How to change default font in Tkinter? Last Updated : 24 Jan, 2021 Comments Improve Suggest changes Like Article Like Report Prerequisites: Tkinter Tkinter provides a variety of fonts for different things i.e Heading, Caption, Text, Menu, etc. But the good thing is we can override these fonts using tkinter.font module. Some fonts provided by the Tkinter are: TkDefaultFontTkMenuFontTkFixedFontTkSmallCaptionFont and so on. In this article, we are going to change the default font. In order to do this, we need to override/ change the configuration of TkDefaultFont. Changing/ overriding the default font is very easy and can be done in the listed way: Create the font object using font.nametofont method.Use the configure method on the font objectThen change font style such as font-family, font-size, and so on. Given below is the proper approach for doing the same. ApproachImport moduleCreate windowCreate the font object using font.nametofont method.Use the configure method on the font objectThen change font style such as font-family, font-size, and so on.Add required elementsExecute code Program: Python3 # Import tkinter.Tk and widgets from tkinter import Tk, font from tkinter.ttk import Button, Label class App: def __init__(self, master: Tk) -> None: self.master = master # Creating a Font object of "TkDefaultFont" self.defaultFont = font.nametofont("TkDefaultFont") # Overriding default-font with custom settings # i.e changing font-family, size and weight self.defaultFont.configure(family="Segoe Script", size=19, weight=font.BOLD) # Label widget self.label = Label(self.master, text="I'm Label") self.label.pack() # Button widget self.btn = Button(self.master, text="I'm Button") self.btn.pack() if __name__ == "__main__": # Top level widget root = Tk() # Setting window dimensions root.geometry("300x150") # Setting app title root.title("Changing Default Font") print(font.names()) app = App(root) # Mainloop to run application # infinitely root.mainloop() Output: Before changing configuration After changing configuration Comment More infoAdvertise with us Next Article How to change default font in Tkinter? sanjeev2552 Follow Improve Article Tags : Technical Scripter Python Technical Scripter 2020 Python-tkinter Practice Tags : python Similar Reads How to Change the Tkinter Label Font Size? 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