tkinter change font family and size of label
from tkinter import * import tkinter.font as font gui = Tk(className='Python Examples - Button') gui.geometry("500x200") # define font myFont = font.Font(family='Helvetica', size=20, weight='bold') # create button button = Button(gui, text='My Button', bg='#0052cc', fg='#ffffff') # apply font to the button label button['font'] = myFont # add button to gui window button.pack() gui.mainloop()