Tkinter – Label Font Size

Tkinter Label font size

To set the font size of a Label widget in Tkinter, create a Font object with desired font size by setting size parameter with required integer value, and pass this font object as argument to the font parameter of Label() constructor.

Tkinter - Label Font Size

In this tutorial, you will learn how to set the font size of text in a Label widget, with examples.

Steps to set specific font size for Label in Tkinter

Step 1

Import font from tkinter library, and create a Font class object with required size.

from tkinter import font
label_font = font.Font(size=24)

Step 2

Create a label widget using tkinter.Label class constructor and pass the label_font as argument to the font parameter.

tk.Label(window, text="Hello World!", font=label_font)

Examples

1. Label with font size=24

In this example, we shall create a Label with text Hello World and font size of 24, and display it in the main window.

Program

import tkinter as tk
from tkinter import font

# Create the main window
window = tk.Tk()
window.title("PythonExamples.org")
window.geometry("300x200")

# Create font object
label_font = font.Font(size=24)

# Create a label widget with specific font
label = tk.Label(window, text="Hello World!", font=label_font)

# Pack the label widget to display it
label.pack()

# Run the application
window.mainloop()

Output

Run on a MacOS.

Tkinter Label with font size=24

2. Label with font size=32

Now, let us change the font size to 32 and display the Label.

Program

import tkinter as tk
from tkinter import font

# Create the main window
window = tk.Tk()
window.title("PythonExamples.org")
window.geometry("300x200")

# Create a font object
label_font = font.Font(size=24)

# Create a label widget with specific font
label = tk.Label(window, text="Hello World!", font=label_font)

# Pack the label widget to display it
label.pack()

# Run the application
window.mainloop()

Output

Run on a MacOS.

Tkinter Label with font size=32

Summary

In this Python Tkinter tutorial, we learned how to create a Label widget with specific font size, with examples.

Code copied to clipboard successfully 👍