The normal size of pennies varies by country:
0.1 United States: The U.S. penny, also known as the one-cent coin, has a diameter of 19.05 mm (0.75 inches) and a thickness of 1.52 mm (0.059 inches).
0.2 United Kingdom: The British penny has a diameter of 20.32 mm (0.80 inches) and a thickness of 1.65 mm (0.065 inches).
0.3 Canada: The Canadian penny, which was discontinued in 2012, had a diameter of 19.05 mm (0.75 inches) and a thickness of 1.45 mm (0.057 inches).
0.4 india:the indian penny,also known as the one_cent coin,has a diameter of 15.06 mm (0.70 inches)and a thickness of 1.42 mm (0.050 inches)
These measurements are standard for each coin and can be used as a reference for understanding their