, 600x500, 500x600, 800x375, and 375x800. For maps, the maximum s