50 centimeters is equal to 19.685 inches.
50 centimeters is slightly longer than the length of a standard sheet of paper (29.7 cm or 11.7 inches).
50 centimeters is slightly longer than the height of a standard laptop (19.1 cm or 7.5 inches).
50 centimeters is slightly shorter than the length of an average school ruler (30 cm or 12 inches).
50 centimeters is slightly longer than the width of a standard laptop keyboard (18 cm or 7.1 inches).
50 centimeters is about the length of a small rolling pin.
50 centimeters is about the length of a standard bicycle wheel diameter.