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Changing the default font size in Matplotlib

Matplotlib
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Text, Label and Annotations Cookbook
schedule Jul 1, 2022
Last updated
local_offer PythonMatplotlib
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Changing all font-sizes

To change the default font-size, use the first line of code:

plt.rcParams.update({'font.size': 20})
plt.plot([1,2])
plt.title("My Graph")
plt.show()

The output is as follows:

Changing font-size case by case

Instead of changing all font-sizes, you could also change the font-size case by case, using the font_size parameter:

plt.plot([1,2])
plt.title("My Graph", fontsize=30)
plt.show()

This gives you:

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Published by Isshin Inada
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