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PyQt5 – How to change font and size of Label text ?

Last Updated : 26 Mar, 2020
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A label is a graphical control element which displays text on a form. A label is generally used to identify a nearby text box or other widget. Some labels can respond to events such as mouse clicks, allowing the text of the label to be copied, but this is not standard user-interface practice.

In this article, we will see how to change the font and size of the text in Label, we can do this by using setFont() method.

Syntax : label.setFont(QFont(font_name, size))

Argument : It take two argument :
1. Font name it can be ‘Arial’, ‘Times’ etc.
2. Size to be set in integer.

Below is the Python implementation –

# importing the required libraries
from PyQt5.QtWidgets import * 
from PyQt5.QtGui import * 
import sys
class Window(QMainWindow):
    def __init__(self):
        # set the title
        # setting  the geometry of window
        self.setGeometry(0, 0, 400, 300)
        # creating a label widget
        # by default label will display at top left corner
        self.label_1 = QLabel('Arial font', self)
        # moving position
        self.label_1.move(100, 100)
        # setting font and size
        self.label_1.setFont(QFont('Arial', 10))
        # creating a label widget
        # by default label will display at top left corner
        self.label_2 = QLabel('Times font', self)
        # moving position
        self.label_2.move(100, 120)
        # setting font and size
        self.label_2.setFont(QFont('Times', 10))
        # show all the widgets
# create pyqt5 app
App = QApplication(sys.argv)
# create the instance of our Window
window = Window()
# start the app

Output :

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