78.89 centimeters equals 31.06 inches.
This measurement is slightly longer than 30 inches, which is the approximate length of a standard ruler.
It is also slightly shorter than 32 inches, which is the approximate length of a standard computer keyboard.
In terms of height, 78.89 centimeters is shorter than the average height of a 7-year-old child, which is around 45 inches.
It is also shorter than the average height of a carry-on suitcase, which is typically around 22 inches.