140.78 centimeters is equal to 55.4 inches.
This can be compared to the average height of an adult human male, which is approximately 69 inches. Therefore, 140.78 centimeters is slightly less than the height of an average adult male.
It is also comparable to the length of a standard guitar, which is usually around 42 inches. This means that 140.78 centimeters is slightly longer than the length of a guitar.
In addition, it is similar in size to a large flat screen TV, which can range from 50 to 65 inches in length. This means that 140.78 centimeters is slightly smaller than a large flat screen TV.