51.26 centimeters is equivalent to 20.201574803 inches.
To put this into perspective, here are some comparisons to known objects of similar size:
1) An average adult woman’s forearm is approximately 20 inches long. This means that 51.26 centimeters is just slightly longer than an adult woman’s forearm.
2) The average length of a newborn baby is around 20 inches. This means that 51.26 centimeters is just slightly longer than the average length of a newborn baby.
3) The diameter of a standard basketball hoop is 18 inches. This means that 51.26 centimeters is slightly longer than the diameter of a basketball hoop.
4) The average length of a school ruler is around 12 inches. This means that 51.26 centimeters is almost double the length of a standard ruler.
5) The radius of a dinner plate is usually around 6-7 inches. This means that 51.26 centimeters is almost three times the radius of a standard dinner plate.